XTERM man page on Hurd

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XTERM(1)			X Window System			      XTERM(1)

NAME
       xterm - terminal emulator for X

SYNOPSIS
       xterm [-toolkitoption ...] [-option ...] [shell]

DESCRIPTION
       The  xterm  program is a terminal emulator for the X Window System.  It
       provides DEC VT102/VT220 and selected features from higher-level termi‐
       nals  such  as  VT320/VT420/VT520  (VTxxx).  It also provides Tektronix
       4014 emulation for programs that cannot use the window system directly.
       If the underlying operating system supports terminal resizing capabili‐
       ties (for example, the SIGWINCH signal in systems derived from 4.3bsd),
       xterm  will use the facilities to notify programs running in the window
       whenever it is resized.

       The VTxxx and Tektronix 4014 terminals each have their  own  window  so
       that  you can edit text in one and look at graphics in the other at the
       same time.  To maintain the correct aspect ratio	 (height/width),  Tek‐
       tronix  graphics	 will  be  restricted to the largest box with a 4014's
       aspect ratio that will fit in the window.  This box is located  in  the
       upper left area of the window.

       Although both windows may be displayed at the same time, one of them is
       considered the “active” window for receiving keyboard input and	termi‐
       nal  output.   This  is	the window that contains the text cursor.  The
       active window can be chosen through escape sequences, the “VT  Options”
       menu  in	 the VTxxx window, and the “Tek Options” menu in the 4014 win‐
       dow.

EMULATIONS
       The VT102 emulation is fairly complete, but does	 not  support  autore‐
       peat.   Double-size  characters	are  displayed	properly  if your font
       server supports scalable fonts.	The VT220 emulation does  not  support
       soft  fonts,  it	 is  otherwise complete.  Termcap(5) entries that work
       with xterm  include  an	optional  platform-specific  entry  (“xterm”),
       “xterm”,	 “vt102”,  “vt100”,  “ansi”  and  “dumb”.  xterm automatically
       searches the termcap file in this order for these entries and then sets
       the  “TERM”  and the “TERMCAP” environment variables.  You may also use
       “vt220”,	 but must set the terminal emulation level with the  decTermi‐
       nalID  resource.	  (The	“TERMCAP”  environment	variable is not set if
       xterm is linked against a terminfo library, since the requisite	infor‐
       mation is not provided by the termcap emulation of terminfo libraries).

       Many  of	 the special xterm features may be modified under program con‐
       trol through a set of escape  sequences	different  from	 the  standard
       VT102 escape sequences.	(See the Xterm Control Sequences document.)

       The  Tektronix  4014 emulation is also fairly good.  It supports 12-bit
       graphics addressing, scaled to the window size.	 Four  different  font
       sizes and five different lines types are supported.  There is no write-
       through or defocused mode support.  The	Tektronix  text	 and  graphics
       commands	 are recorded internally by xterm and may be written to a file
       by sending the COPY escape sequence (or through the Tektronix menu; see
       below).	 The name of the file will be “COPYyyyy-MM-dd.hh:mm:ss”, where
       yyyy, MM, dd, hh, mm and ss are the year, month, day, hour, minute  and
       second  when  the COPY was performed (the file is created in the direc‐
       tory xterm is started in, or the home directory for a login xterm).

       Not all of the features described in this manual are necessarily avail‐
       able  in	 this version of xterm.	 Some (e.g., the non-VT220 extensions)
       are available only if they were compiled in, though the most  commonly-
       used are in the default configuration.

OTHER FEATURES
       Xterm  automatically highlights the text cursor when the pointer enters
       the window (selected) and unhighlights it when the pointer  leaves  the
       window  (unselected).  If the window is the focus window, then the text
       cursor is highlighted no matter where the pointer is.

       In VT102 mode, there are escape sequences to activate and deactivate an
       alternate  screen buffer, which is the same size as the display area of
       the window.  When activated, the current screen is saved	 and  replaced
       with the alternate screen.  Saving of lines scrolled off the top of the
       window is disabled until the normal screen is restored.	The termcap(5)
       entry  for xterm allows the visual editor vi(1) to switch to the alter‐
       nate screen for editing and to restore the screen  on  exit.   A	 popup
       menu  entry  makes it simple to switch between the normal and alternate
       screens for cut and paste.

       In either VT102 or Tektronix mode, there are escape sequences to change
       the name of the windows.	 Additionally, in VT102 mode, xterm implements
       the window-manipulation control sequences from dtterm, such as resizing
       the window, setting its location on the screen.

       Xterm allows character-based applications to receive mouse events (cur‐
       rently button-press and release events, and  button-motion  events)  as
       keyboard control sequences.  See Xterm Control Sequences for details.

OPTIONS
       The xterm terminal emulator accepts the standard X Toolkit command line
       options as well as many application-specific options.   If  the	option
       begins  with  a	`+'  instead  of  a `-', the option is restored to its
       default value.  The -version and -help options are interpreted even  if
       xterm  cannot open the display, and are useful for testing and configu‐
       ration scripts.	Along with  -class,  they  are	checked	 before	 other
       options.

       -version
	       This  causes  xterm  to	print a version number to the standard
	       output, and then exit.

       -help   This causes xterm to print out a verbose message describing its
	       options,	 one per line.	The message is written to the standard
	       output.	After printing the message, xterm exits.  Xterm gener‐
	       ates this message, sorting it and noting whether a “-option” or
	       a “+option” turns the feature on or off,	 since	some  features
	       historically  have  been	 one  or the other.  Xterm generates a
	       concise help  message  (multiple	 options  per  line)  when  an
	       unknown option is used, e.g.,

		   xterm -z

       If  the	logic  for a particular option such as logging is not compiled
       into xterm, the help text for that option also is not displayed by  the
       -help option.

       One parameter (after all options) may be given.	That overrides xterm's
       built-in choice of shell program.   Normally  xterm  checks  the	 SHELL
       variable.   If  that  is	 not set, xterm tries to use the shell program
       specified in the password  file.	  If  that  is	not  set,  xterm  uses
       /bin/sh.	 If the parameter is not a relative path, i.e., beginning with
       “./” or “../”, xterm looks for the file in the user's PATH.  In	either
       case,  it  constructs  an  absolute path.  The -e option cannot be used
       with this parameter since it uses all parameters following the option.

       The other options are used to control the appearance and behavior.  Not
       all options are necessarily configured into your copy of xterm:

       -132    Normally,  the  VT102  DECCOLM  escape  sequence	 that switches
	       between 80 and 132 column mode is ignored.  This option	causes
	       the  DECCOLM  escape  sequence  to be recognized, and the xterm
	       window will resize appropriately.

       -ah     This option indicates that xterm should	always	highlight  the
	       text cursor.  By default, xterm will display a hollow text cur‐
	       sor whenever the focus is lost or the pointer leaves  the  win‐
	       dow.

       +ah     This  option  indicates	that xterm should do text cursor high‐
	       lighting based on focus.

       -ai     This option disables active icon support if  that  feature  was
	       compiled	 into  xterm.  This is equivalent to setting the vt100
	       resource activeIcon to “false”.

       +ai     This option enables active icon support	if  that  feature  was
	       compiled	 into  xterm.  This is equivalent to setting the vt100
	       resource activeIcon to “true”.

       -aw     This option indicates that auto-wraparound should  be  allowed.
	       This  allows  the cursor to automatically wrap to the beginning
	       of the next line when it is at the rightmost position of a line
	       and text is output.

       +aw     This  option  indicates	that  auto-wraparound  should  not  be
	       allowed.

       -b number
	       This option specifies the size of the inner  border  (the  dis‐
	       tance  between  the outer edge of the characters and the window
	       border) in pixels.  That is the vt100 internalBorder  resource.
	       The default is “2”.

       +bc     turn  off text cursor blinking.	This overrides the cursorBlink
	       resource.

       -bc     turn on text cursor blinking.  This overrides  the  cursorBlink
	       resource.

       -bcf milliseconds
	       set the amount of time text cursor is off when blinking via the
	       cursorOffTime resource.

       -bcn milliseconds
	       set the amount of time text cursor is on when blinking via  the
	       cursorOffTime resource.

       -bdc    Set  the	 vt100	resource colorBDMode to “false”, disabling the
	       display of characters with bold attribute as color

       +bdc    Set the vt100 resource colorBDMode to “true”, enabling the dis‐
	       play  of	 characters  with  bold attribute as color rather than
	       bold

       -cb     Set the vt100 resource cutToBeginningOfLine to “false”.

       +cb     Set the vt100 resource cutToBeginningOfLine to “true”.

       -cc characterclassrange:value[,...]
	       This sets classes indicated by the given ranges	for  using  in
	       selecting  by  words.   See  the	 section  specifying character
	       classes.	 and discussion of the charClass resource.

       -cjk_width
	       Set the cjkWidth resource to “true”.  When turned  on,  charac‐
	       ters  with  East	 Asian Ambiguous (A) category in UTR 11 have a
	       column width of 2.  Otherwise, they have a column width	of  1.
	       This may be useful for some legacy CJK text terminal-based pro‐
	       grams assuming box drawings and others to have a	 column	 width
	       of  2.  It also should be turned on when you specify a TrueType
	       CJK double-width (bi-width/monospace) font either with  -fa  at
	       the command line or faceName resource.  The default is “false”

       +cjk_width
	       Reset the cjkWidth resource.

       -class string
	       This  option  allows  you  to  override xterm's resource class.
	       Normally it is “XTerm”, but can be set to another class such as
	       “UXTerm” to override selected resources.

       -cm     This  option  disables  recognition of ANSI color-change escape
	       sequences.  It sets the colorMode resource to “false”.

       +cm     This option enables recognition	of  ANSI  color-change	escape
	       sequences.  This is the same as the vt100 resource colorMode.

       -cn     This  option indicates that newlines should not be cut in line-
	       mode selections.	 It sets the cutNewline resource to “false”.

       +cn     This option indicates that newlines should be cut in  line-mode
	       selections.  It sets the cutNewline resource to “true”.

       -cr color
	       This  option  specifies	the color to use for text cursor.  The
	       default is to use the same foreground color that	 is  used  for
	       text.  It sets the cursorColor resource according to the param‐
	       eter.

       -cu     This option indicates that xterm should work around  a  bug  in
	       the more(1) program that causes it to incorrectly display lines
	       that are exactly the width of the window and are followed by  a
	       line beginning with a tab (the leading tabs are not displayed).
	       This option is so named because it was originally thought to be
	       a bug in the curses(3x) cursor motion package.

       +cu     This  option  indicates	that  xterm should not work around the
	       more(1) bug mentioned above.

       -dc     This option disables the escape sequence to change dynamic col‐
	       ors:  the vt100 foreground and background colors, its text cur‐
	       sor color, the pointer cursor foreground and background colors,
	       the  Tektronix  emulator	 foreground and background colors, its
	       text cursor color and highlight color.	The  option  sets  the
	       dynamicColors option to “false”.

       +dc     This  option enables the escape sequence to change dynamic col‐
	       ors.  The option sets the dynamicColors option to “true”.

       -e program [ arguments ... ]
	       This option specifies the program (and its command  line	 argu‐
	       ments)  to be run in the xterm window.  It also sets the window
	       title and icon name to be the basename  of  the	program	 being
	       executed	 if  neither  -T nor -n are given on the command line.
	       This must be the last option on the command line.

       -en encoding
	       This option determines the encoding on which  xterm  runs.   It
	       sets  the locale resource.  Encodings other than UTF-8 are sup‐
	       ported by using luit.  The -lc option should be used instead of
	       -en for systems with locale support.

       -fb font
	       This  option  specifies	a font to be used when displaying bold
	       text.  It sets the boldFont resource.

	       This font must be the same height and width as the normal font,
	       otherwise  it  is  ignored.   If only one of the normal or bold
	       fonts is specified, it will be used as the normal font and  the
	       bold font will be produced by overstriking this font.

	       See   also   the	 discussion  of	 boldMode  and	alwaysBoldMode
	       resources.

       -fa pattern
	       This option sets	 the  pattern  for  fonts  selected  from  the
	       FreeType	 library if support for that library was compiled into
	       xterm.  This corresponds to the faceName resource.  When a  CJK
	       double-width  font  is  specified, you also need to turn on the
	       cjkWidth resource.

	       See also the renderFont resource, which combines with  this  to
	       determine whether FreeType fonts are initially active.

       -fbb    This option indicates that xterm should compare normal and bold
	       fonts bounding boxes to ensure they are	compatible.   It  sets
	       the freeBoldBox resource to “false”.

       +fbb    This  option indicates that xterm should not compare normal and
	       bold fonts bounding boxes to ensure they	 are  compatible.   It
	       sets the freeBoldBox resource to “true”.

       -fbx    This  option  indicates	that  xterm should not assume that the
	       normal and bold fonts have VT100 line-drawing  characters.   If
	       any  are	 missing, xterm will draw the characters directly.  It
	       sets the forceBoxChars resource to “false”.

       +fbx    This option indicates that xterm should assume that the	normal
	       and bold fonts have VT100 line-drawing characters.  It sets the
	       forceBoxChars resource to “true”.

       -fd pattern
	       This option sets the pattern for	 double-width  fonts  selected
	       from  the FreeType library if support for that library was com‐
	       piled into xterm.  This corresponds to  the  faceNameDoublesize
	       resource.

       -fi font
	       This  option sets the font for active icons if that feature was
	       compiled into xterm.

	       See also the discussion of the iconFont resource.

       -fs size
	       This option sets the pointsize  for  fonts  selected  from  the
	       FreeType	 library if support for that library was compiled into
	       xterm.  This corresponds to the faceSize resource.

       -fullscreen
	       This option indicates that xterm should ask the window  manager
	       to let it use the full-screen for display, e.g., without window
	       decorations.  It sets the fullscreen resource to “true”.

       +fullscreen
	       This option indicates that xterm should not ask the window man‐
	       ager  to	 let  it use the full-screen for display.  It sets the
	       fullscreen resource to “false”.

       -fw font
	       This option specifies the font to be used for  displaying  wide
	       text.   By default, it will attempt to use a font twice as wide
	       as the font that will be used to draw normal text.  If no  dou‐
	       ble-width  font	is found, it will improvise, by stretching the
	       normal font.  This corresponds to the wideFont resource.

       -fwb font
	       This option specifies the font to be used for  displaying  bold
	       wide  text.  By default, it will attempt to use a font twice as
	       wide as the font that will be used to draw bold	text.	If  no
	       double-width  font  is  found, it will improvise, by stretching
	       the bold font.  This corresponds to the wideBoldFont resource.

       -fx font
	       This option specifies the font to be used  for  displaying  the
	       preedit string in the “OverTheSpot” input method.

	       See also the discussion of the ximFont resource.

       -hc color
	       (see -selbg).

       -hf     This  option indicates that HP Function Key escape codes should
	       be generated for function keys.	 It  sets  the	hpFunctionKeys
	       resource to “true”.

       +hf     This  option indicates that HP Function Key escape codes should
	       not be generated for function keys.  It sets the hpFunctionKeys
	       resource to “false”.

       -hm     Tells  xterm  to	 use  highlightTextColor and highlightColor to
	       override the reversed foreground/background colors in a	selec‐
	       tion.  It sets the highlightColorMode resource to “true”.

       +hm     Tells xterm not to use highlightTextColor and highlightColor to
	       override the reversed foreground/background colors in a	selec‐
	       tion.  It sets the highlightColorMode resource to “false”.

       -hold   Turn  on	 the  hold  resource, i.e., xterm will not immediately
	       destroy its window when the shell command completes.   It  will
	       wait  until you use the window manager to destroy/kill the win‐
	       dow, or if you use the menu entries that send a	signal,	 e.g.,
	       HUP or KILL.

       +hold   Turn  off  the  hold  resource,	i.e.,  xterm  will immediately
	       destroy its window when the shell command completes.

       -ie     Turn on the ptyInitialErase resource, i.e., use the pseudo-ter‐
	       minal's sense of the stty erase value.

       +ie     Turn off the ptyInitialErase resource, i.e., set the stty erase
	       value using the kb string from the termcap entry	 as  a	refer‐
	       ence, if available.

       -im     Turn  on the useInsertMode resource, which forces use of insert
	       mode by adding appropriate entries to the  TERMCAP  environment
	       variable.

       +im     Turn off the useInsertMode resource.

       -into windowId
	       Given an X window identifier (an integer, which can be hexadec‐
	       imal, octal or decimal according	 to  whether  it  begins  with
	       "0x",  "0" or neither), xterm will reparent its top-level shell
	       widget to that window.  This is	used  to  embed	 xterm	within
	       other applications.

	       For instance, there are scripts for Tcl/Tk and Gtk which can be
	       used to demonstrate the feature.	 When using Gtk,  there	 is  a
	       limitation   of	 that  toolkit	which  requires	 that  xterm's
	       allowSendEvents resource is enabled.

       -j      This option indicates that xterm should do jump scrolling.   It
	       corresponds  to	the  jumpScroll	 resource.   Normally, text is
	       scrolled one line at a time; this option allows xterm  to  move
	       multiple	 lines	at  a  time  so	 that  it does not fall as far
	       behind.	Its use is strongly recommended since it  makes	 xterm
	       much  faster  when scanning through large amounts of text.  The
	       VT100 escape sequences for enabling and disabling smooth scroll
	       as  well as the “VT Options” menu can be used to turn this fea‐
	       ture on or off.

       +j      This option indicates that xterm should not do jump scrolling.

       -k8     This  option  sets   the	  allowC1Printable   resource.	  When
	       allowC1Printable is set, xterm overrides the mapping of C1 con‐
	       trol characters (code 128-159) to treat them as printable.

       +k8     This option resets the allowC1Printable resource.

       -kt keyboardtype
	       This option sets the keyboardType  resource.   Possible	values
	       include:	 “unknown”,  “default”, “hp”, “sco”, “sun”, “tcap” and
	       “vt220”.

	       The value “unknown”, causes the corresponding  resource	to  be
	       ignored.

	       The   value  “default”,	suppresses  the	 associated  resources
	       hpFunctionKeys, scoFunctionKeys, sunFunctionKeys, tcapFunction‐
	       Keys and sunKeyboard, using the Sun/PC keyboard layout.

       -l      Turn  logging  on.   Normally  logging is not supported, due to
	       security concerns.  Some versions of  xterm  may	 have  logging
	       enabled.	  The  logfile	is written to the directory from which
	       xterm is invoked.  The filename is generated, of the form

		    XtermLog.XXXXXX

	       or

		    Xterm.log.hostname.yyyy.mm.dd.hh.mm.ss.XXXXXX

	       depending on how xterm was built.

       +l      Turn logging off.

       -lc     Turn on support of various encodings according  to  the	users'
	       locale  setting,	 i.e.,	LC_ALL,	 LC_CTYPE, or LANG environment
	       variables.  This is achieved by turning on UTF-8	 mode  and  by
	       invoking	 luit  for  conversion	between	 locale	 encodings and
	       UTF-8.  (luit is not invoked in UTF-8  locales.)	  This	corre‐
	       sponds to the locale resource.

	       The  actual list of encodings which are supported is determined
	       by luit.	 Consult the luit manual page for further details.

	       See also the discussion of the -u8 option which supports	 UTF-8
	       locales.

       +lc     Turn  off  support  of automatic selection of locale encodings.
	       Conventional 8bit mode or, in UTF-8 locales or with -u8 option,
	       UTF-8 mode will be used.

       -lcc path
	       File  name  for the encoding converter from/to locale encodings
	       and UTF-8 which is used with -lc	 option	 or  locale  resource.
	       This corresponds to the localeFilter resource.

       -leftbar
	       Force  scrollbar to the left side of VT100 screen.  This is the
	       default, unless you have set the rightScrollBar resource.

       -lf filename
	       Specify the log-filename.  See the -l option.

       -ls     This option indicates that the shell that  is  started  in  the
	       xterm  window  will be a login shell (i.e., the first character
	       of argv[0] will be a dash, indicating  to  the  shell  that  it
	       should read the user's .login or .profile).

	       The  -ls	 flag and the loginShell resource are ignored if -e is
	       also given, because xterm does not know how to make  the	 shell
	       start  the  given  command  after whatever it does when it is a
	       login shell - the user's shell of choice need not be  a	Bourne
	       shell  after all.  Also, xterm -e is supposed to provide a con‐
	       sistent functionality for other applications that need to start
	       text-mode  programs  in	a  window,  and if loginShell were not
	       ignored, the result of ~/.profile might interfere with that.

	       If you do want the effect of -ls and -e simultaneously, you may
	       get away with something like

		   xterm -e /bin/bash -l -c "my command here"

	       Finally,	 -ls  is  not completely ignored, because xterm -ls -e
	       does write a /var/log/wtmp entry	 (if  configured  to  do  so),
	       whereas xterm -e does not.

       -maximized
	       This  option indicates that xterm should ask the window manager
	       to maximize its layout on startup.   This  corresponds  to  the
	       maximized resource.

	       Maximizing  is not the reverse of iconifying; it is possible to
	       do both with certain window managers.

       +maximized
	       This option indicates that xterm should ask the window  manager
	       to not maximize its layout on startup.

       +ls     This option indicates that the shell that is started should not
	       be a login shell (i.e., it will be a normal “subshell”).

       -mb     This option indicates that xterm should ring a margin bell when
	       the user types near the right end of a line.

       +mb     This option indicates that margin bell should not be rung.

       -mc milliseconds
	       This  option  specifies	the  maximum  time between multi-click
	       selections.

       -mesg   Turn off the messages resource, i.e., disallow write access  to
	       the terminal.

       +mesg   Turn  on the messages resource, i.e., allow write access to the
	       terminal.

       -mk_width
	       Set the mkWidth resource to “true”.  This  makes	 xterm	use  a
	       built-in	 version of the wide-character width calculation.  The
	       default is “false”

       +mk_width
	       Reset the mkWidth resource.

       -ms color
	       This option specifies the color to be used for the pointer cur‐
	       sor.   The  default  is to use the foreground color.  This sets
	       the pointerColor resource.

       -nb number
	       This option specifies the number of characters from  the	 right
	       end  of a line at which the margin bell, if enabled, will ring.
	       The default is “10”.

       -nul    This option disables the display of underlining.

       +nul    This option enables the display of underlining.

       -pc     This option enables the PC-style use of bold colors (see	 bold‐
	       Colors resource).

       +pc     This option disables the PC-style use of bold colors.

       -pob    This option indicates that the window should be raised whenever
	       a Control-G is received.

       +pob    This option indicates that the  window  should  not  be	raised
	       whenever a Control-G is received.

       -report-fonts
	       Print a report to the standard output showing information about
	       fonts which are loaded.	This corresponds  to  the  reportFonts
	       resource.

       -rightbar
	       Force scrollbar to the right side of VT100 screen.

       -rvc    This  option  disables  the  display of characters with reverse
	       attribute as color.

       +rvc    This option enables the	display	 of  characters	 with  reverse
	       attribute as color.

       -rw     This   option   indicates  that	reverse-wraparound  should  be
	       allowed.	 This allows the cursor to back up from	 the  leftmost
	       column  of  one	line  to  the rightmost column of the previous
	       line.  This is very useful for editing long shell command lines
	       and  is	encouraged.  This option can be turned on and off from
	       the “VT Options” menu.

       +rw     This option indicates that  reverse-wraparound  should  not  be
	       allowed.

       -s      This  option  indicates	that  xterm may scroll asynchronously,
	       meaning that the screen does not have to be kept completely  up
	       to  date while scrolling.  This allows xterm to run faster when
	       network latencies are very high and is  typically  useful  when
	       running across a very large internet or many gateways.

       +s      This option indicates that xterm should scroll synchronously.

       -samename
	       Does  not  send	title  and  icon name change requests when the
	       request would have no effect: the name is  not  changed.	  This
	       has the advantage of preventing flicker and the disadvantage of
	       requiring an extra round trip to the server  to	find  out  the
	       previous value.	In practice this should never be a problem.

       +samename
	       Always send title and icon name change requests.

       -sb     This  option  indicates	that  some  number  of	lines that are
	       scrolled off the top of the window should be saved and  that  a
	       scrollbar  should  be  displayed	 so  that  those  lines can be
	       viewed.	This option may be turned on  and  off	from  the  “VT
	       Options” menu.

       +sb     This option indicates that a scrollbar should not be displayed.

       -selbg color
	       This  option  specifies	the color to use for the background of
	       selected text.  If not specified, reverse video is  used.   See
	       the discussion of the highlightColor resource.

       -selfg color
	       This  option  specifies the color to use for selected text.  If
	       not specified, reverse video is used.  See  the	discussion  of
	       the highlightTextColor resource.

       -sf     This option indicates that Sun Function Key escape codes should
	       be generated for function keys.

       +sf     This option indicates that the standard escape codes should  be
	       generated for function keys.

       -sh number
	       scale  line-height values by the given number.  See the discus‐
	       sion of the scaleHeight resource.

       -si     This option indicates that output to a window should not	 auto‐
	       matically  reposition the screen to the bottom of the scrolling
	       region.	This option can be turned on  and  off	from  the  “VT
	       Options” menu.

       +si     This  option  indicates that output to a window should cause it
	       to scroll to the bottom.

       -sk     This option indicates that  pressing  a	key  while  using  the
	       scrollbar  to  review  previous	lines of text should cause the
	       window to be repositioned automatically in the normal  position
	       at the bottom of the scroll region.

       +sk     This  option  indicates	that  pressing	a  key while using the
	       scrollbar should not cause the window to be repositioned.

       -sl number
	       This option specifies the number of lines  to  save  that  have
	       been  scrolled  off the top of the screen.  This corresponds to
	       the saveLines resource.	The default is “64”.

       -sm     This option, corresponding to the  sessionMgt  resource,	 indi‐
	       cates that xterm should set up session manager callbacks.

       +sm     This option indicates that xterm should not set up session man‐
	       ager callbacks.

       -sp     This option indicates that Sun/PC keyboard should  be  assumed,
	       providing  mapping  for	keypad “+' to “,', and CTRL-F1 to F13,
	       CTRL-F2 to F14, etc.

       +sp     This option indicates that the standard escape codes should  be
	       generated for keypad and function keys.

       -t      This  option  indicates	that  xterm  should start in Tektronix
	       mode, rather than in VT102 mode.	  Switching  between  the  two
	       windows	is done using the “Options” menus.  Termcap(5) entries
	       that  work  with	  xterm	  “tek4014”,   “tek4015”,   “tek4012”,
	       “tek4013”, “tek4010”, and “dumb”.  xterm automatically searches
	       the termcap file in this order for these entries and then  sets
	       the “TERM” and the “TERMCAP” environment variables.

       +t      This option indicates that xterm should start in VT102 mode.

       -tb     This  option,  corresponding to the toolBar resource, indicates
	       that xterm should display a toolbar (or menubar) at the top  of
	       its window.  The buttons in the toolbar correspond to the popup
	       menus, e.g., control/left/mouse for “Main Options”.

       +tb     This option indicates that xterm should not set up a toolbar.

       -ti term_id
	       Specify the name used by xterm to select the  correct  response
	       to terminal ID queries.	It also specifies the emulation level,
	       used to	determine  the	type  of  response  to	a  DA  control
	       sequence.   Valid  values  include  vt52,  vt100, vt101, vt102,
	       vt220, and vt240	 (the  “vt”  is	 optional).   The  default  is
	       “vt420”.	  The  term_id	argument  specifies the terminal ID to
	       use.  (This is the same as the decTerminalID resource).

       -tm string
	       This option specifies a series  of  terminal  setting  keywords
	       followed	 by the characters that should be bound to those func‐
	       tions, similar to the stty program.   The  keywords  and	 their
	       values are described in detail in the ttyModes resource.

       -tn name
	       This  option  specifies the name of the terminal type to be set
	       in the  TERM  environment  variable.   It  corresponds  to  the
	       termName resource.  This terminal type must exist in the termi‐
	       nal database (termcap or terminfo, depending on	how  xterm  is
	       built)  and  should  have li# and co# entries.  If the terminal
	       type is not  found,  xterm  uses	 the  built-in	list  “xterm”,
	       “vt102”, etc.

       -u8     This  option  sets  the utf8 resource.  When utf8 is set, xterm
	       interprets incoming data as UTF-8.   This  sets	the  wideChars
	       resource	 as  a	side-effect,  but  the	UTF-8 mode set by this
	       option prevents it from being turned off.  If you must turn  it
	       on and off, use the wideChars resource.

	       This option and the utf8 resource are overridden by the -lc and
	       -en options and locale resource.	 That is, if  xterm  has  been
	       compiled	 to  support  luit,  and  the  locale  resource is not
	       “false” this option is ignored.	We  recommend  using  the  -lc
	       option  or  the	“locale: true”	resource in UTF-8 locales when
	       your operating system supports locale, or -en UTF-8  option  or
	       the  “locale: UTF-8”  resource  when your operating system does
	       not support locale.

       +u8     This option resets the utf8 resource.

       -uc     This option makes the cursor underlined instead of a box.

       +uc     This option makes the cursor a box instead of underlined.

       -ulc    This option disables the display of characters  with  underline
	       attribute as color rather than with underlining.

       +ulc    This  option  enables  the display of characters with underline
	       attribute as color rather than with underlining.

       -ulit   This option, corresponding to the italicULMode  resource,  dis‐
	       ables  the  display  of	characters with underline attribute as
	       italics rather than with underlining.

       +ulit   This  option,  corresponding  to	 the  italicULMode   resource,
	       enables	the  display of characters with underline attribute as
	       italics rather than with underlining.

       -ut     This option indicates that xterm should not write a record into
	       the the system utmp log file.

       +ut     This option indicates that xterm should write a record into the
	       system utmp log file.

       -vb     This option indicates that a visual bell is preferred  over  an
	       audible	one.   Instead of ringing the terminal bell whenever a
	       Control-G is received, the window will be flashed.

       +vb     This option indicates that a visual bell should not be used.

       -wc     This option sets the wideChars  resource.   When	 wideChars  is
	       set, xterm maintains internal structures for 16-bit characters.
	       If you do not set this resource to “true”,  xterm  will	ignore
	       the  escape  sequence  which  turns UTF-8 mode on and off.  The
	       default is “false”.

       +wc     This option resets the wideChars resource.

       -wf     This option indicates that xterm should wait for the window  to
	       be mapped the first time before starting the subprocess so that
	       the initial terminal size settings  and	environment  variables
	       are  correct.   It is the application's responsibility to catch
	       subsequent terminal size changes.

       +wf     This option indicates that xterm should not wait before	start‐
	       ing the subprocess.

       -ziconbeep percent
	       Same  as	 zIconBeep  resource.	If percent is non-zero, xterms
	       that produce output while iconified will cause an  XBell	 sound
	       at  the	given  volume  and  have “***” prepended to their icon
	       titles.	Most window managers will detect this  change  immedi‐
	       ately,  showing	you  which  window has the output.  (A similar
	       feature was in x10 xterm.)

       -C      This option indicates that this window should  receive  console
	       output.	 This is not supported on all systems.	To obtain con‐
	       sole output, you must be the owner of the console  device,  and
	       you  must  have	read  and write permission for it.  If you are
	       running X under xdm on the console screen you may need to  have
	       the  session  startup  and reset programs explicitly change the
	       ownership of the console device in order to get this option  to
	       work.

       -Sccn   This  option  allows  xterm  to	be used as an input and output
	       channel for an existing program and is sometimes used  in  spe‐
	       cialized applications.  The option value specifies the last few
	       letters of the name of a pseudo-terminal to use in slave	 mode,
	       plus  the  number  of  the  inherited  file descriptor.	If the
	       option contains a “/” character, that delimits  the  characters
	       used  for  the  pseudo-terminal	name from the file descriptor.
	       Otherwise, exactly two characters are used from the option  for
	       the pseudo-terminal name, the remainder is the file descriptor.
	       Examples (the first two are  equivalent	since  the  descriptor
	       follows the last “/”):

		   -S/dev/pts/123/45
		   -S123/45
		   -Sab34

	       Note that xterm does not close any file descriptor which it did
	       not open for its own use.  It is possible (though probably  not
	       portable)  to  have  an	application  which passes an open file
	       descriptor down to xterm past  the  initialization  or  the  -S
	       option to a process running in the xterm.

   OLD OPTIONS
       The  following  command	line  arguments are provided for compatibility
       with older versions.  They may not be supported in the next release  as
       the X Toolkit provides standard options that accomplish the same task.

       %geom   This  option  specifies	the preferred size and position of the
	       Tektronix window.  It is shorthand for specifying the  “*tekGe‐
	       ometry” resource.

       #geom   This  option  specifies the preferred position of the icon win‐
	       dow.   It  is  shorthand	 for  specifying  the  “*iconGeometry”
	       resource.

       -T string
	       This  option  specifies	the  title for xterm's windows.	 It is
	       equivalent to -title.

       -n string
	       This option specifies the icon name for xterm's windows.	 It is
	       shorthand  for  specifying the “*iconName” resource.  Note that
	       this is not the same as the toolkit option -name	 (see  below).
	       The default icon name is the application name.

	       If  no  suitable	 icon  is  found, xterm provides a compiled-in
	       pixmap.

       -r      This option indicates that reverse video should be simulated by
	       swapping	 the  foreground and background colors.	 It is equiva‐
	       lent to -rv.

       -w number
	       This option specifies the width in pixels of  the  border  sur‐
	       rounding the window.  It is equivalent to -borderwidth or -bw.

   X TOOLKIT OPTIONS
       The  following  standard	 X Toolkit command line arguments are commonly
       used with xterm:

       -bd color
	       This option specifies the color to use for the  border  of  the
	       window.	The corresponding resource name is borderColor.	 xterm
	       uses the X Toolkit default, which is “XtDefaultForeground”.

       -bg color
	       This option specifies the color to use for  the	background  of
	       the  window.   The  corresponding  resource name is background.
	       The default is “XtDefaultBackground”.

       -bw number
	       This option specifies the width in pixels of  the  border  sur‐
	       rounding the window.

	       This  appears  to be a legacy of older X releases.  It sets the
	       borderWidth resource of	the  shell  widget,  and  may  provide
	       advice  to your window manager to set the thickness of the win‐
	       dow frame.  Most window managers do not use  this  information.
	       See the -b option, which controls the inner border of the xterm
	       window.

       -display display
	       This option specifies the X server to contact; see X(7).

       -fg color
	       This option specifies the color to  use	for  displaying	 text.
	       The  corresponding resource name is foreground.	The default is
	       “XtDefaultForeground”.

       -fn font
	       This option specifies the font to be used for displaying normal
	       text.   The  corresponding resource name is font.  The resource
	       value default is fixed.

       -font font
	       This is the same as -fn.

       -geometry geometry
	       This option specifies the preferred size and  position  of  the
	       VT102 window; see X(7).

       -iconic This  option indicates that xterm should ask the window manager
	       to start it as an icon rather than as the normal	 window.   The
	       corresponding resource name is iconic.

       -name name
	       This   option   specifies  the  application  name  under	 which
	       resources are to be obtained,  rather  than  the	 default  exe‐
	       cutable	file name.  Name should not contain “.” or “*” charac‐
	       ters.

       -rv     This option indicates that reverse video should be simulated by
	       swapping the foreground and background colors.  The correspond‐
	       ing resource name is reverseVideo.

       +rv     Disable the simulation of reverse video by swapping  foreground
	       and background colors.

       -title string
	       This  option  specifies	the  window title string, which may be
	       displayed by window managers  if	 the  user  so	chooses.   The
	       default	title  is  the	command	 line  specified  after the -e
	       option, if any, otherwise the application name.

       -xrm resourcestring
	       This option specifies a resource string to be  used.   This  is
	       especially  useful for setting resources that do not have sepa‐
	       rate command line options.

RESOURCES
       The program understands all of the core X Toolkit  resource  names  and
       classes.	 Application specific resources (e.g., “XTerm.NAME”) follow:

       backarrowKeyIsErase (class BackarrowKeyIsErase)
	       Tie   the  VTxxx	 backarrowKey  and  ptyInitialErase  resources
	       together by setting the DECBKM state according to  whether  the
	       initial	value of stty erase is a backspace (8) or delete (127)
	       character.  A “false” value disables this feature.  The default
	       is “True”.

       fullscreen (class Fullscreen)
	       Specifies whether or not xterm should ask the window manager to
	       use a fullscreen layout on startup.   Xterm  accepts  either  a
	       keyword (ignoring case) or the number shown in parentheses:

	       false (0)
		  Fullscreen  layout  is  not used initially, but may be later
		  via menu-selection or control sequence.

	       true (1)
		  Fullscreen layout is used initially,	but  may  be  disabled
		  later via menu-selection or control sequence.

	       always (2)
		  Fullscreen  layout is used initially, and cannot be disabled
		  later via menu-selection or control sequence.

	       never (3)
		  Fullscreen layout is not used, and cannot be	enabled	 later
		  via menu-selection or control sequence.

	       The default is “false”.

       hold (class Hold)
	       If true, xterm will not immediately destroy its window when the
	       shell command completes.	 It will wait until you use the window
	       manager	to  destroy/kill  the  window,	or if you use the menu
	       entries that send a signal, e.g., HUP or KILL.  You may	scroll
	       back,  select text, etc., to perform most graphical operations.
	       Resizing the  display  will  lose  data,	 however,  since  this
	       involves interaction with the shell which is no longer running.

       hpFunctionKeys (class HpFunctionKeys)
	       Specifies whether or not HP Function Key escape codes should be
	       generated  for  function	 keys  instead	of   standard	escape
	       sequences.

	       See also the keyboardType resource.

       iconGeometry (class IconGeometry)
	       Specifies  the  preferred  size and position of the application
	       when iconified.	It is not necessarily  obeyed  by  all	window
	       managers.

       iconHint (class IconHint)
	       Specifies  a  icon  which  will	be added to the window manager
	       hints.  xterm provides no default value.

	       Set this resource to “none” to omit the	hint  entirely,	 using
	       whatever the window manager may decide.

	       If the iconHint resource is given (or is set via the -n option)
	       xterm searches for a pixmap file with that name, in the current
	       directory  as  well  as in /usr/share/pixmaps.  if the resource
	       does not specify an absolute pathname.	In  each  case,	 xterm
	       adds  “_48x48” and/or “.xpm” to the filename after trying with‐
	       out those suffixes.  If it is able to load the file, xterm sets
	       the window manager hint for the icon-pixmap.  These pixmaps are
	       distributed with xterm, and can optionally be compiled-in:

	       ·   mini.xterm_16x16, mini.xterm_32x32, mini.xterm_48x48

	       ·   filled-xterm_16x16 filled-xterm_32x32 filled-xterm_48x48

	       ·   xterm_16x16 xterm_32x32 xterm_48x48

	       ·   xterm-color_16x16 xterm-color_32x32 xterm-color_48x48

	       In either case, xterm allows for adding a “_48x48”  to  specify
	       the largest of the pixmaps as a default.	 That is, “mini.xterm”
	       is the same as “mini.xterm_48x48”.

	       If no explicit iconHint resource is given (or if	 none  of  the
	       compiled-in  names  matches), xterm uses “mini.xterm” (which is
	       always compiled-in).

	       The iconHint resource has no effect on “desktop” files, includ‐
	       ing  “panel” and “menu”.	 Those are typically set via a “.desk‐
	       top” file; xterm provides samples for itself  (and  the	uxterm
	       script).	  The  more capable desktop systems allow changing the
	       icon on a per-user basis.

       iconName (class IconName)
	       Specifies a label for xterm when iconified.  xterm provides  no
	       default	value; some window managers may assume the application
	       name, e.g., “xterm”.

	       Setting the iconName resource sets the icon label unless	 over‐
	       ridden  by  zIconBeep or the control sequences which change the
	       window and icon labels.

       keyboardType (class KeyboardType)
	       Enables one (or none) of the various  keyboard-type  resources:
	       hpFunctionKeys, scoFunctionKeys, sunFunctionKeys, tcapFunction‐
	       Keys and sunKeyboard.  The resource's value should  be  one  of
	       the   corresponding  strings  “hp”,  “sco”,  “sun”,  “tcap”  or
	       “vt220”.	 The individual resources are provided for legacy sup‐
	       port; this resource is simpler to use.

	       The   default  is  “unknown”,  i.e.,  none  of  the  associated
	       resources are set via this resource.

       maxBufSize (class MaxBufSize)
	       Specify the maximum size of the input buffer.  The  default  is
	       “32768”.	  You cannot set this to a value less than the minBuf‐
	       Size resource.  It will be increased as	needed	to  make  that
	       value evenly divide this one.

	       On  some	 systems  you  may want to increase one or both of the
	       maxBufSize and minBufSize resource  values  to  achieve	better
	       performance  if	the  operating	system	prefers	 larger buffer
	       sizes.

       maximized (class Maximized)
	       Specifies whether or not xterm should ask the window manager to
	       maximize its layout on startup.	The default is “false”.

       messages (class Messages)
	       Specifies  whether write access to the terminal is allowed ini‐
	       tially.	See mesg(1).  The default is “true”.

       menuLocale (class MenuLocale)
	       Specify the locale used	for  character-set  computations  when
	       loading	the  popup  menus.  Use this to improve initialization
	       performance of the Athena popup menus, which may load  unneces‐
	       sary  (and  very	 large)	 fonts, e.g., in a locale having UTF-8
	       encoding.  The default is “C” (POSIX).

	       To use the current locale (only useful if  you  have  localized
	       the  resource  settings for the menu entries), set the resource
	       to an empty string.

       minBufSize (class MinBufSize)
	       Specify the minimum size of the input buffer, i.e., the	amount
	       of  data	 that  xterm  requests	on  each read.	The default is
	       “4096”.	You cannot set this to a value less than 64.

       omitTranslation (class OmitTranslation)
	       Selectively omit one or more parts of xterm's default  transla‐
	       tions at startup.  The resource value is a comma-separated list
	       of keywords, which may be abbreviated:  “fullscreen”,  “scroll-
	       lock”,  “shift-fonts”  or “wheel-mouse”.	 Xterm also recognizes
	       “default”, but omitting that will  make	the  program  unusable
	       unless  you  provide a similar definition in your resource set‐
	       tings.

       ptyHandshake (class PtyHandshake)
	       If “true”, xterm will perform handshaking during initialization
	       to  ensure  that the parent and child processes update the utmp
	       and stty state.

	       See also	 waitForMap  which  waits  for	the  pseudo-terminal's
	       notion  of  the	screen	size, and ptySttySize which resets the
	       screen size after other terminal	 initialization	 is  complete.
	       The default is “true”.

       ptyInitialErase (class PtyInitialErase)
	       If  “true”,  xterm  will use the pseudo-terminal's sense of the
	       stty erase value.  If “false”, xterm will set  the  stty	 erase
	       value  to match its own configuration, using the kb string from
	       the termcap entry as a  reference,  if  available.   In	either
	       case, the result is applied to the TERMCAP variable which xterm
	       sets.

	       See also the ttyModes resource, which  may  modify  this.   The
	       default is “false”.

       ptySttySize (class PtySttySize)
	       If “true”, xterm will reset the screen size after terminal ini‐
	       tialization is complete.	 This is needed for some systems whose
	       pseudo-terminals	 cannot	 propagate  terminal  characteristics.
	       Where it is not needed, it can interfere with other methods for
	       setting the intial screen size, e.g., via window manager inter‐
	       action.

	       See also waitForMap which waits for a handshake-message	giving
	       the  pseudo-terminal's  notion of the screen size.  The default
	       is “false” on Linux and OS X systems, “true” otherwise.

       reportFonts (class ReportFonts)
	       If true, xterm will print to the standard output a  summary  of
	       each font's metrics (size, number of glyphs, etc.), as it loads
	       them.  The default is “false”.

       sameName (class SameName)
	       If the value of this resource is “true”, xterm  does  not  send
	       title and icon name change requests when the request would have
	       no effect: the name is not changed.  This has the advantage  of
	       preventing  flicker  and the disadvantage of requiring an extra
	       round trip to the server to find out the	 previous  value.   In
	       practice	 this  should  never  be  a  problem.	The default is
	       “true”.

       scaleHeight (class ScaleHeight)
	       Scale line-height values by the resource value, which  is  lim‐
	       ited to “0.9” to “1.5”.	The default value is “1.0”,

	       While this resource applies to either bitmap or TrueType fonts,
	       its main purpose is to help work around incompatible changes in
	       the  Xft library's font metrics.	 Xterm checks the font metrics
	       to find what the library claims are the bounding boxes for each
	       glyph  (character).   However,  some of Xft's features (such as
	       the autohinter) can cause the glyphs to be scaled  larger  than
	       the bounding boxes, and be partly overwritten by the next row.

	       See useClipping for a related resource.

       scoFunctionKeys (class ScoFunctionKeys)
	       Specifies  whether  or not SCO Function Key escape codes should
	       be generated for	 function  keys	 instead  of  standard	escape
	       sequences.

	       See also the keyboardType resource.

       sessionMgt (class SessionMgt)
	       If  the value of this resource is “true”, xterm sets up session
	       manager callbacks for XtNdieCallback and XtNsaveCallback.   The
	       default is “true”.

       sunFunctionKeys (class SunFunctionKeys)
	       Specifies  whether  or not Sun Function Key escape codes should
	       be generated for	 function  keys	 instead  of  standard	escape
	       sequences.

	       See also the keyboardType resource.

       sunKeyboard (class SunKeyboard)
	       Specifies  whether  or  not  Sun/PC  keyboard  layout should be
	       assumed rather than DEC VT220.  This causes the keypad  “+'  to
	       be mapped to “,'.  and CTRL F1-F12 to F11-F20, depending on the
	       setting of the ctrlFKeys resource.  so  xterm  emulates	a  DEC
	       VT220  more  accurately.	  Otherwise (the default, with sunKey‐
	       board set to “false”), xterm uses  PC-style  bindings  for  the
	       function keys and keypad.

	       PC-style	 bindings use the Shift, Alt, Control and Meta keys as
	       modifiers for function-keys and keypad (see the document	 Xterm
	       Control	Sequences  for	details).   The	 PC-style bindings are
	       analogous to PCTerm, but not the same  thing.   Normally	 these
	       bindings	 do  not  conflict  with  the  use  of the Meta key as
	       described for the eightBitInput resource.   If  they  do,  note
	       that the PC-style bindings are evaluated first.

	       See also the keyboardType resource.

       tcapFunctionKeys (class TcapFunctionKeys)
	       Specifies  whether  or  not function key escape codes read from
	       the termcap/terminfo entry should  be  generated	 for  function
	       keys  instead  of  standard  escape  sequences.	The default is
	       “false”, i.e., this feature is disabled.

	       See also the keyboardType resource.

       termName (class TermName)
	       Specifies the terminal type name to be set in the TERM environ‐
	       ment variable.

       title (class Title)
	       Specifies  a string that may be used by the window manager when
	       displaying this application.

       toolBar (class ToolBar)
	       Specifies whether or not the toolbar should be displayed.   The
	       default is “true”.

       ttyModes (class TtyModes)
	       Specifies a string containing terminal setting keywords and the
	       characters to which they	 may  be  bound.   Allowable  keywords
	       include:	 brk,  dsusp,  eof,  eol,  eol2, erase, erase2, flush,
	       intr, kill, lnext, quit,	 rprnt,	 start,	 status,  stop,	 susp,
	       swtch  and weras.  Control characters may be specified as ^char
	       (e.g., ^c or ^u) and ^? may be used to indicate	delete	(127).
	       Use ^- to denote undef.	Use \034 to represent ^\, since a lit‐
	       eral backslash in an X resource escapes the next character.

	       This is very useful for overriding the  default	terminal  set‐
	       tings  without  having  to  do  an  stty every time an xterm is
	       started.	 Note, however, that the stty program on a given  host
	       may use different keywords; xterm's table is built-in.

	       If  the	ttyModes  resource  specifies  a value for erase, that
	       overrides the ptyInitialErase  resource	setting,  i.e.,	 xterm
	       initializes the terminal to match that value.

       useInsertMode (class UseInsertMode)
	       Force  use  of insert mode by adding appropriate entries to the
	       TERMCAP environment variable.  This is  useful  if  the	system
	       termcap is broken.  The default is “false”.

       utmpDisplayId (class UtmpDisplayId)
	       Specifies whether or not xterm should try to record the display
	       identifier (display number and screen number) as	 well  as  the
	       hostname in the system utmp log file.  The default is “true”.

       utmpInhibit (class UtmpInhibit)
	       Specifies  whether or not xterm should try to record the user's
	       terminal in the system utmp log file.  If true, xterm will  not
	       try.  The default is “false”.

       waitForMap (class WaitForMap)
	       Specifies whether or not xterm should wait for the initial win‐
	       dow map before starting the subprocess.	This is	 part  of  the
	       ptyHandshake  logic.   When  xterm  is directed to wait in this
	       fashion, it passes the terminal size from the  display  end  of
	       the  pseudo-terminal  to	 the  terminal	I/O  connection, e.g.,
	       according to the window manager.	 Otherwise, it uses  the  size
	       as  given in resource values or command-line option -geom.  The
	       default is “false”.

       zIconBeep (class ZIconBeep)
	       Same as -ziconbeep command line argument.  If the value of this
	       resource	 is  non-zero, xterms that produce output while iconi‐
	       fied will cause an XBell sound at the  given  volume  and  have
	       “*** ”  prepended  to  their icon titles.  Most window managers
	       will detect this change immediately, showing you	 which	window
	       has  the	 output.   (A  similar feature was in x10 xterm.)  The
	       default is “false”.

       zIconTitleFormat (class ZIconTitleFormat)
	       Allow customization of the string used in  the  zIconBeep  fea‐
	       ture.  The default value is “*** %s”.

	       If  the	resource value contains a “%s”, then xterm inserts the
	       icon title at that point rather than prepending the  string  to
	       the icon title.	(Only the first “%s” is used).

   VT100 Widget Resources
       The  following  resources  are  specified  as  part of the vt100 widget
       (class	VT100).	   They	  are	specified   by	 patterns   such    as
       “XTerm.vt100.NAME”.

       If  your	 xterm is configured to support the “toolbar”, then those pat‐
       terns need an extra level for the form-widget which holds  the  toolbar
       and  vt100  widget.   A	wildcard between the top-level “XTerm” and the
       “vt100” widget makes the	 resource  settings  work  for	either,	 e.g.,
       “XTerm*vt100.NAME”.

       activeIcon (class ActiveIcon)
	       Specifies  whether  or  not  active icon windows are to be used
	       when the xterm window is iconified, if this feature is compiled
	       into  xterm.   The active icon is a miniature representation of
	       the content of the  window  and	will  update  as  the  content
	       changes.	  Not all window managers necessarily support applica‐
	       tion icon windows.  Some window	managers  will	allow  you  to
	       enter  keystrokes  into the active icon window.	The default is
	       “default”.

	       Xterm accepts either a keyword (ignoring case)  or  the	number
	       shown in parentheses:

	       false (0)
		      No active icon is shown.

	       true (1)
		      The  active  icon	 is  shown.  If you are using twm, use
		      this setting to enable active-icons.

	       default (2)
		      xterm checks at startup, and shows an active  icon  only
		      for  window managers which it can identify and which are
		      known to support the feature.  These are fvwm (full sup‐
		      port),  and window maker (limited).  A few other windows
		      managers (such as twm and ctwm)  support	active	icons,
		      but  do  not support the extensions which allow xterm to
		      identify the window manager.

       allowBoldFonts (class AllowBoldFonts)
	       When set to “false”, xterm will not use bold fonts.  This over‐
	       rides  both  the	 alwaysBoldMode	 and  the  boldMode resources.
	       alwaysBoldMode (class AlwaysBoldMode)

       allowC1Printable (class AllowC1Printable)
	       If true, overrides the mapping of C1 controls  (codes  128-159)
	       to  make	 them be treated as if they were printable characters.
	       Although this corresponds to no particular standard, some users
	       insist it is a VT100.  The default is “false”.

       allowColorOps (class AllowColorOps)
	       Specifies  whether control sequences that set/query the dynamic
	       colors should be allowed.  ANSI colors are unaffected  by  this
	       resource setting.  The default is “true”.

       allowFontOps (class AllowFontOps)
	       Specifies  whether  control  sequences  that set/query the font
	       should be allowed.  The default is “false”.

       allowPasteControls (class AllowPasteControls)
	    If true, allow control characters  such  as	 BEL  and  CAN	to  be
	    pasted.   Formatting characters (tab, newline) are always allowed.
	    Other C0 control characters are suppressed unless this resource is
	    enabled.   The exact set of control characters (C0 and C1) depends
	    upon whether UTF-8 encoding is used, as well as the	 allowC1Print‐
	    able resource.  The default is “false”.

       allowScrollLock (class AllowScrollLock)
	       Specifies  whether  control sequences that set/query the Scroll
	       Lock key should be allowed, as well as whether the Scroll  Lock
	       key responds to user's keypress.	 The default is “false”.

	       When this feature is enabled, xterm will sense the state of the
	       Scroll Lock key each time  it  acquires	focus.	 Pressing  the
	       Scroll Lock key toggles xterm's internal state, as well as tog‐
	       gling the associated LED.  While the  Scroll  Lock  is  active,
	       xterm attempts to keep a viewport on the same set of lines.  If
	       the current viewport is scrolled past  the  limit  set  by  the
	       saveLines resource, then Scroll Lock has no further effect.

	       The  reason for setting the default to “false” is to avoid user
	       surprise.  This key is generally unused in keyboard  configura‐
	       tions,  and has not acquired a standard meaning even when it is
	       used in that manner.  Consequently, users have assigned it  for
	       ad hoc purposes.

       allowSendEvents (class AllowSendEvents)
	       Specifies  whether or not synthetic key and button events (gen‐
	       erated using the X protocol SendEvent request) should be inter‐
	       preted  or  discarded.  The default is “false” meaning they are
	       discarded.  Note that allowing such events would create a  very
	       large  security	hole,  therefore enabling this resource force‐
	       fully disables  the  allowXXXOps	 resources.   The  default  is
	       “false”.

       allowTcapOps (class AllowTcapOps)
	       Specifies  whether  control sequences that query the terminal's
	       notion of its function-key  strings,  as	 termcap  or  terminfo
	       capabilities should be allowed.	The default is “true”.

	       A  few programs, e.g., vim, use this feature to get an accurate
	       description of the terminal's capabilities, independent of  the
	       termcap/terminfo setting:

	       ·   xterm can tell the querying program how many colors it sup‐
		   ports.  This is a constant, depending on  how  it  is  com‐
		   piled,  typically  16.   It	does  not  change if you alter
		   resource settings, e.g., the boldColors resource.

	       ·   xterm can tell the querying program what strings  are  sent
		   by  modified (shift-, control-, alt-) function- and keypad-
		   keys.  Reporting control- and alt-modifiers	is  a  feature
		   that relies on the ncurses extended naming.

       allowTitleOps (class AllowTitleOps)
	       Specifies  whether  control  sequences  that  modify the window
	       title or icon name should be allowed.  The default is “true”.

       allowWindowOps (class AllowWindowOps)
	       Specifies whether extended window control sequences (as used in
	       dtterm)	should	be  allowed.   These  include  several control
	       sequences which manipulate the window size or position, as well
	       as  reporting these values and the title or icon name.  Each of
	       these can be abused in a script; curiously enough most terminal
	       emulators  that	implement  these restrict only a small part of
	       the repertoire.	For fine-tuning, see disallowedWindowOps.  The
	       default is “false”.

       altIsNotMeta (class AltIsNotMeta)
	       If  “true”, treat the Alt-key as if it were the Meta-key.  Your
	       keyboard may happen to be configured so they are the same.  But
	       if  they	 are  not, this allows you to use the same prefix- and
	       shifting operations with the Alt-key as with the Meta-key.  See
	       altSendsEscape and metaSendsEscape.  The default is “false”.

       altSendsEscape (class AltSendsEscape)
	       This  is an additional keyboard operation that may be processed
	       after the logic for metaSendsEscape.  It is only	 available  if
	       the altIsNotMeta resource is set.

	       ·   If  “true”,	Alt  characters (a character combined with the
		   modifier associated with left/right Alt-keys) are converted
		   into	 a  two-character  sequence  with the character itself
		   preceded by ESC.  This applies as well to function key con‐
		   trol	 sequences, unless xterm sees that Alt is used in your
		   key translations.

	       ·   If “false”, Alt characters input from the keyboard cause  a
		   shift  to 8-bit characters (just like metaSendsEscape).  By
		   combining the Alt- and Meta-modifiers, you can create  cor‐
		   responding combinations of ESC-prefix and 8-bit characters.

	       The  default is “False”.	 Xterm provides a menu option for tog‐
	       gling this resource.

       alternateScroll (class ScrollCond)
	       If “true”, the scroll-back and scroll-forw  actions  send  cur‐
	       sor-up  and  -down  keys when xterm is displaying the alternate
	       screen.	The default is “false”.

	       The alternateScroll state can  also  be	set  using  a  control
	       sequence.

       alwaysBoldMode (class AlwaysBoldMode)
	       Specifies  whether  xterm  should  check if the normal and bold
	       fonts are distinct before deciding whether to use  overstriking
	       to  simulate  bold fonts.  If this resource is true, xterm does
	       not make the check for distinct fonts when deciding how to han‐
	       dle the boldMode resource.  The default is “false”.

	       boldMode	  alwaysBoldMode   Comparison	Action
	       ────────────────────────────────────────────────────
	       false	  false		   ignored	use font
	       false	  true		   ignored	use font
	       true	  false		   same		overstrike
	       true	  false		   different	use font
	       true	  true		   ignored	overstrike

	       This resource is used only for bitmap fonts:

	       ·   When	 using	bitmap	fonts,	it  is	possible that the font
		   server will approximate the bold font by rescaling it  from
		   a  different	 font  size than expected.  The alwaysBoldMode
		   resource allows the user to override the  (sometimes	 poor)
		   resulting  bold  font  with overstriking (which is at least
		   consistent).

	       ·   The problem does not	 occur	with  TrueType	fonts  (though
		   there  can  be  other  unnecessary issues such as different
		   coverage of the normal and bold fonts).

	       As an alternative, setting the allowBoldFonts resource to false
	       overrides both the alwaysBoldMode and the boldMode resources.

       alwaysHighlight (class AlwaysHighlight)
	       Specifies  whether  or  not xterm should always display a high‐
	       lighted text cursor.  By default (if this resource is false), a
	       hollow  text cursor is displayed whenever the pointer moves out
	       of the window or the window loses the input focus.  The default
	       is “false”.

       alwaysUseMods (class AlwaysUseMods)
	       Override the numLock resource, telling xterm to use the Alt and
	       Meta  modifiers	to  construct  parameters  for	function   key
	       sequences  even	if  those modifiers appear in the translations
	       resource.  Normally xterm checks if Alt or Meta is  used	 in  a
	       translation  that  would	 conflict with function key modifiers,
	       and will ignore these modifiers	in  that  special  case.   The
	       default is “false”.

       answerbackString (class AnswerbackString)
	       Specifies  the  string  that  xterm sends in response to an ENQ
	       (control/E) character from the host.  The default  is  a	 blank
	       string,	i.e., “”.  A hardware VT100 implements this feature as
	       a setup option.

       appcursorDefault (class AppcursorDefault)
	       If “true”, the cursor keys are initially in  application	 mode.
	       This  is the same as the VT102 private DECCKM mode, The default
	       is “false”.

       appkeypadDefault (class AppkeypadDefault)
	       If “true”, the keypad keys are initially in  application	 mode.
	       The default is “false”.

       assumeAllChars (class AssumeAllChars)
	       If “true”, this enables a special case in bitmap fonts to allow
	       the font server to choose how to display missing	 glyphs.   The
	       default is “true”.

	       The  reason  for	 this  resource is to help with certain quasi-
	       automatically generated fonts (such as the ISO-10646-1 encoding
	       of Terminus) which have incorrect font-metrics.

       autoWrap (class AutoWrap)
	       Specifies  whether  or  not  auto-wraparound should be enabled.
	       This is the same as the VT102 DECAWM.  The default is “true”.

       awaitInput (class AwaitInput)
	       Specifies whether or not the xterm uses a 50 millisecond	 time‐
	       out  to	await  input (i.e., to support the Xaw3d arrow scroll‐
	       bar).  The default is “false”.

       backarrowKey (class BackarrowKey)
	       Specifies whether the backarrow key transmits a	backspace  (8)
	       or delete (127) character.  This corresponds to the DECBKM con‐
	       trol  sequence.	 A  “true”  value  specifies  backspace.   The
	       default	is  “True”.   Pressing	the  control  key toggles this
	       behavior.

       background (class Background)
	       Specifies the color to use for the background  of  the  window.
	       The default is “XtDefaultBackground”.

       bellIsUrgent (class BellIsUrgent)
	       Specifies  whether  to set the Urgency hint for the window man‐
	       ager when making a bell sound.  The default is “false”.

       bellOnReset (class BellOnReset)
	       Specifies whether to sound a bell when doing a hard reset.  The
	       default is “true”.

       bellSuppressTime (class BellSuppressTime)
	       Number  of  milliseconds	 after	a  bell command is sent during
	       which additional bells will be suppressed.  Default is 200.  If
	       set  non-zero,  additional  bells will also be suppressed until
	       the server reports that processing of the first bell  has  been
	       completed; this feature is most useful with the visible bell.

       boldColors (class ColorMode)
	       Specifies  whether  to  combine bold attribute with colors like
	       the IBM PC, i.e., map colors 0 through 7 to  colors  8  through
	       15.   These  normally  are the brighter versions of the first 8
	       colors, hence bold.  The default is “true”.

       boldFont (class BoldFont)
	       Specifies the name of the bold font to  use  instead  of	 over‐
	       striking.  There is no default for this resource.

	       This font must be the same height and width as the normal font,
	       otherwise it is ignored.	 If only one of	 the  normal  or  bold
	       fonts  is specified, it will be used as the normal font and the
	       bold font will be produced by overstriking this font.

	       See  also  the  discussion  of  boldMode	  and	alwaysBoldMode
	       resources.

       boldMode (class BoldMode)
	       This  specifies	whether	 or  not  text with the bold attribute
	       should be overstruck to simulate bold  fonts  if	 the  resolved
	       bold  font is the same as the normal font.  It may be desirable
	       to disable bold fonts when color is being  used	for  the  bold
	       attribute.

	       Note that xterm has one bold font which you may set explicitly.
	       Xterm attempts to derive a bold font for the other font	selec‐
	       tions (font1 through font6).  If it cannot find a bold font, it
	       will use the normal font.  In each case (whether	 the  explicit
	       resource or the derived font), if the normal and bold fonts are
	       distinct, this resource has no effect.  The default is “true”.

	       See the alwaysBoldMode resource which can modify	 the  behavior
	       of this resource.

	       Although	 xterm	attempts  to derive a bold font for other font
	       selections, the font server may not  cooperate.	 Since	X11R6,
	       bitmap  fonts have been scaled.	The font server claims to pro‐
	       vide the bold font that xterm requests, but the result  is  not
	       always  readable.   XFree86  introduced	a feature which can be
	       used to suppress the scaling.  In the X server's	 configuration
	       file (e.g., “/etc/X11/XFree86”), you can add “:unscaled” to the
	       end of the directory specification for the “misc” fonts,	 which
	       comprise	 the  fixed-pitch  fonts  that are used by xterm.  For
	       example

		   FontPath		    "/usr/lib/X11/fonts/misc/"

	       would become

		   FontPath		    "/usr/lib/X11/fonts/misc/:unscaled"

	       Depending on your configuration, the font server may  have  its
	       own  configuration  file.  The same “:unscaled” can be added to
	       its configuration file at the end of the	 directory  specifica‐
	       tion for “misc”.

	       The  bitmap  scaling feature is also used by xterm to implement
	       VT102 double-width and double-height characters.

       brokenLinuxOSC (class BrokenLinuxOSC)
	       If true, xterm applies a workaround to ignore malformed control
	       sequences  that a Linux script might send.  Compare the palette
	       control sequences documented  in	 console_codes	with  ECMA-48.
	       The default is “true”.

       brokenSelections (class BrokenSelections)
	       If  true,  xterm in 8-bit mode will interpret STRING selections
	       as carrying text in the current	locale's  encoding.   Normally
	       STRING  selections carry ISO-8859-1 encoded text.  Setting this
	       resource to “true” violates the ICCCM; it may, however, be use‐
	       ful for interacting with some broken X clients.	The default is
	       “false”.

       brokenStringTerm (class BrokenStringTerm)
	       provides a work-around for some ISDN  routers  which  start  an
	       application  control string without completing it.  Set this to
	       “true” if xterm appears to freeze when connecting.  The default
	       is “false”.

	       Xterm's	state  parser  recognizes  several  types  of  control
	       strings which can contain text, e.g.,

	       APC (Application Program Command),
	       DCS (Device Control String),
	       OSC (Operating System Command),
	       PM (Privacy Message), and
	       SOS (Start of String),

	       Each should end with a string-terminator (a  special  character
	       which  cannot appear in these strings).	Ordinary control char‐
	       acters found within the string are not ignored; they  are  pro‐
	       cessed without interfering with the process of accumulating the
	       control string's content.  Xterm recognizes these  controls  in
	       all  modes,  although  some  of the functions may be suppressed
	       after parsing the control.

	       When enabled, this feature allows the  user  to	exit  from  an
	       unterminated  control string when any of these ordinary control
	       characters are found:

	       control/D (used as an end of file in many shells),
	       control/H (backspace),
	       control/I (tab-feed),
	       control/J (line feed aka newline),
	       control/K (vertical tab),
	       control/L (form feed),
	       control/M (carriage return),
	       control/N (shift-out),
	       control/O (shift-in),
	       control/Q (XOFF),
	       control/X (cancel)

       c132 (class C132)
	       Specifies whether or not the  VT102  DECCOLM  escape  sequence,
	       used  to	 switch between 80 and 132 columns, should be honored.
	       The default is “false”.

       cacheDoublesize (class CacheDoublesize)
	       Tells whether to cache double-sized fonts by xterm.   Set  this
	       to zero to disable double-sized fonts altogether.

       cdXtraScroll (class CdXtraScroll)
	       Specifies whether xterm should scroll to a new page when clear‐
	       ing the whole screen.  Like tiXtraScroll, the  intent  of  this
	       option is to provide a picture of the full-screen application's
	       display on the scrollback before	 wiping	 out  the  text.   The
	       default for this resource is “false”.

       charClass (class CharClass)
	       Specifies  comma-separated lists of character class bindings of
	       the form [low-]high:value.  These are used in determining which
	       sets  of	 characters  should be treated the same when doing cut
	       and paste.  See the CHARACTER CLASSES section.

       cjkWidth (class CjkWidth)
	       Specifies whether xterm	should	follow	the  traditional  East
	       Asian  width  convention.  When turned on, characters with East
	       Asian Ambiguous (A) category in UTR 11 have a column  width  of
	       2.   You may have to set this option to “true” if you have some
	       old East Asian terminal based programs that assume  that	 line-
	       drawing	characters have a column width of 2.  If this resource
	       is false, the mkWidth resource controls the choice between  the
	       system's	 wcwidth  and xterm's built-in tables.	The default is
	       “false”.

       color0 (class Color0)

       color1 (class Color1)

       color2 (class Color2)

       color3 (class Color3)

       color4 (class Color4)

       color5 (class Color5)

       color6 (class Color6)

       color7 (class Color7)
	       These specify the  colors  for  the  ISO-6429  extension.   The
	       defaults	 are,  respectively,  black,  red3, green3, yellow3, a
	       customizable dark  blue,	 magenta3,  cyan3,  and	 gray90.   The
	       default	shades of color are chosen to allow the colors 8-15 to
	       be used as brighter versions.

       color8 (class Color8)

       color9 (class Color9)

       color10 (class Color10)

       color11 (class Color11)

       color12 (class Color12)

       color13 (class Color13)

       color14 (class Color14)

       color15 (class Color15)
	       These specify the colors for the ISO-6429 extension if the bold
	       attribute  is  also  enabled.   The default resource values are
	       respectively, gray30, red, green, yellow, a customizable	 light
	       blue, magenta, cyan, and white.

       color16 (class Color16)

       through

       color255 (class Color255)
	       These  specify  the  colors  for	 the 256-color extension.  The
	       default resource values are for colors 16 through 231 to make a
	       6x6x6  color  cube,  and	 colors	 232  through  255  to	make a
	       grayscale ramp.

	       Resources past color15 are available as a compile-time  option.
	       Due to a hardcoded limit in the X libraries on the total number
	       of resources (to 400), the resources for 256-colors are omitted
	       when  wide-character  support  and  luit	 are enabled.  Besides
	       inconsistent behavior  if  only	part  of  the  resources  were
	       allowed,	 determining  the exact cutoff is difficult, and the X
	       libraries tend to crash if the number of resources exceeds  the
	       limit.	The  color  palette  is	 still initialized to the same
	       default values, and can be modified via control sequences.

	       On the other hand, the resource limit does permit including the
	       entire range for 88-colors.

       colorAttrMode (class ColorAttrMode)
	       Specifies whether colorBD, colorBL, colorRV, and colorUL should
	       override ANSI colors.  If not, these are displayed only when no
	       ANSI  colors have been set for the corresponding position.  The
	       default is “false”.

       colorBD (class ColorBD)
	       This specifies the color to use to display bold	characters  if
	       the  “colorBDMode”  resource is enabled.	 The default is “XtDe‐
	       faultForeground”.

	       See also the veryBoldColors  resource  which  allows  combining
	       bold and color.

       colorBDMode (class ColorAttrMode)
	       Specifies  whether characters with the bold attribute should be
	       displayed in color or as bold characters.   Note	 that  setting
	       colorMode off disables all colors, including bold.  The default
	       is “false”.

       colorBL (class ColorBL)
	       This specifies the color to use to display blink characters  if
	       the  “colorBLMode”  resource is enabled.	 The default is “XtDe‐
	       faultForeground”.

	       See also the veryBoldColors  resource  which  allows  combining
	       underline and color.

       colorBLMode (class ColorAttrMode)
	       Specifies whether characters with the blink attribute should be
	       displayed in color.  Note that setting colorMode	 off  disables
	       all colors, including this.  The default is “false”.

       colorMode (class ColorMode)
	       Specifies  whether  or not recognition of ANSI (ISO-6429) color
	       change escape sequences should  be  enabled.   The  default  is
	       “true”.

       colorRV (class ColorRV)
	       This  specifies	the color to use to display reverse characters
	       if the “colorRVMode”  resource  is  enabled.   The  default  is
	       “XtDefaultForeground”.

	       See  also  the  veryBoldColors  resource which allows combining
	       reverse and color.

       colorRVMode (class ColorAttrMode)
	       Specifies whether characters with the reverse attribute	should
	       be  displayed  in  color.  Note that setting colorMode off dis‐
	       ables all colors, including this.  The default is “false”.

       colorUL (class ColorUL)
	       This specifies the color to use to display  underlined  charac‐
	       ters  if the “colorULMode” resource is enabled.	The default is
	       “XtDefaultForeground”.

	       See also the veryBoldColors  resource  which  allows  combining
	       underline and color.

       colorULMode (class ColorAttrMode)
	       Specifies  whether  characters  with  the  underline  attribute
	       should be displayed in color or as underlined characters.  Note
	       that  setting  colorMode	 off  disables	all  colors, including
	       underlining.  The default is “false”.

       combiningChars (class CombiningChars)
	       Specifies the number of wide-characters which can be stored  in
	       a  cell	to overstrike (combine) with the base character of the
	       cell.  This can be set to values in the	range  0  to  4.   The
	       default is “2”.

       ctrlFKeys (class CtrlFKeys)
	       In  VT220  keyboard  mode (see sunKeyboard resource), specifies
	       the amount by which to shift F1-F12 given  a  control  modifier
	       (CTRL).	This allows you to generate key symbols for F10-F20 on
	       a Sun/PC keyboard.  The default is “10”, which means that  CTRL
	       F1 generates the key symbol for F11.

       curses (class Curses)
	       Specifies  whether or not the last column bug in more(1) should
	       be worked around.  See the -cu option for details.  The default
	       is “false”.

       cursorBlink (class CursorBlink)
	       Specifies  whether  to  make  the cursor blink.	The default is
	       “false”.

	       Xterm uses  two	variables  to  determine  whether  the	cursor
	       blinks.	One is set by this resource.  The other is set by con‐
	       trol sequences (private mode 12 and DECSCUSR).  Xterm tests the
	       XOR of the two variables.

       cursorColor (class CursorColor)
	       Specifies the color to use for the text cursor.	The default is
	       “XtDefaultForeground”.  By default, xterm attempts to keep this
	       color  from  being  the	same as the background color, since it
	       draws the cursor by filling the background of a text cell.  The
	       same  restriction applies to control sequences which may change
	       this color.

	       Setting this resource overrides most of xterm's adjustments  to
	       cursor color.  It will still use reverse-video to disallow some
	       cases, such as a black cursor on a black background.

       cursorOffTime (class CursorOffTime)
	       Specifies the duration of the “off” part of  the	 cursor	 blink
	       cycle-time  in  milliseconds.   The same timer is used for text
	       blinking.  The default is “300”.

       cursorOnTime (class CursorOnTime)
	       Specifies the duration of the “on” part	of  the	 cursor	 blink
	       cycle-time,  in	milliseconds.  The same timer is used for text
	       blinking.  The default is “600”.

       cutNewline (class CutNewline)
	       If “false”, triple clicking to select a line does  not  include
	       the  Newline at the end of the line.  If “true”, the Newline is
	       selected.  The default is “true”.

       cursorUnderLine (class CursorUnderLine)
	       Specifies whether to make the cursor underlined or a box.   The
	       default is “false”.

       cutToBeginningOfLine (class CutToBeginningOfLine)
	       If  “false”, triple clicking to select a line selects only from
	       the current word	 forward.   If	“true”,	 the  entire  line  is
	       selected.  The default is “true”.

       decTerminalID (class DecTerminalID)
	       Specifies  the  emulation  level	 (100=VT100, 220=VT220, etc.),
	       used to	determine  the	type  of  response  to	a  DA  control
	       sequence.   Leading  non-digit  characters  are	ignored, e.g.,
	       “vt100” and “100” are the same.	The default is “420”.

       defaultString (class DefaultString)
	       Specify the character (or string) which xterm  will  substitute
	       when  pasted  text  includes a character which cannot be repre‐
	       sented in the current encoding.	For  instance,	pasting	 UTF-8
	       text  into a display of ISO-8859-1 characters will only be able
	       to display codes 0-255, while UTF-8 text	 can  include  Unicode
	       values above 255.  The default is “#” (a single pound sign).

	       If the undisplayable text would be double-width, xterm will add
	       a space after the “#” character, to give roughly the same  lay‐
	       out on the screen as the original text.

       deleteIsDEL (class DeleteIsDEL)
	       Specifies  whether  the Delete key on the editing keypad should
	       send DEL (127) or the VT220-style Remove	 escape	 sequence.   A
	       “false” value enables the latter.  The default is “Maybe”.

       disallowedColorOps (class DisallowedColorOps)
	       Specify	which  features	 will  be disabled if allowColorOps is
	       false.  This is a comma-separated list of names.	  The  default
	       value is
	       SetColor,GetColor,GetAnsiColor

	       The  names are listed below.  xterm ignores capitalization, but
	       they are shown in mixed-case for clarity.

	       SetColor
		    Set a specific dynamic color.

	       GetColor
		    Report the current setting of a given dynamic color.

	       GetAnsiColor
		    Report the current setting of a given ANSI color (actually
		    any of the colors set via ANSI-style controls).

       disallowedFontOps (class DisallowedFontOps)
	       Specify	which  features	 will  be  disabled if allowFontOps is
	       false.  This is a comma-separated list of names.	  The  default
	       value is
	       SetFont,GetFont

	       The  names are listed below.  xterm ignores capitalization, but
	       they are shown in mixed-case for clarity.

	       SetFont
		    Set the specified font.

	       GetFont
		    Report the specified font.

       disallowedTcapOps (class DisallowedTcapOps)
	       Specify which features will  be	disabled  if  allowTcapOps  is
	       false.	This  is a comma-separated list of names.  The default
	       value is
	       SetTcap,GetTcap

	       The names are listed below.  xterm ignores capitalization,  but
	       they are shown in mixed-case for clarity.

	       SetTcap
		    (not implemented)

	       GetTcap
		    Report specified function- and other special keys.

       disallowedWindowOps (class DisallowedWindowOps)
	       Specify	which  features	 will be disabled if allowWindowOps is
	       false.  This is a comma-separated list of names,	 or  (for  the
	       controls	 adapted  from	dtterm	the  operation	number).   The
	       default value is
	       1,2,3,4,5,6,7,8,9,11,13,14,18,19,20,21,GetSelection,SetSelec‐
	       tion,SetWinLines,SetXprop
       (i.e. no operations are allowed).

	       The  names are listed below.  xterm ignores capitalization, but
	       they are shown in mixed-case for clarity.  Where a  number  can
	       be used as an alternative, it is given in parentheses after the
	       name.

	       GetIconTitle (20)
		    Report xterm window's icon label as a string.

	       GetScreenSizeChars (19)
		    Report the size of the screen in characters as numbers.

	       GetSelection
		    Report selection data as a base64 string.

	       GetWinPosition (13)
		    Report xterm window position as numbers.

	       GetWinSizeChars (18)
		    Report the size of the text area in characters as numbers.

	       GetWinSizePixels (14)
		    Report xterm window in pixels as numbers.

	       GetWinState (11)
		    Report xterm window state as a number.

	       GetWinTitle (21)
		    Report xterm window's title as a string.

	       LowerWin (6)
		    Lower the xterm window  to	the  bottom  of	 the  stacking
		    order.

	       MaximizeWin (9)
		    Maximize window (i.e., resize to screen size).

	       FullscreenWin (10)
		    Use full screen (i.e., resize to screen size, without win‐
		    dow decorations).

	       MinimizeWin (2)
		    Iconify window.

	       PopTitle (23)
		    Pop title from internal stack.

	       PushTitle (22)
		    Push title to internal stack.

	       RaiseWin (5)
		    Raise the xterm window to the front of the stacking order.

	       RefreshWin (7)
		    Refresh the xterm window.

	       RestoreWin (1)
		    De-iconify window.

	       SetSelection
		    Set selection data.

	       SetWinLines
		    Resize to a given number of lines, at least 24.

	       SetWinPosition (3)
		    Move window to given coordinates.

	       SetWinSizeChars (8)
		    Resize the text area to given size in characters.

	       SetWinSizePixels (4)
		    Resize the xterm window to given size in pixels.

	       SetXprop
		    Set X property on top-level window.

       dynamicColors (class DynamicColors)
	       Specifies whether or not	 escape	 sequences  to	change	colors
	       assigned to different attributes are recognized.

       eightBitControl (class EightBitControl)
	       Specifies whether or not control sequences sent by the terminal
	       should  be  eight-bit  characters  or  escape  sequences.   The
	       default is “false”.

       eightBitInput (class EightBitInput)
	       If  “true”,  Meta  characters (a single-byte character combined
	       with the Meta modifier key) input from the  keyboard  are  pre‐
	       sented  as a single character, modified according to the eight‐
	       BitMeta resource.  If “false”, Meta  characters	are  converted
	       into  a	two-character  sequence with the character itself pre‐
	       ceded by ESC.  The default is “true”.

	       The metaSendsEscape and altSendsEscape resources	 may  override
	       this  feature.	Generally  keyboards do not have a key labeled
	       “Meta”, but “Alt” keys are common, and they are	conventionally
	       used  for  “Meta”.  If they were synonymous, it would have been
	       reasonable to name this	resource  “altSendsEscape”,  reversing
	       its  sense.  For more background on this, see the meta function
	       in curses.

	       Note that the Alt key is not necessarily the same as  the  Meta
	       modifier.   xmodmap  lists your key modifiers.  X defines modi‐
	       fiers for shift, (caps) lock and control, as well  as  5	 addi‐
	       tional modifiers which are generally used to configure key mod‐
	       ifiers.	xterm inspects the same information to find the	 modi‐
	       fier  associated with either Meta key (left or right), and uses
	       that key as the Meta modifier.  It also looks for  the  NumLock
	       key, to recognize the modifier which is associated with that.

	       If  your	 xmodmap configuration uses the same keycodes for Alt-
	       and Meta-keys, xterm will only  see  the	 Alt-key  definitions,
	       since  those  are  tested  before Meta-keys.  NumLock is tested
	       first.  It is important to keep these keys distinct;  otherwise
	       some of xterm's functionality is not available.

	       The  eightBitInput  resource  is	 tested	 at  startup time.  If
	       “true”, the xterm tries to put the terminal  into  8-bit	 mode.
	       If  “false”,  on	 startup, xterm tries to put the terminal into
	       7-bit mode.  For	 some  configurations  this  is	 unsuccessful;
	       failure	is  ignored.  After startup, xterm does not change the
	       terminal between 8-bit and 7-bit mode.

	       As originally implemented in X11, the resource  value  did  not
	       change after startup.  However (since patch #216 in 2006) xterm
	       can modify eightBitInput after startup via a control  sequence.
	       The corresponding terminfo capabilities smm (set meta mode) and
	       rmm (reset meta mode) have been recognized  by  bash  for  some
	       time.   Interestingly enough, bash's notion of "meta mode" dif‐
	       fers from the standard definition  (in  the  terminfo  manual),
	       which  describes	 the  change to the eighth bit of a character.
	       It happens that bash views "meta mode"  as  the	ESC  character
	       that  xterm  puts before a character when a special meta key is
	       pressed.	 bash's early documentation talks about the ESC	 char‐
	       acter and ignores the eighth bit.

       eightBitMeta (class EightBitMeta)
	       This  controls  the way xterm modifies the eighth bit of a sin‐
	       gle-byte key when  the  eightBitInput  resource	is  set.   The
	       default is “locale”.

	       The  resource  value  is a string, evaluated as a boolean after
	       startup.

	       false
		    The key is sent unmodified.

	       locale
		    The key is modified only  if  the  locale  uses  eight-bit
		    encoding.

	       true The key is sent modified.

	       never
		    The key is always sent unmodified.

	       Except for the never choice, xterm honors the terminfo capabil‐
	       ities smm (set meta mode) and rmm (reset meta  mode),  allowing
	       the feature to be turned on or off dynamically.

	       If  eightBitMeta	 is  enabled when the locale uses UTF-8, xterm
	       encodes the value as UTF-8 (since patch #183 in 2003).

       eightBitOutput (class EightBitOutput)
	       Specifies whether or not eight-bit  characters  sent  from  the
	       host  should  be	 accepted as is or stripped when printed.  The
	       default is “true”, which means that they are accepted as is.

       eightBitSelectTypes (class EightBitSelectTypes)
	       Override	  xterm's   default   selection	  target   list	  (see
	       SELECT/PASTE)  for selections in normal (ISO-8859-1) mode.  The
	       default is an empty string, i.e., “”, which does	 not  override
	       anything.

       faceName (class FaceName)
	       Specify	the  pattern  for  scalable  fonts  selected  from the
	       FreeType library if support for that library was compiled  into
	       xterm.  There is no default value.

	       If  not	specified, or if there is no match for both normal and
	       bold fonts, xterm uses the bitmap font and related resources.

	       It is possible to select suitable bitmap fonts using  a	script
	       such as this:

		   #!/bin/sh
		   FONT=`xfontsel -print`
		   test -n "$FONT" && xfd -fn "$FONT"

	       However	(even  though  xfd  accepts  a	“-fa” option to denote
	       FreeType fonts), xfontsel has not been similarly extended.   As
	       a workaround, you may try

		   fc-list :scalable=true:spacing=mono: family

	       to  find a list of scalable fixed-pitch fonts which may be used
	       for the faceName resource value.

       faceNameDoublesize (class FaceNameDoublesize)
	       Specify a double-width scalable font for cases where an	appli‐
	       cation  requires	 this, e.g., in CJK applications.  There is no
	       default value.

	       If  the	application  uses  double-wide	characters  and	  this
	       resource	 is  not given, xterm will use a scaled version of the
	       font given by faceName.

       faceSize (class FaceSize)
	       Specify the pointsize for  fonts	 selected  from	 the  FreeType
	       library	if  support  for that library was compiled into xterm.
	       The default is “14.0” On the VT Fonts menu, this corresponds to
	       the Default entry.

	       Although the default is “14.0”, this may not be the same as the
	       pointsize for the default bitmap font, i.e., that assigned with
	       the -fn option, or the font resource.  For example, the “fixed”
	       font usually has a pointsize of “8.0”.  If you set faceSize  to
	       match  the size of the bitmap font, then switching between bit‐
	       map and TrueType fonts via the font menu will  give  comparable
	       sizes for the window.

	       You  can specify the pointsize for TrueType fonts selected with
	       the other size-related menu entries such as Medium, Huge, etc.,
	       by  using  one of the following resource values.	 If you do not
	       specify a value, they default to “0.0”, which causes  xterm  to
	       use  the ratio of font sizes from the corresponding bitmap font
	       resources to obtain a TrueType pointsize.

	       If all of the faceSize resources are set, then xterm  will  use
	       this  information to determine the next smaller/larger TrueType
	       font for the larger-vt-font()  and  smaller-vt-font()  actions.
	       If any are not set, xterm will use only the areas of the bitmap
	       fonts.

       faceSize1 (class FaceSize1)
	       Specifies the pointsize of the first alternative font.

       faceSize2 (class FaceSize2)
	       Specifies the pointsize of the second alternative font.

       faceSize3 (class FaceSize3)
	       Specifies the pointsize of the third alternative font.

       faceSize4 (class FaceSize4)
	       Specifies the pointsize of the fourth alternative font.

       faceSize5 (class FaceSize5)
	       Specifies the pointsize of the fifth alternative font.

       faceSize6 (class FaceSize6)
	       Specifies the pointsize of the sixth alternative font.

       font (class Font)
	       Specifies the name of the normal font.  The default is “fixed”.

	       See the discussion of the locale resource, which describes  how
	       this font may be overridden.

	       NOTE: some resource files use patterns such as

		   *font: fixed

	       which are overly broad, affecting both

		   xterm.vt100.font

	       and

		   xterm.vt100.utf8Fonts.font

	       which is probably not what you intended.

       fastScroll (class FastScroll)
	       Modifies	 the effect of jump scroll (jumpScroll) by suppressing
	       screen refreshes for the special case when output to the screen
	       has  completely shifted the contents off-screen.	 For instance,
	       cat'ing a large file to the screen does this.

       font1 (class Font1)
	       Specifies the name of the first alternative font, corresponding
	       to “Unreadable” in the standard menu.

       font2 (class Font2)
	       Specifies  the name of the second alternative font, correspond‐
	       ing to “Tiny” in the standard menu.

       font3 (class Font3)
	       Specifies the name of the third alternative font, corresponding
	       to “Small” in the standard menu.

       font4 (class Font4)
	       Specifies  the name of the fourth alternative font, correspond‐
	       ing to “Medium” in the standard menu.

       font5 (class Font5)
	       Specifies the name of the fifth alternative font, corresponding
	       to “Large” in the standard menu.

       font6 (class Font6)
	       Specifies the name of the sixth alternative font, corresponding
	       to “Huge” in the standard menu.

       fontDoublesize (class FontDoublesize)
	       Specifies whether xterm should attempt to use font  scaling  to
	       draw  double-sized  characters.	Some older font servers cannot
	       do this properly, will return  misleading  font	metrics.   The
	       default	is  “true”.   If disabled, xterm will simulate double-
	       sized characters	 by  drawing  normal  characters  with	spaces
	       between them.

       fontWarnings (class FontWarnings)
	       Specify	whether	 xterm	should	report an error if it fails to
	       load a font:

	       0    Never report an error (though the X libraries may).

	       1    Report an error if the font name was given as  a  resource
		    setting.

	       2    Always report an error on failure to load a font.

	       The default is “1”.

       forceBoxChars (class ForceBoxChars)
	       Specifies whether xterm should assume the normal and bold fonts
	       have VT100 line-drawing characters:

	       ·   The fixed-pitch ISO-8859-*-encoded fonts used by xterm nor‐
		   mally  have	the  VT100  line-drawing glyphs in cells 1-31.
		   Other fixed-pitch fonts may be more	attractive,  but  lack
		   these glyphs.

	       ·   When	 using	an ISO-10646-1 font and the wideChars resource
		   is true, xterm uses the  Unicode  glyphs  which  match  the
		   VT100 line-drawing glyphs.

	       If  “false”,  xterm  checks  for missing glyphs in the font and
	       makes line-drawing characters directly as needed.   If  “true”,
	       xterm  assumes the font does not contain the line-drawing char‐
	       acters, and draws them directly.	 The default is “false”.

       forcePackedFont (class ForcePackedFont)
	       Specifies whether xterm should use the maximum or minimum glyph
	       width  when  displaying	using  a bitmap font.  Use the maximum
	       width to help with proportional fonts.  The default is  “true”,
	       denoting the minimum width.

       foreground (class Foreground)
	       Specifies  the  color to use for displaying text in the window.
	       Setting the class name instead of the instance name is an  easy
	       way  to	have everything that would normally appear in the text
	       color change color.  The default is “XtDefaultForeground”.

       formatOtherKeys (class FormatOtherKeys)
	       Overrides the format of the escape sequence used to report mod‐
	       ified keys with the modifyOtherKeys resource.

	       0  send	 modified  keys	 as  parameters	 for  function-key  27
		  (default).

	       1  send modified keys as parameters for CSI u.

       freeBoldBox (class FreeBoldBox)
	       Specifies whether xterm should assume the  bounding  boxes  for
	       normal  and  bold fonts are compatible.	If “false”, xterm com‐
	       pares them and will reject choices of bold fonts	 that  do  not
	       match  the  size	 of  the normal font.  The default is “false”,
	       which means that the comparison is performed.

       geometry (class Geometry)
	       Specifies the preferred size and position of the VT102  window.
	       There is no default for this resource.

       highlightColor (class HighlightColor)
	       Specifies  the  color  to  use  for  the background of selected
	       (highlighted) text.   If	 not  specified	 (i.e.,	 matching  the
	       default	foreground),  reverse  video  is used.	The default is
	       “XtDefaultForeground”.

       highlightColorMode (class HighlightColorMode)
	       Specifies whether xterm should use highlightTextColor and high‐
	       lightColor  to override the reversed foreground/background col‐
	       ors in a selection.  The default is  unspecified:  at  startup,
	       xterm checks if those resources are set to something other than
	       the default foreground and  background  colors.	 Setting  this
	       resource disables the check.

	       The  following  table shows the interaction of the highlighting
	       resources, abbreviated as shown to fit in this page:

	       HCM
		  highlightColorMode

	       HR highlightReverse

	       HBG
		  highlightColor

	       HFG
		  highlightTextColor

	       HCM	 HR	 HBG	   HFG	     Highlight
	       ──────────────────────────────────────────────────────
	       false	 false	 default   default   bg/fg
	       false	 false	 default   set	     bg/fg
	       false	 false	 set	   default   fg/HBG
	       false	 false	 set	   set	     fg/HBG
	       ──────────────────────────────────────────────────────
	       false	 true	 default   default   bg/fg
	       false	 true	 default   set	     bg/fg
	       false	 true	 set	   default   fg/HBG
	       false	 true	 set	   set	     fg/HBG
	       ──────────────────────────────────────────────────────
	       true	 false	 default   default   bg/fg
	       true	 false	 default   set	     HFG/fg
	       true	 false	 set	   default   bg/HBG
	       true	 false	 set	   set	     HFG/HBG
	       ──────────────────────────────────────────────────────
	       true	 true	 default   default   fg/fg (useless)
	       true	 true	 default   set	     HFG/fg
	       true	 true	 set	   default   fg/HBG
	       true	 true	 set	   set	     HFG/HBG
	       ──────────────────────────────────────────────────────
	       default	 false	 default   default   bg/fg
	       default	 false	 default   set	     bg/fg
	       default	 false	 set	   default   fg/HBG
	       default	 false	 set	   set	     HFG/HBG
	       ──────────────────────────────────────────────────────
	       default	 true	 default   default   bg/fg
	       default	 true	 default   set	     bg/fg
	       default	 true	 set	   default   fg/HBG
	       default	 true	 set	   set	     HFG/HBG
	       ──────────────────────────────────────────────────────

       highlightReverse (class HighlightReverse)
	       Specifies whether xterm should reverse the selection foreground
	       and  background	colors	when selecting text with reverse-video
	       attribute.  This applies only to the highlightColor  and	 high‐
	       lightTextColor  resources,  e.g.,  to match the color scheme of
	       xwsh.  If “true”, xterm reverses the colors, If “false”,	 xterm
	       does not reverse colors, The default is “true”.

       highlightSelection (class HighlightSelection)
	       If  “false”,  selecting with the mouse highlights all positions
	       on the screen between the beginning of the  selection  and  the
	       current	position.   If “true”, xterm highlights only the posi‐
	       tions that contain text that can be selected.  The  default  is
	       “false”.

	       Depending  on  the  way	your applications write to the screen,
	       there may be trailing blanks on a line.	Xterm stores  data  as
	       it  is  shown  on  the screen.  Erasing the display changes the
	       internal state of each cell so it is not considered a blank for
	       the  purpose of selection.  Blanks written since the last erase
	       are selectable.	If you do not wish to have trailing blanks  in
	       a selection, use the trimSelection resource.

       highlightTextColor (class HighlightTextColor)
	       Specifies  the  color  to  use  for  the foreground of selected
	       (highlighted) text.   If	 not  specified	 (i.e.,	 matching  the
	       default	background),  reverse  video  is used.	The default is
	       “XtDefaultBackground”.

       hpLowerleftBugCompat (class HpLowerleftBugCompat)
	       Specifies whether to work around	 a  bug	 in  HP's  xdb,	 which
	       ignores	termcap	 and  always  sends ESC F to move to the lower
	       left corner.  “true” causes xterm  to  interpret	 ESC  F	 as  a
	       request	to  move  to the lower left corner of the screen.  The
	       default is “false”.

       i18nSelections (class I18nSelections)
	       If false, xterm will not request the targets  COMPOUND_TEXT  or
	       TEXT.   The  default is “true”. It may be set to false in order
	       to work around ICCCM violations by other X clients.

       iconBorderColor (class BorderColor)
	       Specifies the border color for the active icon window  if  this
	       feature	is  compiled into xterm.  Not all window managers will
	       make the icon border visible.

       iconBorderWidth (class BorderWidth)
	       Specifies the border width for the active icon window  if  this
	       feature	is  compiled into xterm.  The default is “2”.  Not all
	       window managers will make the border visible.

       iconFont (class IconFont)
	       Specifies the font for the miniature  active  icon  window,  if
	       this feature is compiled into xterm.  The default is “nil2”.

       initialFont (class InitialFont)
	       Specifies  which	 of  the VT100 fonts to use initially.	Values
	       are the same as for the set-vt-font  action.   The  default  is
	       “d”, i.e., “default”.

       inputMethod (class XtCInputMethod)
	       Tells  xterm  which  type  of input method to use.  There is no
	       default method.

       internalBorder (class BorderWidth)
	       Specifies the number of pixels between the characters  and  the
	       window border.  The default is “2”.

       italicULMode (class ColorAttrMode)
	       Specifies  whether  characters  with  the  underline  attribute
	       should be displayed in an italic font or as underlined  charac‐
	       ters.  It is implemented only for TrueType fonts.

       jumpScroll (class JumpScroll)
	       Specifies whether or not jump scroll should be used.  This cor‐
	       responds to the VT102 DECSCLM private  mode.   The  default  is
	       “true”.	See fastScroll for a variation.

       keepSelection (class KeepSelection)
	       Specifies  whether xterm will keep the selection even after the
	       selected area was touched by some output to the terminal.   The
	       default is “true”.

       keyboardDialect (class KeyboardDialect)
	       Specifies  the initial keyboard dialect, as well as the default
	       value when the terminal is reset.  The value given is the  same
	       as  the	final  character in the control sequences which change
	       character sets.	The default is “B”, which  corresponds	to  US
	       ASCII.

       nameKeymap (class NameKeymap)
	       See the discussion of the keymap() action.

       limitResize (class LimitResize)
	       Limits  resizing	 of the screen via control sequence to a given
	       multiple of the display dimensions.  The default is “1”.

       locale (class Locale)
	       Specifies how to use luit, an encoding converter between	 UTF-8
	       and  locale  encodings.	The resource value (ignoring case) may
	       be:

	       true
		   xterm  will	use  the  encoding  specified  by  the	users'
		   LC_CTYPE locale (i.e., LC_ALL, LC_CTYPE, or LANG variables)
		   as far as possible.	This is realized  by  always  enabling
		   UTF-8 mode and invoking luit in non-UTF-8 locales.

	       medium
		   xterm  will	follow	users' LC_CTYPE locale only for UTF-8,
		   east Asian, and Thai locales, where the encodings were  not
		   supported  by  conventional	8bit mode with changing fonts.
		   For other locales, xterm will use conventional 8bit mode.

	       checkfont
		   If mini-luit is compiled-in, xterm will check if a  Unicode
		   font has been specified.  If so, it checks if the character
		   encoding for	 the  current  locale  is  POSIX,  Latin-1  or
		   Latin-9, uses the appropriate mapping to support those with
		   the Unicode font.  For other encodings, xterm assumes  that
		   UTF-8 encoding is required.

	       false
		   xterm will use conventional 8bit mode or UTF-8 mode accord‐
		   ing to utf8 resource or -u8 option.

	       Any other value, e.g., “UTF-8” or “ISO8859-2”, is assumed to be
	       an encoding name; luit will be invoked to support the encoding.
	       The actual list of supported encodings depends  on  luit.   The
	       default is “medium”.

	       Regardless of your locale and encoding, you need an ISO-10646-1
	       font to display the result.  Your configuration may not include
	       this  font,  or	locale-support by xterm may not be needed.  At
	       startup, xterm uses a  mechanism	 equivalent  to	 the  load-vt-
	       fonts(utf8Fonts, Utf8Fonts)  action  to	load  font name subre‐
	       sources of the VT100 widget.  That is, resource	patterns  such
	       as   “*vt100.utf8Fonts.font”  will  be  loaded,	and  (if  this
	       resource is enabled), override the normal fonts.	 If no	subre‐
	       sources	are  found,  the  normal  fonts such as “*vt100.font”,
	       etc., are used.	The resource files distributed with xterm  use
	       ISO-10646-1 fonts, but do not rely on them unless you are using
	       the locale mechanism.

       localeFilter (class LocaleFilter)
	       Specifies the file name	for  the  encoding  converter  from/to
	       locale encodings and UTF-8 which is used with the -lc option or
	       locale resource.	 The help message shown by “xterm -help” lists
	       the default value, which depends on your system configuration.

	       If the encoding converter requires command-line parameters, you
	       can add those after the command, e.g.,

		   *localeFilter: xterm-filter -p

	       Alternatively, you may  put  those  parameter  within  a	 shell
	       script to execute the converter, and set this resource to point
	       to the shell script.

	       When using a locale-filter, e.g., with the -e  option,  or  the
	       shell,  xterm  first tries passing control via that filter.  If
	       it fails, xterm will retry without  the	locale-filter.	 Xterm
	       warns about the failure before retrying.

       loginShell (class LoginShell)
	       Specifies  whether  or  not  the	 shell to be run in the window
	       should be started as a login shell.  The default is “false”.

       marginBell (class MarginBell)
	       Specifies whether or not the bell should be rung when the  user
	       types near the right margin.  The default is “false”.

       metaSendsEscape (class MetaSendsEscape)
	       If  “true”, Meta characters (a character combined with the Meta
	       modifier key) are converted into a two-character sequence  with
	       the  character itself preceded by ESC.  This applies as well to
	       function key control sequences, unless xterm sees that Meta  is
	       used  in	 your  key  translations.  If “false”, Meta characters
	       input from the keyboard are handled according to the  eightBit‐
	       Input resource.	The default is “False”.

       mkSamplePass (class MkSamplePass)
	       If  mkSampleSize	 is  nonzero,  and  mkWidth (and cjkWidth) are
	       false, on startup xterm compares its  built-in  tables  to  the
	       system's wide character width data to decide if it will use the
	       system's data.  It tests the first mkSampleSize character  val‐
	       ues,  and  allows up to mkSamplePass mismatches before the test
	       fails.  The default (for the allowed number of  mismatches)  is
	       256.

       mkSampleSize (class MkSampleSize)
	       With  mkSamplePass, this specifies a startup test used for ini‐
	       tializing wide character width calculations.  The default (num‐
	       ber of characters to check) is 1024.

       mkWidth (class MkWidth)
	       Specifies  whether  xterm  should use a built-in version of the
	       wide  character	width  calculation.   See  also	 the  cjkWidth
	       resource which can override this.  The default is “false”.

	       Here  is a summary of the resources which control the choice of
	       wide character width calculation:

	       cjkWidth	  mkWidth   Action
	       ───────────────────────────────────────────────────────────────
	       false	  false	    use system tables subject to mkSamplePass
	       false	  true	    use built-in tables
	       true	  false	    use built-in CJK tables
	       true	  true	    use built-in CJK tables

       modifyCursorKeys (class ModifyCursorKeys)
	       Tells how to handle the special case  where  Control-,  Shift-,
	       Alt-  or	 Meta-modifiers	 are  used  to	add a parameter to the
	       escape sequence returned by a cursor-key.  The default is “2”:

	       -1   disables the feature.

	       0    uses the old/obsolete behavior.

	       1    prefixes modified sequences with CSI.

	       2    forces the modifier to be the second parameter if it would
		    otherwise be the first.

	       3    marks the sequence with a “>” to hint that it is private.

       modifyFunctionKeys (class ModifyFunctionKeys)
	       Tells  how  to  handle the special case where Control-, Shift-,
	       Alt- or Meta-modifiers are used	to  add	 a  parameter  to  the
	       escape  sequence	 returned  by  a (numbered) function-key.  The
	       default is “2”.	The resource values are similar to  modifyCur‐
	       sorKeys:

	       -1   permits  the  user	to use shift- and control-modifiers to
		    construct function-key strings using the  normal  encoding
		    scheme.

	       0    uses the old/obsolete behavior.

	       1    prefixes modified sequences with CSI.

	       2    forces the modifier to be the second parameter if it would
		    otherwise be the first.

	       3    marks the sequence with a “>” to hint that it is private.

	       If modifyFunctionKeys is zero, xterm uses Control-  and	Shift-
	       modifiers to allow the user to construct numbered function-keys
	       beyond the set provided by the keyboard:

	       Control
		    adds the value given by the ctrlFKeys resource.

	       Shift
		    adds twice the value given by the ctrlFKeys resource.

	       Control/Shift
		    adds  three	 times	the  value  given  by  the   ctrlFKeys
		    resource.

       modifyKeyboard (class ModifyKeyboard)
	       Normally xterm makes a special case regarding modifiers (shift,
	       control, etc.)  to handle special keyboard layouts (legacy  and
	       vt220).	 This  is done to provide compatible keyboards for DEC
	       VT220 and related terminals that	 implement  user-defined  keys
	       (UDK).

	       The  bits of the resource value selectively enable modification
	       of the given category when these keyboards are  selected.   The
	       default is “0”:

	       0    The legacy/vt220 keyboards interpret only the Control-mod‐
		    ifier when	constructing  numbered	function-keys.	 Other
		    special keys are not modified.

	       1    allows modification of the numeric keypad

	       2    allows modification of the editing keypad

	       4    allows  modification  of  function-keys,  overrides use of
		    Shift-modifier for UDK.

	       8    allows modification of other special keys

       modifyOtherKeys (class ModifyOtherKeys)
	       Like modifyCursorKeys,  tells  xterm  to	 construct  an	escape
	       sequence	 for  other  keys  (such as “2”) when modified by Con‐
	       trol-, Alt- or Meta-modifiers.  This feature does not apply  to
	       function	 keys and well-defined keys such as ESC or the control
	       keys.  The default is “0”:

	       0    disables this feature.

	       1    enables this feature for keys except for those with	 well-
		    known behavior, e.g., Tab, Backarrow and some special con‐
		    trol character cases, e.g., Control-Space to make a NUL.

	       2    enables this feature for  keys  including  the  exceptions
		    listed.

       multiClickTime (class MultiClickTime)
	       Specifies  the maximum time in milliseconds between multi-click
	       select events.  The default is “250” milliseconds.

       multiScroll (class MultiScroll)
	       Specifies  whether  or  not  scrolling  should  be  done	 asyn‐
	       chronously.  The default is “false”.

       nMarginBell (class Column)
	       Specifies  the  number  of  characters from the right margin at
	       which the margin bell should  be	 rung,	when  enabled  by  the
	       marginBell resource.  The default is “10”.

       numLock (class NumLock)
	       If  “true”,  xterm checks if NumLock is used as a modifier (see
	       xmodmap(1)).  If so, this modifier  is  used  to	 simplify  the
	       logic  when  implementing  special  NumLock for the sunKeyboard
	       resource.  Also (when sunKeyboard is false), similar  logic  is
	       used  to	 find  the modifier associated with the left and right
	       Alt keys.  The default is “true”.

       oldXtermFKeys (class OldXtermFKeys)
	       If “true”, xterm will use old-style control sequences for func‐
	       tion  keys F1 to F4, for compatibility with X Consortium xterm.
	       Otherwise, it uses the VT100-style codes for PF1 to  PF4.   The
	       default is “false”.

       on2Clicks (class On2Clicks)

       on3Clicks (class On3Clicks)

       on4Clicks (class On4Clicks)

       on5Clicks (class On5Clicks)
	       Specify	selection  behavior  in	 response  to  multiple	 mouse
	       clicks.	 A  single  mouse  click  is  always  interpreted   as
	       described in the SELECTION section (see POINTER USAGE).	Multi‐
	       ple mouse clicks (using the button which activates the  select-
	       start  action) are interpreted according to the resource values
	       of on2Clicks, etc.  The resource value can be one of these:

	       word
		  Select a “word” as determined	 by  the  charClass  resource.
		  See the CHARACTER CLASSES section.

	       line
		  Select a line (counting wrapping).

	       group
		  Select  a  group of adjacent lines (counting wrapping).  The
		  selection stops on a blank line, and does not extend outside
		  the current page.

	       page
		  Select all visible lines, i.e., the page.

	       all
		  Select all lines, i.e., including the saved lines.

	       regex
		  Select  a  “word”  as	 determined  by the regular expression
		  which follows in the resource value.

	       none
		  No selection action is associated with this resource.	 xterm
		  interprets  it as the end of the list.  For example, you may
		  use it to disable triple (and higher)	 clicking  by  setting
		  on3Clicks to “none”.

	       The  default  values for on2Clicks and on3Clicks are “word” and
	       “line”, respectively.  There is no default value for  on4Clicks
	       or  on5Clicks, making those inactive.  On startup, xterm deter‐
	       mines the maximum number of clicks by  the  onXClicks  resource
	       values which are set.

       openIm (class XtCOpenIm)
	       Tells  xterm  whether to open the input method at startup.  The
	       default is “true”.

       pointerColor (class PointerColor)
	       Specifies the foreground color of the pointer.  The default  is
	       “XtDefaultForeground”.

       pointerColorBackground (class PointerColorBackground)
	       Specifies  the background color of the pointer.	The default is
	       “XtDefaultBackground”.

       pointerMode (class PointerMode)
	       Specifies when the pointer may be hidden as the user types.  It
	       will  be redisplayed if the user moves the mouse, or clicks one
	       of its buttons.

	       0  never

	       1  the application running in xterm  has	 not  activated	 mouse
		  mode.	 This is the default.

	       2  always.

       pointerShape (class Cursor)
	       Specifies the name of the shape of the pointer.	The default is
	       “xterm”.

       popOnBell (class PopOnBell)
	       Specifies whether the window would be raised when Control-G  is
	       received.  The default is “false”.

	       If  the	window is iconified, this has no effect.  However, the
	       zIconBeep resource provides you with the ability to  see	 which
	       iconified windows have sounded a bell.

       precompose (class XtCPrecompose)
	       Tells xterm whether to precompose UTF-8 data into Normalization
	       Form C, which combines commonly-used accents onto base  charac‐
	       ters.   If  it does not do this, accents are left as separatate
	       characters.  The default is “true”.

       preeditType (class XtCPreeditType)
	       Tells xterm which types of preedit  (preconversion)  string  to
	       display.	 The default is “OverTheSpot,Root”.

       printAttributes (class PrintAttributes)
	       Specifies  whether  to  print graphic attributes along with the
	       text.  A real DEC VTxxx	terminal  will	print  the  underline,
	       highlighting codes but your printer may not handle these.

	       ·   “0” disables the attributes.

	       ·   “1”	prints	the normal set of attributes (bold, underline,
		   inverse and blink) as VT100-style control sequences.

	       ·   “2” prints ANSI color attributes as well.

	       The default is “1”.

       printFileImmediate (PrintFileImmediate)
	       When the print-immediate action is invoked,  xterm  prints  the
	       screen  contents	 directly to a file.  Set this resource to the
	       prefix of the filename (a timestamp will	 be  appended  to  the
	       actual name).

	       The  default  is	 an  empty string, i.e., “”, However, when the
	       print-immediate action is invoked, if the string is empty, then
	       “XTerm” is used.

       printFileOnXError (PrintFileOnXError)
	       If xterm exits with an X error, e.g., your connection is broken
	       when the server crashes, it can be told to write	 the  contents
	       of  the	screen	to  a  file.   To enable the feature, set this
	       resource to the prefix of the filename  (a  timestamp  will  be
	       appended to the actual name).

	       The  default  is an empty string, i.e., “”, which disables this
	       feature.	 However, when the print-on-error action  is  invoked,
	       if the string is empty, then “XTermError” is used.

	       These error codes are handled: ERROR_XERROR, ERROR_XIOERROR and
	       ERROR_ICEERROR.

       printModeImmediate (PrintModeImmediate)
	       When the print-immediate action is invoked,  xterm  prints  the
	       screen  contents directly to a file.  You can use the printMod‐
	       eImmediate resource to tell  it	to  use	 escape	 sequences  to
	       reconstruct  the	 video	attributes  and colors.	 This uses the
	       same values as the printAttributes resource.   The  default  is
	       “0”.

       printModeOnXError (PrintModeOnXError)
	       Xterm   implements  the	printFileOnXError  feature  using  the
	       printer feature, although the output is written directly	 to  a
	       file.  You can use the printModeOnXError resource to tell it to
	       use escape sequences to reconstruct the	video  attributes  and
	       colors.	 This  uses  the  same	values	as the printAttributes
	       resource.  The default is “0”.

       printOptsImmediate (PrintOptsImmediate)
	       Specify the range of text which is printed to a file  when  the
	       print-immediately action is invoked.

	       ·   If zero (0), then this selects the current (visible screen)
		   plus the saved lines, except if  the	 alternate  screen  is
		   being  used.	  In  that  case, only the alternate screen is
		   selectd.

	       ·   If nonzero, the bits of this	 resource  value  (checked  in
		   descending order) select the range:

		   8  selects the saved lines.

		   4  selects the alternate screen.

		   2  selects the normal screen.

		   1  selects the current screen, which can be either the nor‐
		      mal or alternate screen.

	       The default is “9”, which selects the  current  visible	screen
	       plus  saved  lines,  with  no  special  case for the alternated
	       screen.

       printOptsOnXError (PrintOptsOnXError)
	       Specify the range of text which is printed to a file  when  the
	       print-on-error action is invoked.  The resource value is inter‐
	       preted the same as in printOptsImmediate.

	       The default is “9”, which selects the  current  visible	screen
	       plus  saved  lines,  with  no  special  case for the alternated
	       screen.

       printerAutoClose (class PrinterAutoClose)
	       If “true”, xterm will close  the	 printer  (a  pipe)  when  the
	       application switches the printer offline with a Media Copy com‐
	       mand.  The default is “false”.

       printerCommand (class PrinterCommand)
	       Specifies a shell command to which xterm will open a pipe  when
	       the first MC (Media Copy) command is initiated.	The default is
	       an empty string, i.e., “”.  If the resource value is  given  as
	       an empty string, the printer is disabled.

       printerControlMode (class PrinterControlMode)
	       Specifies  the  printer	control mode.  A “1” selects autoprint
	       mode, which causes xterm to print a line from the  screen  when
	       you  move  the cursor off that line with a line feed, form feed
	       or vertical tab character, or an	 autowrap  occurs.   Autoprint
	       mode  is	 overridden  by printer controller mode (a “2”), which
	       causes all of the output to be directed to  the	printer.   The
	       default is “0”.

       printerExtent (class PrinterExtent)
	       Controls	 whether  a  print page function will print the entire
	       page (true), or only the the portion within the scrolling  mar‐
	       gins (false).  The default is “false”.

       printerFormFeed (class PrinterFormFeed)
	       Controls	 whether a form feed is sent to the printer at the end
	       of a print page function.  The default is “false”.

       printerNewLine (class PrinterNewLine)
	       Controls whether a newline is sent to the printer at the end of
	       a print page function.  The default is “true”.

       privateColorRegisters (class privateColorRegisters)
	       If  true,  allocate  separate  color  registers	for each sixel
	       device control string, e.g., for DECGCI.	 If  not  true,	 color
	       registers  are allocated only once, when the terminal is reset.
	       The default is “true”.

       quietGrab (class QuietGrab)
	       Controls whether the cursor is repainted	 when  NotifyGrab  and
	       NotifyUngrab  event  types are received during change of focus.
	       The default is “false”.

       renderFont (class RenderFont)
	       If xterm is built with the Xft library, this  controls  whether
	       the faceName resource is used.  The default is “default”.

	       The  resource  values  are strings, evaluated as booleans after
	       startup.

	       false
		    disable the feature and use the normal (bitmap) font.

	       true
		    startup using the TrueType font specified by the  faceName
		    and	 faceSize resource settings.  If there is no value for
		    faceName, disable the feature and use the normal  (bitmap)
		    font.

		    After  startup,  you  can  still switch to/from the bitmap
		    font using the “TrueType Fonts” menu entry.

	       default
		    startup using the normal (bitmap)  font,  but  enable  the
		    “TrueType  Fonts”  menu  entry  to allow runtime switching
		    to/from TrueType fonts.

		    If there is no faceName resource set, then runtime switch‐
		    ing	 to  TrueType fonts is disabled.  Xterm has a separate
		    compiled-in value for faceName for the special case	 where
		    renderFont is “default”.  That is normally “mono”.

       resizeGravity (class ResizeGravity)
	       Affects the behavior when the window is resized to be taller or
	       shorter.	 NorthWest specifies that the top line of text on  the
	       screen  stay  fixed.   If the window is made shorter, lines are
	       dropped from the bottom; if the window is  made	taller,	 blank
	       lines  are  added  at  the bottom.  This is compatible with the
	       behavior in R4.	SouthWest (the	default)  specifies  that  the
	       bottom line of text on the screen stay fixed.  If the window is
	       made taller, additional saved lines will be scrolled down  onto
	       the  screen;  if	 the  window  is  made	shorter, lines will be
	       scrolled off the top of the screen, and	the  top  saved	 lines
	       will be dropped.

       retryInputMethod (class XtCRetryInputMethod)
	       Tells  xterm  how many times to retry, in case the input-method
	       server is not responding.   This	 is  a	different  issue  than
	       unsupported  preedit  type,  etc.  You may encounter retries if
	       your X configuration (and its libraries)	 are  missing  pieces.
	       Setting	this  resource to zero ``0'' will cancel the retrying.
	       The default is ``3''.

       reverseVideo (class ReverseVideo)
	       Specifies whether or not reverse	 video	should	be  simulated.
	       The default is “false”.

	       There are several aspects to reverse video in xterm:

	       ·   The	command-line  -rv  option  tells  the  X  libraries to
		   reverse the foreground and background colors.  Xterm's com‐
		   mand-line  options set resource values.  In particular, the
		   X Toolkit sets  the	reverseVideo  resource	when  the  -rv
		   option is used.

	       ·   If  the  user has also used command-line options -fg or -bg
		   to set the foreground and background colors, xterm does not
		   see	these  options	directly.   Instead,  it  examines the
		   resource values to reconstruct  the	command-line  options,
		   and	determine  which  of the colors is the user's intended
		   foreground, etc.  Their actual values are irrelevant to the
		   reverse  video  function;  some users prefer the X defaults
		   (black text on a white  background),	 others	 prefer	 white
		   text on a black background.

	       ·   After  startup,  the	 user  can  toggle the “Enable Reverse
		   Video” menu entry.  This exchanges the  current  foreground
		   and background colors of the VT100 widget, and repaints the
		   screen.  Because of the X resource hierarchy, the reverseV‐
		   ideo resource applies to more than the VT100 widget.

	       Programs	 running in an xterm can also use control sequences to
	       enable the VT100 reverse video mode.  These are independent  of
	       the  reverseVideo resource and the menu entry.  Xterm exchanges
	       the current foreground and background colors when drawing  text
	       affected by these control sequences.

	       Other control sequences can alter the foreground and background
	       colors which are used:

	       ·   Programs can also use the ANSI color control	 sequences  to
		   set the foreground and background colors.

	       ·   Extensions  to the ANSI color controls (such as 16-, 88- or
		   256-colors) are treated similarly to the ANSI control.

	       ·   Using other control sequences (the  “dynamic	 colors”  fea‐
		   ture),  a  program can change the foreground and background
		   colors.

       reverseWrap (class ReverseWrap)
	       Specifies whether or not reverse-wraparound should be  enabled.
	       This  corresponds  to  xterm's private mode 45.	The default is
	       “false”.

       rightScrollBar (class RightScrollBar)
	       Specifies whether or not the scrollbar should be	 displayed  on
	       the right rather than the left.	The default is “false”.

       saveLines (class SaveLines)
	       Specifies  the  number  of  lines to save beyond the top of the
	       screen when a scrollbar is turned on.  The default is “64”.

       scrollBar (class ScrollBar)
	       Specifies whether or not the  scrollbar	should	be  displayed.
	       The default is “false”.

       scrollBarBorder (class ScrollBarBorder)
	       Specifies the width of the scrollbar border.  Note that this is
	       drawn to overlap the border of the xterm window.	 Modifying the
	       scrollbar's border affects only the line between the VT100 wid‐
	       get and the scrollbar.  The default value is 1.

       scrollKey (class ScrollCond)
	       Specifies whether or not pressing a  key	 should	 automatically
	       cause  the  scrollbar  to  go  to  the  bottom of the scrolling
	       region.	This corresponds to xterm's private  mode  1011.   The
	       default is “false”.

       scrollLines (class ScrollLines)
	       Specifies  the number of lines that the scroll-back and scroll-
	       forw actions should use as a default.  The default value is 1.

       scrollTtyOutput (class ScrollCond)
	       Specifies whether or not output to the terminal should automat‐
	       ically cause the scrollbar to go to the bottom of the scrolling
	       region.	The default is “true”.

       selectToClipboard (class SelectToClipboard)
	       Tells xterm whether to use the PRIMARY or CLIPBOARD for	SELECT
	       tokens  in  the selection mechanism.  The set-select action can
	       change this at runtime, allowing the user to work with programs
	       that  handle  only  one	of  these  mechanisms.	The default is
	       “false”, which tells it to use PRIMARY.

       shiftFonts (class ShiftFonts)
	       Specifies whether to enable the	actions	 larger-vt-font()  and
	       smaller-vt-font(),  which  are  normally	 bound	to the shifted
	       KP_Add and KP_Subtract.	The default is “true”.

       showBlinkAsBold (class ShowBlinkAsBold)
	       Tells xterm whether to display text  with  blink-attribute  the
	       same  as	 bold.	 If  xterm  has not been configured to support
	       blinking text, the default  is  “true”,	which  corresponds  to
	       older versions of xterm, otherwise the default is “false”.

       showMissingGlyphs (class ShowMissingGlyphs)
	       Tells  xterm  whether to display a box outlining places where a
	       character has been used that the font does not represent.   The
	       default is “false”.

       showWrapMarks (class ShowWrapMarks)
	       For  debugging  xterm  and applications that may manipulate the
	       wrapped-line flag by writing text at the right margin,  show  a
	       mark  on	 the right inner-border of the window.	The mark shows
	       which lines have the flag set.

       signalInhibit (class SignalInhibit)
	       Specifies whether or not the entries in the “Main Options” menu
	       for sending signals to xterm should be disallowed.  The default
	       is “false”.

       sixelScrolling (class SixelScrolling)
	       If true, graphics scroll up one line  at	 a  time  when	sixels
	       would  be  written  past	 the  bottom  line on the window.  The
	       default is “false”.

       tekGeometry (class Geometry)
	       Specifies the preferred size and position of the Tektronix win‐
	       dow.  There is no default for this resource.

       tekInhibit (class TekInhibit)
	       Specifies whether or not the escape sequence to enter Tektronix
	       mode should be ignored.	The default is “false”.

       tekSmall (class TekSmall)
	       Specifies whether or not the Tektronix mode window should start
	       in its smallest size if no explicit geometry is given.  This is
	       useful when running xterm on displays with small screens.   The
	       default is “false”.

       tekStartup (class TekStartup)
	       Specifies  whether  or  not  xterm should start up in Tektronix
	       mode.  The default is “false”.

       tiXtraScroll (class TiXtraScroll)
	       Specifies whether xterm should scroll to a new page  when  pro‐
	       cessing	the ti termcap entry, i.e., the private modes 47, 1047
	       or 1049.	 This is only in  effect  if  titeInhibit  is  “true”,
	       because	the  intent  of this option is to provide a picture of
	       the full-screen application's display on the scrollback without
	       wiping  out the text that would be shown before the application
	       was initialized.	 The default for this resource is “false”.

       titeInhibit (class TiteInhibit)
	       Specifies whether or not xterm should remove ti and te  termcap
	       entries (used to switch between alternate screens on startup of
	       many screen-oriented programs) from  the	 TERMCAP  string.   If
	       set,  xterm  also  ignores the escape sequence to switch to the
	       alternate screen.  Xterm supports terminfo in a different  way,
	       supporting  composite  control sequences (also known as private
	       modes) 1047, 1048 and 1049 which have the same  effect  as  the
	       original 47 control sequence.  The default for this resource is
	       “false”.

       titleModes (class TitleModes)
	       Tells xterm whether to accept or return window- and icon-labels
	       in ISO-8859-1 (the default) or UTF-8.  Either can be encoded in
	       hexadecimal.  The default for this resource is “0”.

	       Each bit (bit “0” is 1, bit “1” is 2, etc.)  corresponds to one
	       of the parameters set by the title modes control sequence:

	       0    Set window/icon labels using hexadecimal

	       1    Query window/icon labels using hexadecimal

	       2    Set	 window/icon  labels  using UTF-8 (overrides utf8Title
		    resource).

	       3    Query window/icon labels using UTF-8

       translations (class Translations)
	       Specifies the key and button bindings  for  menus,  selections,
	       “programmed  strings”,  etc.   The translations resource, which
	       provides much of xterm's configurability, is a feature of the X
	       Toolkit Intrinsics library (Xt).	 See the ACTIONS section.

       trimSelection (class TrimSelection)
	       If  you	set  highlightSelection, you can see the text which is
	       selected, including any trailing spaces.	 Clearing  the	screen
	       (or  a  line)  resets it to a state containing no spaces.  Some
	       lines may contain trailing spaces when  an  application	writes
	       them  to	 the screen.  However, you may not wish to paste lines
	       with trailing spaces.  If this resource	is  true,  xterm  will
	       trim  trailing spaces from text which is selected.  It does not
	       affect spaces which result in a wrapped line, nor will it  trim
	       the  trailing  newline  from  your  selection.	The default is
	       “false”.

       underLine (class UnderLine)
	       This specifies whether or not text with the underline attribute
	       should be underlined.  It may be desirable to disable underlin‐
	       ing when color is being used for the underline attribute.   The
	       default is “true”.

       useClipping (class UseClipping)
	       Tell  xterm whether to use clipping to keep from producing dots
	       outside the text drawing area.  Originally used to work	around
	       for overstriking effects, this is also needed to work with some
	       incorrectly-sized fonts.	 The default is “true”.

       utf8 (class Utf8)
	       This specifies whether xterm will run in UTF-8  mode.   If  you
	       set  this resource, xterm also sets the wideChars resource as a
	       side-effect.  The resource can be set via the menu entry “UTF-8
	       Encoding”.  The default is “default”.

	       Xterm  accepts  either  a keyword (ignoring case) or the number
	       shown in parentheses:

	       false (0)
		  UTF-8 mode is initially off.	The  command-line  option  +u8
		  sets the resource to this value.  Escape sequences for turn‐
		  ing UTF-8 mode on/off are allowed.

	       true (1)
		  UTF-8 mode is initially on.  Escape  sequences  for  turning
		  UTF-8 mode on/off are allowed.

	       always (2)
		  The command-line option -u8 sets the resource to this value.
		  Escape sequences for turning UTF-8 mode on/off are ignored.

	       default (3)
		  This is the default value of the resource.   It  is  changed
		  during   initialization  depending  on  whether  the	locale
		  resource was set, to false  (0)  or  always  (2).   See  the
		  locale  resource  for	 additional  discussion	 of  non-UTF-8
		  locales.

	       If you want to set the value of utf8,  it  should  be  in  this
	       range.  Other nonzero values are treated the same as “1”, i.e.,
	       UTF-8 mode is initially on, and escape  sequences  for  turning
	       UTF-8 mode on/off are allowed.

       utf8Fonts (class Utf8Fonts)
	       See  the	 discussion  of	 the  locale resource.	This specifies
	       whether xterm will use UTF-8 fonts specified via resource  pat‐
	       terns  such  as	“*vt100.utf8Fonts.font” or normal (ISO-8859-1)
	       fonts via patterns such as “*vt100.font”.  The resource can  be
	       set   via  the  menu  entry  “UTF-8  Fonts”.   The  default  is
	       “default”.

	       Xterm accepts either a keyword (ignoring case)  or  the	number
	       shown in parentheses:

	       false (0)
		      Use  the	ISO-8859-1  fonts.  The menu entry is enabled,
		      allowing the choice of fonts to be changed at runtime.

	       true (1)
		      Use the UTF-8 fonts.  The menu entry is enabled,	allow‐
		      ing the choice of fonts to be changed at runtime.

	       always (2)
		      Always use the UTF-8 fonts.  This also disables the menu
		      entry.

	       default (3)
		      At startup, the  resource	 is  set  to  true  or	false,
		      according to the effective value of the utf8 resource.

       utf8Latin1 (class Utf8Latin1)
	       If true, allow an ISO-8859-1 normal font to be combined with an
	       ISO-10646-1 font if the latter is given via the -fw  option  or
	       its corresponding resource value.  The default is “false”.

       utf8SelectTypes (class Utf8SelectTypes)
	       Override	  xterm's   default   selection	  target   list	  (see
	       SELECT/PASTE) for selections in	wide-character	(UTF-8)	 mode.
	       The  default is an empty string, i.e., “”, which does not over‐
	       ride anything.

       utf8Title (class Utf8Title)
	       Applications  can  set  xterm's	title  by  writing  a  control
	       sequence.   Normally  this  control  sequence follows the VT220
	       convention, which encodes the string in ISO-8859-1  and	allows
	       for an 8-bit string terminator.	If xterm is started in a UTF-8
	       locale, it translates the ISO-8859-1 string to  UTF-8  to  work
	       with the X libraries which assume the string is UTF-8.

	       However, some users may wish to write a title string encoded in
	       UTF-8.  The window manager is responsible  for  drawing	window
	       titles.	 Some window managers (not all) support UTF-8 encoding
	       of window titles.  Set this resource to “true” to  allow	 UTF-8
	       encoded	title strings.	That cancels the translation to UTF-8,
	       allowing UTF-8 strings to be displayed as is.

	       This feature is available as a menu entry, since it is  related
	       to  the	particular  applications you are running within xterm.
	       You can also use a control  sequence  (see  the	discussion  of
	       “Title  Modes”  in  the	control sequences document), to set an
	       equivalent flag.	 The titleModes resource sets the same	value,
	       which overrides this resource.

	       The default is “false”.

       veryBoldColors (class VeryBoldColors)
	       Specifies whether to combine video attributes with colors spec‐
	       ified by colorBD, colorBL, colorRV and colorUL.	 The  resource
	       value is the sum of values for each attribute:
		 1 for reverse,
		 2 for underline,
		 4 for bold and
		 8 for blink.

	       The default is “0”.

       visualBell (class VisualBell)
	       Specifies whether or not a visible bell (i.e., flashing) should
	       be used instead of an audible bell when Control-G is  received.
	       The  default  is	 “false”,  which tells xterm to use an audible
	       bell.

       visualBellDelay (class VisualBellDelay)
	       Number of milliseconds to delay when displaying a visual	 bell.
	       Default	is  100.  If set to zero, no visual bell is displayed.
	       This is useful for very slow displays, e.g., an LCD display  on
	       a laptop.

       visualBellLine (class VisualBellLine)
	       Specifies  whether to flash only the current line when display‐
	       ing a visual bell.  rather than flashing the entire screen: The
	       default	is  “false”,  which  tells  xterm  to flash the entire
	       screen.

       vt100Graphics (class VT100Graphics)
	       This specifies whether xterm will interpret VT100 graphic char‐
	       acter  escape  sequences	 while	in UTF-8 mode.	The default is
	       “true”, to provide support for various legacy applications.

       wideBoldFont (class WideBoldFont)
	       This option specifies the font to be used for  displaying  bold
	       wide  text.  By default, it will attempt to use a font twice as
	       wide as the font that will be used to draw bold	text.	If  no
	       double-width  font  is  found, it will improvise, by stretching
	       the bold font.

       wideChars (class WideChars)
	       Specifies if xterm should respond  to  control  sequences  that
	       process 16-bit characters.  The default is “false”.

       wideFont (class WideFont)
	       This  option  specifies the font to be used for displaying wide
	       text.  By default, it will attempt to use a font twice as  wide
	       as  the font that will be used to draw normal text.  If no dou‐
	       ble-width font is found, it will improvise, by  stretching  the
	       normal font.

       ximFont (class XimFont)
	       This  option  specifies	the font to be used for displaying the
	       preedit string in the “OverTheSpot” input method.

	       In “OverTheSpot”	 preedit  type,	 the  preedit  (preconversion)
	       string  is  displayed at the position of the cursor.  It is the
	       XIM server's responsibility to display the preedit string.  The
	       XIM  client  must inform the XIM server of the cursor position.
	       For best results, the preedit string must be displayed  with  a
	       proper  font.   Therefore,  xterm informs the XIM server of the
	       proper font.  The font is be supplied  by  a  "fontset",	 whose
	       default	value  is “*”.	This matches every font, the X library
	       automatically chooses fonts with proper charsets.  The  ximFont
	       resource is provided to override this default font setting.

   Tek4014 Widget Resources
       The  following  resources  are  specified as part of the tek4014 widget
       (class  Tek4014).   These   are	 specified   by	  patterns   such   as
       “XTerm.tek4014.NAME”:

       font2 (class Font)
	       Specifies font number 2 to use in the Tektronix window.

       font3 (class Font)
	       Specifies font number 3 to use in the Tektronix window.

       fontLarge (class Font)
	       Specifies the large font to use in the Tektronix window.

       fontSmall (class Font)
	       Specifies the small font to use in the Tektronix window.

       ginTerminator (class GinTerminator)
	       Specifies  what character(s) should follow a GIN report or sta‐
	       tus report.  The possibilities are “none”, which sends no  ter‐
	       minating	 characters,  “CRonly”,	 which sends CR, and “CR&EOT”,
	       which sends both CR and EOT.  The default is “none”.

       height (class Height)
	       Specifies the height of the Tektronix window in pixels.

       initialFont (class InitialFont)
	       Specifies which of the four Tektronix fonts to  use  initially.
	       Values  are  the	 same  as  for	the  set-tek-text action.  The
	       default is “large”.

       width (class Width)
	       Specifies the width of the Tektronix window in pixels.

   Menu Resources
       The resources that may be specified for the various menus are described
       in  the	documentation  for the Athena SimpleMenu widget.  The name and
       classes of  the	entries	 in  each  of  the  menus  are	listed	below.
       Resources  named	 “lineN” where N is a number are separators with class
       SmeLine.

       As with all X resource-based widgets, the labels mentioned are  custom‐
       ary defaults for the application.

       The Main Options menu (widget name mainMenu) has the following entries:

       toolbar (class SmeBSB)
	       This entry invokes the set-toolbar(toggle) action.

       securekbd (class SmeBSB)
	       This entry invokes the secure() action.

       allowsends (class SmeBSB)
	       This entry invokes the allow-send-events(toggle) action.

       redraw (class SmeBSB)
	       This entry invokes the redraw() action.

       logging (class SmeBSB)
	       This entry invokes the logging(toggle) action.

       print-immediate (class SmeBSB)
	       This entry invokes the print-immediate() action.

       print-on-error (class SmeBSB)
	       This entry invokes the print-on-error() action.

       print (class SmeBSB)
	       This entry invokes the print() action.

       print-redir (class SmeBSB)
	       This entry invokes the print-redir() action.

       8-bit-control (class SmeBSB)
	       This entry invokes the set-8-bit-control(toggle) action.

       backarrow key (class SmeBSB)
	       This entry invokes the set-backarrow(toggle) action.

       num-lock (class SmeBSB)
	       This entry invokes the set-num-lock(toggle) action.

       alt-esc (class SmeBSB)
	       This entry invokes the alt-sends-escape(toggle) action.

       meta-esc (class SmeBSB)
	       This entry invokes the meta-sends-escape(toggle) action.

       delete-is-del (class SmeBSB)
	       This entry invokes the delete-is-del(toggle) action.

       oldFunctionKeys (class SmeBSB)
	       This entry invokes the old-function-keys(toggle) action.

       hpFunctionKeys (class SmeBSB)
	       This entry invokes the hp-function-keys(toggle) action.

       scoFunctionKeys (class SmeBSB)
	       This entry invokes the sco-function-keys(toggle) action.

       sunFunctionKeys (class SmeBSB)
	       This entry invokes the sun-function-keys(toggle) action.

       sunKeyboard (class SmeBSB)
	       This entry invokes the sunKeyboard(toggle) action.

       suspend (class SmeBSB)
	       This entry invokes the send-signal(tstp) action on systems that
	       support job control.

       continue (class SmeBSB)
	       This entry invokes the send-signal(cont) action on systems that
	       support job control.

       interrupt (class SmeBSB)
	       This entry invokes the send-signal(int) action.

       hangup (class SmeBSB)
	       This entry invokes the send-signal(hup) action.

       terminate (class SmeBSB)
	       This entry invokes the send-signal(term) action.

       kill (class SmeBSB)
	       This entry invokes the send-signal(kill) action.

       quit (class SmeBSB)
	       This entry invokes the quit() action.

       The VT Options menu (widget name vtMenu) has the following entries:

       scrollbar (class SmeBSB)
	       This entry invokes the set-scrollbar(toggle) action.

       jumpscroll (class SmeBSB)
	       This entry invokes the set-jumpscroll(toggle) action.

       reversevideo (class SmeBSB)
	       This entry invokes the set-reverse-video(toggle) action.

       autowrap (class SmeBSB)
	       This entry invokes the set-autowrap(toggle) action.

       reversewrap (class SmeBSB)
	       This entry invokes the set-reversewrap(toggle) action.

       autolinefeed (class SmeBSB)
	       This entry invokes the set-autolinefeed(toggle) action.

       appcursor (class SmeBSB)
	       This entry invokes the set-appcursor(toggle) action.

       appkeypad (class SmeBSB)
	       This entry invokes the set-appkeypad(toggle) action.

       scrollkey (class SmeBSB)
	       This entry invokes the set-scroll-on-key(toggle) action.

       scrollttyoutput (class SmeBSB)
	       This entry invokes the set-scroll-on-tty-output(toggle) action.

       allow132 (class SmeBSB)
	       This entry invokes the set-allow132(toggle) action.

       cursesemul (class SmeBSB)
	       This entry invokes the set-cursesemul(toggle) action.

       visualbell (class SmeBSB)
	       This entry invokes the set-visualbell(toggle) action.

       bellIsUrgent (class SmeBSB)
	       This entry invokes the set-bellIsUrgent(toggle) action.

       poponbell (class SmeBSB)
	       This entry invokes the set-poponbell(toggle) action.

       cursorblink (class SmeBSB)
	       This entry invokes the set-cursorblink(toggle) action.

       titeInhibit (class SmeBSB)
	       This entry invokes the set-titeInhibit(toggle) action.

       activeicon (class SmeBSB)
	       This  entry toggles active icons on and off if this feature was
	       compiled into xterm.  It is enabled only if xterm  was  started
	       with  the command line option +ai or the activeIcon resource is
	       set to “true”.

       softreset (class SmeBSB)
	       This entry invokes the soft-reset() action.

       hardreset (class SmeBSB)
	       This entry invokes the hard-reset() action.

       clearsavedlines (class SmeBSB)
	       This entry invokes the clear-saved-lines() action.

       tekshow (class SmeBSB)
	       This entry invokes the set-visibility(tek,toggle) action.

       tekmode (class SmeBSB)
	       This entry invokes the set-terminal-type(tek) action.

       vthide (class SmeBSB)
	       This entry invokes the set-visibility(vt,off) action.

       altscreen (class SmeBSB)
	       This entry invokes the set-altscreen(toggle) action.

       sixelScrolling (class SmeBSB)
	       This entry invokes the set-sixel-scrolling(toggle) action.

       The VT Fonts menu (widget name fontMenu) has the following entries:

       fontdefault (class SmeBSB)
	       This entry invokes the set-vt-font(d) action, setting the  font
	       using the font (default) resource, e.g., “Default” in the menu.

       font1 (class SmeBSB)
	       This  entry invokes the set-vt-font(1) action, setting the font
	       using the font1 resource, e.g., “Unreadable” in the menu.

       font2 (class SmeBSB)
	       This entry invokes the set-vt-font(2) action, setting the  font
	       using the font2 resource, e.g., “Tiny” in the menu.

       font3 (class SmeBSB)
	       This  entry invokes the set-vt-font(3) action, setting the font
	       using the font3 resource, e.g., “Small” in the menu.

       font4 (class SmeBSB)
	       This entry invokes the set-vt-font(4) action, letting the  font
	       using the font4 resource, e.g., “Medium” in the menu.

       font5 (class SmeBSB)
	       This  entry invokes the set-vt-font(5) action, letting the font
	       using the font5 resource, e.g., “Large” in the menu.

       font6 (class SmeBSB)
	       This entry invokes the set-vt-font(6) action, letting the  font
	       using the font6 resource, e.g., “Huge” in the menu.

       fontescape (class SmeBSB)
	       This entry invokes the set-vt-font(e) action.

       fontsel (class SmeBSB)
	       This entry invokes the set-vt-font(s) action.

       font-linedrawing (class SmeBSB)
	       This entry invokes the set-font-linedrawing(s) action.

       font-packed (class SmeBSB)
	       This entry invokes the set-font-packed(s) action.

       font-doublesize (class SmeBSB)
	       This entry invokes the set-font-doublesize(s) action.

       render-font (class SmeBSB)
	       This entry invokes the set-render-font(s) action.

       utf8-mode (class SmeBSB)
	       This entry invokes the set-utf8-mode(s) action.

       utf8-title (class SmeBSB)
	       This entry invokes the set-utf8-title(s) action.

       The TEK Options menu (widget name tekMenu) has the following entries:

       tektextlarge (class SmeBSB)
	       This entry invokes the set-tek-text(large) action.

       tektext2 (class SmeBSB)
	       This entry invokes the set-tek-text(2) action.

       tektext3 (class SmeBSB)
	       This entry invokes the set-tek-text(3) action.

       tektextsmall (class SmeBSB)
	       This entry invokes the set-tek-text(small) action.

       tekpage (class SmeBSB)
	       This entry invokes the tek-page() action.

       tekreset (class SmeBSB)
	       This entry invokes the tek-reset() action.

       tekcopy (class SmeBSB)
	       This entry invokes the tek-copy() action.

       vtshow (class SmeBSB)
	       This entry invokes the set-visibility(vt,toggle) action.

       vtmode (class SmeBSB)
	       This entry invokes the set-terminal-type(vt) action.

       tekhide (class SmeBSB)
	       This entry invokes the set-visibility(tek,toggle) action.

   Scrollbar Resources
       The  following  resources  are  useful  when  specified	for the Athena
       Scrollbar widget:

       thickness (class Thickness)
	       Specifies the width in pixels of the scrollbar.

       background (class Background)
	       Specifies the color to use for the background of the scrollbar.

       foreground (class Foreground)
	       Specifies the color to use for the foreground of the scrollbar.
	       The  “thumb”  of the scrollbar is a simple checkerboard pattern
	       alternating pixels for foreground and background color.

POINTER USAGE
       Once the VT102 window is created, xterm allows you to select  text  and
       copy it within the same or other windows.

   SELECTION
       The  selection  functions are invoked when the pointer buttons are used
       with no modifiers, and when they are used with the  “shift”  key.   The
       assignment  of the functions described below to keys and buttons may be
       changed through the resource database; see ACTIONS below.

       Pointer button one (usually left) is used to save  text	into  the  cut
       buffer.	 Move  the  cursor to beginning of the text, and then hold the
       button down while moving the cursor  to	the  end  of  the  region  and
       releasing the button.  The selected text is highlighted and is saved in
       the global cut buffer and made the PRIMARY selection when the button is
       released.  Normally (but see the discussion of on2Clicks, etc):

       ·   Double-clicking selects by words.

       ·   Triple-clicking selects by lines.

       ·   Quadruple-clicking goes back to characters, etc.

       Multiple-click is determined by the time from button up to button down,
       so you can change the selection unit in	the  middle  of	 a  selection.
       Logical words and lines selected by double- or triple-clicking may wrap
       across more than one screen line if lines were wrapped by xterm	itself
       rather  than by the application running in the window.  If the key/but‐
       ton bindings specify that an X selection is  to	be  made,  xterm  will
       leave  the selected text highlighted for as long as it is the selection
       owner.

       Pointer button two (usually middle) “types” (pastes) the text from  the
       PRIMARY	selection, if any, otherwise from the cut buffer, inserting it
       as keyboard input.

       Pointer button three (usually right)  extends  the  current  selection.
       (Without loss of generality, you can swap “right” and “left” everywhere
       in the rest of this paragraph.)	If pressed while closer to  the	 right
       edge  of	 the  selection	 than the left, it extends/contracts the right
       edge of the selection.  If you contract the  selection  past  the  left
       edge  of	 the  selection, xterm assumes you really meant the left edge,
       restores the original selection, then extends/contracts the  left  edge
       of the selection.  Extension starts in the selection unit mode that the
       last selection or extension was performed in; you can multiple-click to
       cycle through them.

       By  cutting  and pasting pieces of text without trailing new lines, you
       can take text from several places in different windows and form a  com‐
       mand  to	 the  shell,  for  example,  or take output from a program and
       insert it into your favorite editor.  Since cut	buffers	 are  globally
       shared  among  different	 applications, you may regard each as a “file”
       whose contents you know.	 The terminal emulator and other text programs
       should  be  treating  it	 as  if it were a text file, i.e., the text is
       delimited by new lines.

   SCROLLING
       The scroll region displays the position and amount  of  text  currently
       showing	in  the	 window	 (highlighted)	relative to the amount of text
       actually saved.	As more text is saved (up to the maximum), the size of
       the highlighted area decreases.

       Clicking	 button	 one  with  the pointer in the scroll region moves the
       adjacent line to the top of the display window.

       Clicking button three moves the top line of the display window down  to
       the pointer position.

       Clicking	 button	 two moves the display to a position in the saved text
       that corresponds to the pointer's position in the scrollbar.

   TEKTRONIX POINTER
       Unlike the VT102 window, the Tektronix window does not allow the	 copy‐
       ing  of	text.	It does allow Tektronix GIN mode, and in this mode the
       cursor will change from an arrow to a cross.   Pressing	any  key  will
       send that key and the current coordinate of the cross cursor.  Pressing
       button one, two, or three will return the letters “l”,  “m”,  and  “r”,
       respectively.   If  the “shift” key is pressed when a pointer button is
       pressed, the corresponding upper case letter is sent.  To distinguish a
       pointer	button	from  a key, the high bit of the character is set (but
       this is bit is normally stripped unless the terminal mode is  RAW;  see
       tty(4) for details).

SELECT/PASTE
       X  clients  provide  select and paste support by responding to requests
       conveyed by the server.

   PRIMARY
       When configured to use the primary selection, (the default)  xterm  can
       provide	the  selection	data  in  ways	which help to retain character
       encoding information as it is pasted.

       A user “selects” text on xterm, which highlights the selected text.   A
       subsequent  “paste”  to another client forwards a request to the client
       owning the selection.  If xterm owns the primary	 selection,  it	 makes
       the  data available in the form of one or more “selection targets”.  If
       it does not own the primary selection, e.g., if it has released	it  or
       another client has asserted ownership, it relies on cut-buffers to pass
       the data.  But cut-buffers handle only ISO-8859-1  data	(officially  -
       some clients ignore the rules).

   CLIPBOARD
       When  configured to use the clipboard (see resource selectToClipboard),
       the problem with persistence  of	 ownership  is	bypassed.   Otherwise,
       there  is  no  difference  regarding  the  data which can be passed via
       selection.

   SELECTION TARGETS
       The different types of data which are passed depend on what the receiv‐
       ing client asks for.  These are termed selection targets.

       When  asking for the selection data, xterm tries the following types in
       this order:

	      UTF8_STRING
		   This is an XFree86 extension, which denotes that  the  data
		   is encoded in UTF-8.	 When xterm is built with wide-charac‐
		   ter support, it both accepts and provides this type.

	      TEXT the text is in the encoding which corresponds to your  cur‐
		   rent locale.

	      COMPOUND_TEXT
		   this	 is  a format for multiple character set data, such as
		   multi-lingual text.	It can store UTF-8 data as  a  special
		   case.

	      STRING
		   This is Latin 1 (ISO-8859-1) data.

       The  middle  two (TEXT and COMPOUND_TEXT) are added if xterm is config‐
       ured with the i18nSelections resource set to “true”.

       UTF8_STRING is preferred (therefore first  in  the  list)  since	 xterm
       stores text as Unicode data when running in wide-character mode, and no
       translation is needed.  On the other hand, TEXT and  COMPOUND_TEXT  may
       require	translation.   If  the	translation  is	 incomplete, they will
       insert X's “defaultString” whose value cannot be set, and may simply be
       empty.	Xterm's defaultString resource specifies the string to use for
       incomplete translations of the UTF8_STRING.

       You can alter the types which xterm tries using the eightBitSelectTypes
       or  utf8SelectTypes  resources.	For instance, you might have some spe‐
       cific locale setting which does not use UTF-8 encoding.	 The  resource
       value is a comma-separated list of the selection targets, which consist
       of the names shown.  You can use the special name I18N  to  denote  the
       optional	 inclusion  of	TEXT and COMPOUND_TEXT.	 The names are matched
       ignoring case, and  can	be  abbreviated.   The	default	 list  can  be
       expressed in several ways, e.g.,

	      UTF8_STRING,I18N,STRING
	      utf8,i18n,string
	      u,i,s

MENUS
       Xterm  has  four	 menus, named mainMenu, vtMenu, fontMenu, and tekMenu.
       Each menu pops up under the correct  combinations  of  key  and	button
       presses.	 Each menu is divided into sections, separated by a horizontal
       line.  Some menu entries correspond to modes that can  be  altered.   A
       check  mark appears next to a mode that is currently active.  Selecting
       one of these modes toggles its state.  Other menu entries are commands;
       selecting one of these performs the indicated function.

       All  of	the  menu entries correspond to X actions.  In the list below,
       the menu label is shown followed by the action's name in parenthesis.

   Main Options
       The xterm mainMenu pops up when the “control” key  and  pointer	button
       one  are	 pressed  in a window.	This menu contains items that apply to
       both the VT102 and Tektronix windows.  There are several sections:

       Commands for managing X events:

	      Toolbar
		     Clicking on the “Toolbar” menu entry hides the toolbar if
		     it is visible, and shows it if it is not.

	      Secure Keyboard (securekbd)
		     The  Secure Keyboard mode is helpful when typing in pass‐
		     words or other sensitive data in an unsecure environment;
		     see SECURITY below (but read the limitations carefully).

	      Allow SendEvents (allowsends)
		     Specifies	whether or not synthetic key and button events
		     generated using the X protocol SendEvent  request	should
		     be	 interpreted  or  discarded.   This corresponds to the
		     allowSendEvents resource.

	      Redraw Window (redraw)
		     Forces the X display to repaint; useful in some  environ‐
		     ments.

       Commands for capturing output:

	      Log to File (logging)
		     Captures  text sent to the screen in a logfile, as in the
		     -l logging option.

	      Print-All Immediately
		     Invokes the print-immediate action, sending the  text  of
		     the  current  window  directly to a file, as specified by
		     the printFileImmediate, printModeImmediate and  printOpt‐
		     sImmediate resources.

	      Print-All on Error
		     Invokes  the  print-on-error action, which toggles a flag
		     telling xterm that if it exits with an X error,  to  send
		     the  text	of  the	 current window directly to a file, as
		     specified by  the	printFileXError,  printModeXError  and
		     printOptsXError resources.

	      Print Window (print)
		     Sends the text of the current window to the program given
		     in the printerCommand resource.

	      Redirect to Printer (print-redir)
		     This sets the printerControlMode to 0 or 2.  You can  use
		     this to turn the printer on as if an application had sent
		     the appropriate control sequence.	It is also useful  for
		     switching	the  printer off if an application turns it on
		     without resetting the print control mode.

       Modes for setting keyboard style:

	      8-Bit Controls (8-bit-control)
		     Enabled for VT220 emulation, this controls whether	 xterm
		     will send 8-bit control sequences rather than using 7-bit
		     (ASCII) controls, e.g.,  sending  a  byte	in  the	 range
		     128-159  rather  than  the escape character followed by a
		     second byte.  Xterm  always  interprets  both  8-bit  and
		     7-bit  control  sequences (see the document Xterm Control
		     Sequences).   This	 corresponds  to  the  eightBitControl
		     resource.

	      Backarrow Key (BS/DEL) (backarrow key)
		     Modifies  the  behavior  of  the backarrow key, making it
		     transmit either a backspace (8) or delete	(127)  charac‐
		     ter.  This corresponds to the backarrowKey resource.

	      Alt/NumLock Modifiers (num-lock)
		     Controls the treatment of Alt- and NumLock-key modifiers.
		     This corresponds to the numLock resource.

	      Meta Sends Escape (meta-esc)
		     Controls whether Meta keys are converted into a two-char‐
		     acter sequence with the character itself preceded by ESC.
		     This corresponds to the metaSendsEscape resource.

	      Delete is DEL (delete-is-del)
		     Controls whether the Delete key  on  the  editing	keypad
		     should  send  DEL	(127) or the VT220-style Remove escape
		     sequence.	This corresponds to the deleteIsDEL resource.

	      Old Function-Keys (oldFunctionKeys)

	      HP Function-Keys (hpFunctionKeys)

	      SCO Function-Keys (scoFunctionKeys)

	      Sun Function-Keys (sunFunctionKeys)

	      VT220 Keyboard (sunKeyboard)
		     These act as a radio-button, selecting one style for  the
		     keyboard	layout.	  It  corresponds  to  more  than  one
		     resource setting: sunKeyboard, sunFunctionKeys,  scoFunc‐
		     tionKeys and hpFunctionKeys ."

       Commands for process signalling:

	      Send STOP Signal (suspend)

	      Send CONT Signal (continue)

	      Send INT Signal (interrupt)

	      Send HUP Signal (hangup)

	      Send TERM Signal (terminate)

	      Send KILL Signal (kill)
		     These  send the SIGTSTP, SIGCONT, SIGINT, SIGHUP, SIGTERM
		     and SIGKILL signals respectively, to the process group of
		     the process running under xterm (usually the shell).  The
		     SIGCONT function is especially useful  if	the  user  has
		     accidentally typed CTRL-Z, suspending the process.

	      Quit (quit)
		     Stop  processing  X  events  except  to support the -hold
		     option, and then send a SIGHUP signal to the the  process
		     group  of	the  process  running under xterm (usually the
		     shell).

   VT Options
       The vtMenu sets various modes in the VT102 emulation, and is popped  up
       when  the “control” key and pointer button two are pressed in the VT102
       window.

       VT102/VT220 Modes:

	      Enable Scrollbar (scrollbar)
		     Enable (or disable) the scrollbar.	 This  corresponds  to
		     the -sb option and the scrollBar resource.

	      Enable Jump Scroll (jumpscroll)
		     Enable  (or disable) jump scrolling.  This corresponds to
		     the -j option and the jumpScroll resource.

	      Enable Reverse Video (reversevideo)
		     Enable (or disable) reverse-video.	 This  corresponds  to
		     the -rv option and the reverseVideo resource.

	      Enable Auto Wraparound (autowrap)
		     Enable (or disable) auto-wraparound.  This corresponds to
		     the -aw option and the autoWrap resource.

	      Enable Reverse Wraparound (reversewrap)
		     Enable (or disable) reverse wraparound.  This corresponds
		     to the -rw option and the reverseWrap resource.

	      Enable Auto Linefeed (autolinefeed)
		     Enable (or disable) auto-linefeed.	 This is the VT102 NEL
		     function, which causes the emulator to  emit  a  linefeed
		     after  each  carriage  return.  There is no corresponding
		     command-line option or resource setting.

	      Enable Application Cursor Keys (appcursor)
		     Enable (or disable) application cursor keys.  This corre‐
		     sponds  to	 the  appcursorDefault	resource.  There is no
		     corresponding command-line option.

	      Enable Application Keypad (appkeypad)
		     Enable (or disable) application keypad keys.  This corre‐
		     sponds  to	 the  appkeypadDefault	resource.  There is no
		     corresponding command-line option.

	      Scroll to Bottom on Key Press (scrollkey)
		     Enable (or	 disable)  scrolling  to  the  bottom  of  the
		     scrolling	region on a keypress.  This corresponds to the
		     -sk option and the scrollKey resource.

		     As a special case, the XON /  XOFF	 keys  (control/S  and
		     control/Q) are ignored.

	      Scroll to Bottom on Tty Output (scrollttyoutput)
		     Enable  (or  disable)  scrolling  to  the	bottom	of the
		     scrolling region on output to the terminal.  This	corre‐
		     sponds   to   the	-si  option  and  the  scrollTtyOutput
		     resource.

	      Allow 80/132 Column Switching (allow132)
		     Enable (or disable) switching between 80 and 132 columns.
		     This   corresponds	 to  the  -132	option	and  the  c132
		     resource.

	      Keep Selection (keepSelection)
		     Tell xterm whether to disown the selection when it	 stops
		     highlighting  it,	e.g., when an application modifies the
		     display so that it no longer matches the text  which  has
		     been  highlighted.	 As long as xterm continues to own the
		     selection, it can provide the corresponding text to other
		     clients  via  cut/paste.  This corresponds to the keepSe‐
		     lection resource.	There is no corresponding command-line
		     option.

	      Select to Clipboard (selectToClipboard)
		     Tell  xterm  whether  to use the PRIMARY or CLIPBOARD for
		     SELECT tokens in the  translations	 resource  which  maps
		     keyboard and mouse actions to select/paste actions.  This
		     corresponds to the selectToClipboard resource.  There  is
		     no corresponding command-line option.

	      Enable Visual Bell (visualbell)
		     Enable (or disable) visible bell (i.e., flashing) instead
		     of an audible bell.  This corresponds to the  -vb	option
		     and the visualBell resource.

	      Enable Bell Urgency (bellIsUrgent)
		     Enable (or disable) Urgency window manager hint when Con‐
		     trol-G is received.  This corresponds to the bellIsUrgent
		     resource.

	      Enable Pop on Bell (poponbell)
		     Enable  (or disable) raising of the window when Control-G
		     is received.  This corresponds to the -pop option and the
		     popOnBell resource.

	      Enable Blinking Cursor (cursorblink)
		     Enable  (or  disable)  the blinking-cursor feature.  This
		     corresponds  to  the  -bc	option	and  the   cursorBlink
		     resource.	There is also an escape sequence (see the doc‐
		     ument Xterm Control Sequences).  The menu entry  and  the
		     escape  sequence  states  are XOR'd: if both are enabled,
		     the cursor will not blink, if only one  is	 enabled,  the
		     cursor will blink.

	      Enable Alternate Screen Switching (titeInhibit)
		     Enable  (or  disable)  switching  between	the normal and
		     alternate screens.	 This corresponds to  the  titeInhibit
		     resource.	There is no corresponding command-line option.

	      Enable Active Icon (activeicon)
		     Enable (or disable) the active-icon feature.  This corre‐
		     sponds to the -ai option and the activeIcon resource.

	      Sixel Scrolling (sixelScrolling)
		     When enabled, sixel graphics are positioned at  the  cur‐
		     rent text cursor location, scroll the image vertically if
		     larger than the screen, and leave the text	 cursor	 after
		     the  image	 when  returning to text mode.	When disabled,
		     sixel graphics are positioned at the upper	 left  of  the
		     screen,  are cropped to fit the screen, and do not affect
		     the text cursor location (this  is	 the  default).	  This
		     corresponds  to the sixelScrolling resource.  There is no
		     corresponding command-line option.

	      Private Color Registers (privateColorRegisters)
		     When enabled, each graphic image uses a separate  set  of
		     color  registers,	so  that  it essentially has a private
		     palette (this is the default).  If it  is	not  set,  all
		     graphics  images share a common set of registers which is
		     how sixel and ReGIS graphics worked on  actual  hardware.
		     The  default is likely a more useful mode on modern True‐
		     Color hardware.  This corresponds to the privateColorReg‐
		     isters  resource.	There is no corresponding command-line
		     option.

       VT102/VT220 Commands:

	      Do Soft Reset (softreset)
		     Reset scroll regions.  This can be convenient  when  some
		     program  has  left	 the  scroll  regions  set incorrectly
		     (often a problem when using VMS or TOPS-20).  This corre‐
		     sponds to the VT220 DECSTR control sequence.

	      Do Full Reset (hardreset)
		     The full reset entry will clear the screen, reset tabs to
		     every eight columns, and reset the terminal  modes	 (such
		     as	 wrap  and smooth scroll) to their initial states just
		     after xterm has  finished	processing  the	 command  line
		     options.	This  corresponds  to  the  VT102  RIS control
		     sequence, with a few obvious differences.	 For  example,
		     your  session  is	not disconnected as a real VT102 would
		     do.

	      Reset and Clear Saved Lines (clearsavedlines)
		     Perform a full reset, and also clear the saved lines.

       Commands for setting the current screen:

	      Show Tek Window (tekshow)
		     When enabled, pops the Tektronix 4014 window up (makes it
		     visible).	 When  disabled, hides the Tektronix 4014 win‐
		     dow.

	      Switch to Tek Mode (tekmode)
		     When enabled, pops the Tektronix 4014 window up if it  is
		     not  already  visible,  and  switches the input stream to
		     that window.  When disabled,  hides  the  Tektronix  4014
		     window and switches input back to the VTxxx window.

	      Hide VT Window (vthide)
		     When enabled, hides the VTxxx window, shows the Tektronix
		     4014 window if it was not already	visible	 and  switches
		     the  input	 stream	 to that window.  When disabled, shows
		     the VTxxx window, and switches the input stream  to  that
		     window.

	      Show Alternate Screen (altscreen)
		     When enabled, shows the alternate screen.	When disabled,
		     shows the normal screen.  Note that the normal screen may
		     have saved lines; the alternate screen does not.

   VT Fonts
       The  fontMenu  pops  up	when when the “control” key and pointer button
       three are pressed in a window.  It sets the font used in the VT102 win‐
       dow, or modifies the way the font is specified or displayed.  There are
       several sections.

       The first section allows you to select the font from a set of  alterna‐
       tives:

	      Default (fontdefault)
		     Set  the  font  to	 the  default, i.e., that given by the
		     *VT100.font resource.

	      Unreadable (font1)
		     Set the font to that given by the *VT100.font1 resource.

	      Tiny (font2)
		     Set the font to that given by the *VT100.font2 resource.

	      Small (font3)
		     Set the font to that given by the *VT100.font3 resource.

	      Medium (font4)
		     Set the font to that given by the *VT100.font4 resource.

	      Large (font5)
		     Set the font to that given by the *VT100.font5 resource.

	      Huge (font6)
		     Set the font to that given by the *VT100.font6 resource.

	      Escape Sequence
		     This allows you to set the font last specified by the Set
		     Font  escape  sequence  (see  the	document Xterm Control
		     Sequences).

	      Selection (fontsel)
		     This allows you to set the	 font  specified  the  current
		     selection	as  a  font  name (if the PRIMARY selection is
		     owned).

       The second section allows you to modify the way it is displayed:

	      Bold Fonts
		     This is  normally	checked	 (enabled).   When  unchecked,
		     xterm  will  not use bold fonts.  The setting corresponds
		     to the allowBoldFonts resource.

	      Line-Drawing Characters (font-linedrawing)
		     When set, tells xterm to draw its own line-drawing	 char‐
		     acters.   Otherwise  it  relies  on  the  font containing
		     these.  Compare to the forceBoxChars resource.

	      Packed Font (font-packed)
		     When set, tells xterm to use the minimum glyph-width from
		     a font when displaying characters.	 Use the maximum width
		     (unchecked) to help display proportional fonts.   Compare
		     to the forcePackedFont resource.

	      Doublesized Characters (font-doublesize)
		     When set, xterm may ask the font server to produce scaled
		     versions of the normal font, for VT102 double-size	 char‐
		     acters.

       The third section allows you to modify the way it is specified:

	      TrueType Fonts (render-font)
		     If	 the  renderFont and corresponding resources were set,
		     this is a further control whether xterm will actually use
		     the Xft library calls to obtain a font.

	      UTF-8 Encoding (utf8-mode)
		     This  controls  whether  xterm  uses  UTF-8  encoding  of
		     input/output.  It is  useful  for	temporarily  switching
		     xterm  to display text from an application which does not
		     follow the locale settings.  It corresponds to  the  utf8
		     resource.

	      UTF-8 Fonts (utf8-fonts)
		     This controls whether xterm uses UTF-8 fonts for display.
		     It is useful for temporarily switching xterm  to  display
		     text from an application which does not follow the locale
		     settings.	It combines the utf8 and utf8Fonts resources.

	      UTF-8 Titles (utf8-titles)
		     This controls whether xterm accepts  UTF-8	 encoding  for
		     title control sequences.  It corresponds to the utf8Fonts
		     resource.

		     Initially the checkmark is set according to both the utf8
		     and  utf8Fonts  resource values.  If the latter is set to
		     “always”, the checkmark is disabled.  Likewise, if	 there
		     are  no  fonts  given in the utf8Fonts subresources, then
		     the checkmark also is disabled.

		     The standard XTerm app-defaults file defines both sets of
		     fonts,  while  the	 UXTerm app-defaults file defines only
		     one set.  assuming the standard app-defaults files,  this
		     command  will  launch  xterm able to switch between UTF-8
		     and ISO-8859-1 encoded fonts:

			 uxterm -class XTerm

	      The fourth section allows you to enable or disable special oper‐
	      ations  which  can  be controlled by writing escape sequences to
	      the terminal.  These are disabled if the SendEvents  feature  is
	      enabled:

	      Allow Color Ops (allow-font-ops)
		     This  corresponds	to the allowColorOps resource.	Enable
		     or disable control sequences that set/query the colors.

	      Allow Font Ops (allow-font-ops)
		     This corresponds to the allowFontOps resource.  Enable or
		     disable control sequences that set/query the font.

	      Allow Tcap Ops (allow-tcap-ops)
		     Enable or disable control sequences that query the termi‐
		     nal's notion of its function-key strings, as  termcap  or
		     terminfo  capabilities.   This corresponds to the allowT‐
		     capOps resource.

	      Allow Title Ops (allow-title-ops)
		     Enable or disable control sequences that modify the  win‐
		     dow title or icon name.  This corresponds to the allowTi‐
		     tleOps resource.

	      Allow Window Ops (allow-window-ops)
		     Enable or disable extended window control	sequences  (as
		     used  in dtterm).	This corresponds to the allowWindowOps
		     resource.

   TEK Options
       The tekMenu sets various modes  in  the	Tektronix  emulation,  and  is
       popped  up when the “control” key and pointer button two are pressed in
       the Tektronix window.  The current font size is checked	in  the	 modes
       section of the menu.

	      Large Characters (tektextlarge)

	      #2 Size Characters (tektext2)

	      #3 Size Characters (tektext3)

	      Small Characters (tektextsmall)

       Commands:

	      PAGE (tekpage)
		     Clear the Tektronix window.

	      RESET (tekreset)

	      COPY (tekcopy)

       Windows:

	      Show VT Window (vtshow)

	      Switch to VT Mode (vtmode)

	      Hide Tek Window (tekhide)

SECURITY
       X environments differ in their security consciousness.

       ·   Most	 servers, run under xdm, are capable of using a “magic cookie”
	   authorization scheme that can provide a reasonable level  of	 secu‐
	   rity	 for  many  people.  If your server is only using a host-based
	   mechanism to control access to the server (see xhost(1)),  then  if
	   you	enable access for a host and other users are also permitted to
	   run clients on that same host, it is possible that someone can  run
	   an  application  which uses the basic services of the X protocol to
	   snoop on your activities, potentially  capturing  a	transcript  of
	   everything you type at the keyboard.

       ·   Any process which has access to your X display can manipulate it in
	   ways that you might not anticipate, even redirecting your  keyboard
	   to  itself  and sending events to your application's windows.  This
	   is true even with the “magic cookie” authorization  scheme.	 While
	   the allowSendEvents provides some protection against rogue applica‐
	   tions tampering with your programs, guarding against a  snooper  is
	   harder.

       ·   The	X input extension for instance allows an application to bypass
	   all of the other (limited)  authorization  and  security  features,
	   including the GrabKeyboard protocol.

       ·   The	possibility  of an application spying on your keystrokes is of
	   particular concern when you want to type in	a  password  or	 other
	   sensitive data.  The best solution to this problem is to use a bet‐
	   ter authorization mechanism than is provided by X.

       Subject to all of these caveats, a simple mechanism exists for protect‐
       ing keyboard input in xterm.

       The  xterm  menu	 (see  MENUS  above)  contains a Secure Keyboard entry
       which, when enabled, attempts to ensure	that  all  keyboard  input  is
       directed only to xterm (using the GrabKeyboard protocol request).  When
       an application prompts you for a password (or  other  sensitive	data),
       you  can	 enable	 Secure Keyboard using the menu, type in the data, and
       then disable Secure Keyboard using the menu again.

       ·   This ensures that you know which  window  is	 accepting  your  key‐
	   strokes.

       ·   It  cannot  ensure that there are no processes which have access to
	   your X display that might be observing the keystrokes as well.

       Only one X client at a time can grab the keyboard, so when you  attempt
       to  enable  Secure  Keyboard  it may fail.  In this case, the bell will
       sound.  If the Secure Keyboard succeeds, the foreground and  background
       colors will be exchanged (as if you selected the Reverse Video entry in
       the Modes menu); they will be exchanged	again  when  you  exit	secure
       mode.   If the colors do not switch, then you should be very suspicious
       that you are being spoofed.  If the application you  are	 running  dis‐
       plays  a	 prompt	 before asking for the password, it is safest to enter
       secure mode before the prompt gets displayed, and to make sure that the
       prompt  gets  displayed	correctly (in the new colors), to minimize the
       probability of spoofing.	 You can also bring up the menu again and make
       sure that a check mark appears next to the entry.

       Secure  Keyboard mode will be disabled automatically if your xterm win‐
       dow becomes iconified (or otherwise unmapped), or if  you  start	 up  a
       reparenting window manager (that places a title bar or other decoration
       around the window) while in Secure Keyboard mode.  (This is  a  feature
       of  the	X protocol not easily overcome.)  When this happens, the fore‐
       ground and background colors will be switched back and  the  bell  will
       sound in warning.

CHARACTER CLASSES
       Clicking	 the  left  pointer  button twice in rapid succession (double-
       clicking) causes all characters of the same class (e.g., letters, white
       space, punctuation) to be selected as a “word”.	Since different people
       have different preferences for what should be  selected	(for  example,
       should filenames be selected as a whole or only the separate subnames),
       the default mapping can be overridden through the use of the  charClass
       (class CharClass) resource.

       This resource is a series of comma-separated of range:value pairs.  The
       range is either a single number or low-high in the range of 0 to 65535,
       corresponding  to  the  code for the character or characters to be set.
       The value is arbitrary, although the default table uses	the  character
       number  of the first character occurring in the set.  When not in UTF-8
       mode, only the first 256 bytes of this table will be used.

       The default table starts as follows -

	   static int charClass[256] = {
	   /∗ NUL  SOH	STX  ETX  EOT  ENQ  ACK	 BEL */
	       32,   1,	  1,   1,   1,	 1,   1,   1,
	   /∗  BS   HT	 NL   VT   NP	CR   SO	  SI */
		1,  32,	  1,   1,   1,	 1,   1,   1,
	   /∗ DLE  DC1	DC2  DC3  DC4  NAK  SYN	 ETB */
		1,   1,	  1,   1,   1,	 1,   1,   1,
	   /∗ CAN   EM	SUB  ESC   FS	GS   RS	  US */
		1,   1,	  1,   1,   1,	 1,   1,   1,
	   /∗  SP    !	  "    #    $	 %    &	   ' */
	       32,  33,	 34,  35,  36,	37,  38,  39,
	   /∗	(    )	  *    +    ,	 -    .	   / */
	       40,  41,	 42,  43,  44,	45,  46,  47,
	   /∗	0    1	  2    3    4	 5    6	   7 */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	8    9	  :    ;    <	 =    >	   ? */
	       48,  48,	 58,  59,  60,	61,  62,  63,
	   /∗	@    A	  B    C    D	 E    F	   G */
	       64,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	H    I	  J    K    L	 M    N	   O */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	P    Q	  R    S    T	 U    V	   W */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	X    Y	  Z    [    \	 ]    ^	   _ */
	       48,  48,	 48,  91,  92,	93,  94,  48,
	   /∗	`    a	  b    c    d	 e    f	   g */
	       96,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	h    i	  j    k    l	 m    n	   o */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	p    q	  r    s    t	 u    v	   w */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	x    y	  z    {    |	 }    ~	 DEL */
	       48,  48,	 48, 123, 124, 125, 126,   1,
	   /∗ x80  x81	x82  x83  IND  NEL  SSA	 ESA */
		1,   1,	  1,   1,   1,	 1,   1,   1,
	   /∗ HTS  HTJ	VTS  PLD  PLU	RI  SS2	 SS3 */
		1,   1,	  1,   1,   1,	 1,   1,   1,
	   /∗ DCS  PU1	PU2  STS  CCH	MW  SPA	 EPA */
		1,   1,	  1,   1,   1,	 1,   1,   1,
	   /∗ x98  x99	x9A  CSI   ST  OSC   PM	 APC */
		1,   1,	  1,   1,   1,	 1,   1,   1,
	   /∗	-    i	 c/    L   ox	Y-    |	  So */
	      160, 161, 162, 163, 164, 165, 166, 167,
	   /∗  ..   c0	 ip   <<    _	     R0	   - */
	      168, 169, 170, 171, 172, 173, 174, 175,
	   /∗	o   +-	  2    3    '	 u   q|	   . */
	      176, 177, 178, 179, 180, 181, 182, 183,
	   /∗	,    1	  2   >>  1/4  1/2  3/4	   ? */
	      184, 185, 186, 187, 188, 189, 190, 191,
	   /∗  A`   A'	 A^   A~   A:	Ao   AE	  C, */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗  E`   E'	 E^   E:   I`	I'   I^	  I: */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗  D-   N~	 O`   O'   O^	O~   O:	   X */
	       48,  48,	 48,  48,  48,	48,  48, 215,
	   /∗  O/   U`	 U'   U^   U:	Y'    P	   B */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗  a`   a'	 a^   a~   a:	ao   ae	  c, */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗  e`   e'	 e^   e:    i`	i'   i^	  i: */
	       48,  48,	 48,  48,  48,	48,  48,  48,
	   /∗	d   n~	 o`   o'   o^	o~   o:	  -: */
	       48,  48,	 48,  48,  48,	48,  48, 247,
	   /∗  o/   u`	 u'   u^   u:	y'    P	  y: */
	       48,  48,	 48,  48,  48,	48,  48,  48};

	      For example, the string  “33:48,37:48,45-47:48,38:48”  indicates
	      that  the	 exclamation  mark, percent sign, dash, period, slash,
	      and ampersand characters should be treated the same way as char‐
	      acters  and  numbers.   This  is	useful for cutting and pasting
	      electronic mailing addresses and filenames.

KEY BINDINGS
       It is possible to rebind keys  (or  sequences  of  keys)	 to  arbitrary
       strings for input, by changing the translations resources for the vt100
       or tek4014 widgets.  Changing  the  translations	 resource  for	events
       other than key and button events is not expected, and will cause unpre‐
       dictable behavior.

   ACTIONS
       The following actions are provided for use within the vt100 or  tek4014
       translations resources:

       allow-color-ops(on/off/toggle)
	       This  action sets, unsets or toggles the allowColorOps resource
	       and is also invoked by the allow-color-ops entry in fontMenu.

       allow-font-ops(on/off/toggle)
	       This action sets, unsets or toggles the	allowFontOps  resource
	       and is also invoked by the allow-font-ops entry in fontMenu.

       allow-send-events(on/off/toggle)
	       This   action  sets,  unsets  or	 toggles  the  allowSendEvents
	       resource and is also invoked by the allowsends entry  in	 main‐
	       Menu.

       allow-tcap-ops(on/off/toggle)
	       This  action  sets, unsets or toggles the allowTcapOps resource
	       and is also invoked by the allow-tcap-ops entry in fontMenu.

       allow-title-ops(on/off/toggle)
	       This action sets, unsets or toggles the allowTitleOps  resource
	       and is also invoked by the allow-title-ops entry in fontMenu.

       allow-window-ops(on/off/toggle)
	       This action sets, unsets or toggles the allowWindowOps resource
	       and is also invoked by the allow-window-ops entry in fontMenu.

       alt-sends-escape()
	       This action toggles the state of the altSendsEscape resource.

       bell([percent])
	       This action rings the keyboard bell at the specified percentage
	       above or below the base volume.

       clear-saved-lines()
	       This  action  does hard-reset() (see below) and also clears the
	       history of lines saved off the top of the screen.  It  is  also
	       invoked	from  the clearsavedlines entry in vtMenu.  The effect
	       is identical to a hardware reset (RIS) control sequence.

       copy-selection(destname [, ...])
	       This action puts the currently selected text into  all  of  the
	       selections or cutbuffers specified by destname.	Unlike select-
	       end, it does not send a mouse position or otherwise modify  the
	       internal selection state.

       create-menu(m/v/f/t)
	       This  action  creates one of the menus used by xterm, if it has
	       not been previously created.  The parameter values are the menu
	       names: mainMenu, vtMenu, fontMenu, tekMenu, respectively.

       dabbrev-expand()
	       Expands	the  word  before cursor by searching in the preceding
	       text on the screen and  in  the	scrollback  buffer  for	 words
	       starting	 with  that  abbreviation.  Repeating dabbrev-expand()
	       several times in sequence searches for an alternative expansion
	       by looking farther back.	 Lack of more matches is signaled by a
	       beep().	Attempts to expand an empty word (i.e., when cursor is
	       preceded	 by  a	space)	yield successively all previous words.
	       Consecutive identical expansions are ignored.  The word here is
	       defined	as a sequence of non-whitespace characters.  This fea‐
	       ture partially emulates the behavior of “dynamic	 abbreviation”
	       expansion  in  Emacs  (bound there to M-/).  Here is a resource
	       setting for xterm which will do the same thing:

		   *VT100*translations:	   #override \n\
			   Meta <KeyPress> /:dabbrev-expand()

       deiconify()
	       Changes the window state back to normal, if it was iconified.

       delete-is-del()
	       This action toggles the state of the deleteIsDEL resource.

       dired-button()
	       Handles a button event (other than press and release) by	 echo‐
	       ing  the	 event's position (i.e., character line and column) in
	       the following format:

		       ^X ESC G <line+“ ”> <col+“ ”>

       fullscreen(on/off/toggle)
	       This action sets, unsets or toggles the fullscreen resource.

       iconify()
	       Iconifies the window.

       hard-reset()
	       This action resets the scrolling region, tabs, window size, and
	       cursor keys and clears the screen.  It is also invoked from the
	       hardreset entry in vtMenu.

       ignore()
	       This action ignores the event but checks	 for  special  pointer
	       position escape sequences.

       insert()
	       This action inserts the character or string associated with the
	       key that was pressed.

       insert-eight-bit()
	       This action inserts an eight-bit (Meta) version of the  charac‐
	       ter  or	string associated with the key that was pressed.  Only
	       single-byte values are treated  specially.   The	 exact	action
	       depends	on  the	 value of the altSendsEscape and the metaSend‐
	       sEscape and the eightBitInput resources.	  The  metaSendsEscape
	       resource is tested first.  See the eightBitInput resource for a
	       full discussion.

	       The term “eight-bit” is misleading: xterm checks if the key  is
	       in  the range 128 to 255 (the eighth bit is set).  If the value
	       is in that range, depending on the resource values,  xterm  may
	       then do one of the following:

	       ·   add 128 to the value, setting its eighth bit,

	       ·   send an ESC byte before the key, or

	       ·   send the key unaltered.

       exec-formatted(format, sourcename [, ...])
	       Execute	an  external  command, using the current selection for
	       part of the command's parameters.  The first parameter,	format
	       gives  the  basic  command.   Succeeding parameters specify the
	       selection source as in insert-selection.

	       The format parameter allows these substitutions:

	       %%   inserts a "%".

	       %P   the screen-position at the beginning  of  the  highlighted
		    region,  as	 a  semicolon-separated pair of integers using
		    the values that the CUP control sequence would use.

	       %p   the screen-position after the beginning of the highlighted
		    region, using the same convention as “%P”.

	       %S   the length of the string that “%s” would insert.

	       %s   the content of the selection, unmodified.

	       %T   the length of the string that “%t” would insert.

	       %t   the selection, trimmed of leading/trailing whitespace, and
		    newlines changed to single spaces.

	       %V   the video attributes at the beginning of  the  highlighted
		    region,  as	 a  semicolon-separated list of integers using
		    the values that the SGR control sequence would use.

	       %v   the video attributes after	the  end  of  the  highlighted
		    region, using the same convention as “%V”.

	       After constructing the command-string, xterm forks a subprocess
	       and executes the	 command,  which  completes  independently  of
	       xterm.

       exec-selectable(format, onClicks)
	       Execute	an external command, using data copied from the screen
	       for part of the command's  parameters.	The  first  parameter,
	       format  gives the basic command as in exec-formatted.  The sec‐
	       ond parameter specifies the method for copying the data	as  in
	       the onClicks resource.

       insert-formatted(format, sourcename [, ...])
	       Insert  the current selection or data related to it, formatted.
	       The first parameter, format gives the template for the data  as
	       in exec-formatted.  Succeeding parameters specify the selection
	       source as in insert-selection.

       insert-selectable(format, onClicks)
	       Insert data copied  from	 the  screen,  formatted.   The	 first
	       parameter,  format  gives the template for the data as in exec-
	       formatted.  The second parameter specifies the method for copy‐
	       ing the data as in the onClicks resource.

       insert-selection(sourcename [, ...])
	       This  action  inserts the string found in the selection or cut‐
	       buffer indicated by sourcename.	Sources	 are  checked  in  the
	       order  given  (case  is	significant) until one is found.  Com‐
	       monly-used selections include: PRIMARY,	SECONDARY,  and	 CLIP‐
	       BOARD.	Cut  buffers  are  typically named CUT_BUFFER0 through
	       CUT_BUFFER7.

       insert-seven-bit()
	       This action is a synonym for insert() The term  “seven-bit”  is
	       misleading:  it only implies that xterm does not try to add 128
	       to the key's value as in insert-eight-bit().

       interpret(control-sequence)
	       Interpret the given control  sequence  locally,	i.e.,  without
	       passing	it  to	the host.  This works by inserting the control
	       sequence at the front of the input buffer.  Use “\”  to	escape
	       octal  digits  in  the  string.	Xt does not allow you to put a
	       null character (i.e., “\000”) in the string.

       keymap(name)
	       This action dynamically defines a new translation  table	 whose
	       resource	 name is name with the suffix Keymap (case is signifi‐
	       cant).  The name None restores the original translation table.

       larger-vt-font()
	       Set the font to the next larger one, based on the  font	dimen‐
	       sions.  See also set-vt-font().

       load-vt-fonts(name[,class])
	       Load fontnames from the given subresource name and class.  That
	       is, load the “*VT100.name.font”, resource as “*VT100.font” etc.
	       If no name is given, the original set of fontnames is restored.

	       Unlike  set-vt-font(),  this  does  not	affect the escape- and
	       select-fonts, since those are not based on resource values.  It
	       does  affect  the  fonts	 loosely organized under the “Default”
	       menu entry, including font, boldFont,  wideFont	and  wideBold‐
	       Font.

       maximize()
	       Resizes the window to fill the screen.

       meta-sends-escape()
	       This action toggles the state of the metaSendsEscape resource.

       popup-menu(menuname)
	       This  action  displays  the  specified popup menu.  Valid names
	       (case is significant) include:  mainMenu, vtMenu, fontMenu, and
	       tekMenu.

       print(printer-flags)
	       This action prints the window.  It is also invoked by the print
	       entry in mainMenu.

	       The action accepts optional parameters, which temporarily over‐
	       ride  resource  settings.   The	parameter  values  are matched
	       ignoring case:

	       noFormFeed
		    no form feed will be sent at the  end  of  the  last  line
		    printed (i.e., printerFormFeed is ``false'').

	       FormFeed
		    a  form  feed  will	 be  sent  at the end of the last line
		    printed (i.e., printerFormFeed is ``true'').

	       noNewLine
		    no newline will be sent  at	 the  end  of  the  last  line
		    printed,  and  wrapped  lines  will	 be combined into long
		    lines (i.e., printerNewLine is ``false'').

	       NewLine
		    a newline will be  sent  at	 the  end  of  the  last  line
		    printed,  and  each line will be limited (by adding a new‐
		    line)  to  the  screen  width  (i.e.,  printerNewLine   is
		    ``true'').

	       noAttrs
		    the	 page  is  printed  without attributes (i.e., printAt‐
		    tributes is ``0'').

	       monoAttrs
		    the page is printed	 with  monochrome  (vt220)  attributes
		    (i.e., printAttributes is ``1'').

	       colorAttrs
		    the	 page  is  printed  with  ANSI color attributes (i.e.,
		    printAttributes is ``2'').

       print-everything(printer-flags)
	       This action sends the entire text history, in addition  to  the
	       text currently visible, to the program given in the printerCom‐
	       mand resource.  It allows the same optional parameters  as  the
	       print  action.  With a suitable printer command, the action can
	       be used to load the text history in an editor.

       print-immediate()
	       Sends the text of the current window directly  to  a  file,  as
	       specified  by  the  printFileImmediate,	printModeImmediate and
	       printOptsImmediate resources.

       print-on-error()
	       Toggles a flag telling xterm that if it exits with an X	error,
	       to  send	 the text of the current window directly to a file, as
	       specified by the printFileXError, printModeXError and printOpt‐
	       sXError resources.

       print-redir()
	       This  action  toggles  the  printerControlMode between 0 and 2.
	       The corresponding popup menu entry is useful for switching  the
	       printer off if you happen to change your mind after deciding to
	       print random binary files on the terminal.

       quit()  This action sends a SIGHUP to the subprogram and exits.	It  is
	       also invoked by the quit entry in mainMenu.

       readline-button()
	       Supports the optional readline feature by echoing repeated cur‐
	       sor forward or backward control	sequences  on  button  release
	       event,  to  request that the host application update its notion
	       of the cursor's position to match the button event.

       redraw()
	       This action redraws the window.	It  is	also  invoked  by  the
	       redraw entry in mainMenu.

       restore()
	       Restores the window to the size before it was last maximized.

       scroll-back(count [,units [,mouse] ])
	       This  action scrolls the text window backward so that text that
	       had previously scrolled off the top of the screen is now	 visi‐
	       ble.

	       The  count argument indicates the number of units (which may be
	       page, halfpage, pixel, or line) by which to scroll.

	       An adjustment can be specified for these values by appending  a
	       “+” or “-” sign followed by a number, e.g., page-2 to specify 2
	       lines less than a page.

	       If the third parameter mouse is given, the  action  is  ignored
	       when mouse reporting is enabled.

       scroll-forw(count [,units [,mouse] ])
	       This action is similar to scroll-back except that it scrolls in
	       the other direction.

       secure()
	       This action toggles the Secure Keyboard mode described  in  the
	       section named SECURITY, and is invoked from the securekbd entry
	       in mainMenu.

       scroll-lock(on/off/toggle)
	       This action sets, unsets or toggles internal state which	 tells
	       xterm whether Scroll Lock is active, subject to the allowScrol‐
	       lLock resource.

       select-cursor-end(destname [, ...])
	       This action is similar to select-end except that it  should  be
	       used with select-cursor-start.

       select-cursor-extend()
	       This  action  is similar to select-extend except that it should
	       be used with select-cursor-start.

       select-cursor-start()
	       This action is similar to select-start except  that  it	begins
	       the selection at the current text cursor position.

       select-end(destname [, ...])
	       This  action  puts  the currently selected text into all of the
	       selections or cutbuffers specified by destname.	It also	 sends
	       a  mouse	 position  and updates the internal selection state to
	       reflect the end of the selection process.

       select-extend()
	       This action tracks the pointer and extends the  selection.   It
	       should only be bound to Motion events.

       select-set()
	       This  action stores text that corresponds to the current selec‐
	       tion, without affecting the selection mode.

       select-start()
	       This action begins text selection at the current pointer	 loca‐
	       tion.  See the section on POINTER USAGE for information on mak‐
	       ing selections.

       send-signal(signame)
	       This action sends the signal named by signame to the xterm sub‐
	       process	(the  shell  or	 program specified with the -e command
	       line option).  It is also invoked  by  the  suspend,  continue,
	       interrupt,  hangup,  terminate,	and  kill entries in mainMenu.
	       Allowable signal names are (case is not significant): tstp  (if
	       supported  by  the  operating  system), suspend (same as tstp),
	       cont (if supported by the operating system),  int,  hup,	 term,
	       quit, alrm, alarm (same as alrm) and kill.

       set-8-bit-control(on/off/toggle)
	       This   action  sets,  unsets  or	 toggles  the  eightBitControl
	       resource.  It is also invoked from the 8-bit-control  entry  in
	       vtMenu.

       set-allow132(on/off/toggle)
	       This  action  sets, unsets or toggles the c132 resource.	 It is
	       also invoked from the allow132 entry in vtMenu.

       set-altscreen(on/off/toggle)
	       This action sets, unsets or toggles between the	alternate  and
	       current screens.

       set-appcursor(on/off/toggle)
	       This  action  sets,  unsets or toggles the handling Application
	       Cursor Key mode and is also invoked by the appcursor  entry  in
	       vtMenu.

       set-appkeypad(on/off/toggle)
	       This action sets, unsets or toggles the handling of Application
	       Keypad mode and is also	invoked	 by  the  appkeypad  entry  in
	       vtMenu.

       set-autolinefeed(on/off/toggle)
	       This  action  sets,  unsets  or	toggles automatic insertion of
	       linefeeds.  It is also invoked by  the  autolinefeed  entry  in
	       vtMenu.

       set-autowrap(on/off/toggle)
	       This  action sets, unsets or toggles automatic wrapping of long
	       lines.  It is also invoked by the autowrap entry in vtMenu.

       set-backarrow(on/off/toggle)
	       This action sets, unsets or toggles the backarrowKey  resource.
	       It is also invoked from the backarrow key entry in vtMenu.

       set-bellIsUrgent(on/off/toggle)
	       This  action sets, unsets or toggles the bellIsUrgent resource.
	       It is also invoked by the bellIsUrgent entry in vtMenu.

       set-cursorblink(on/off/toggle)
	       This action sets, unsets or toggles the	cursorBlink  resource.
	       It is also invoked from the cursorblink entry in vtMenu.

       set-cursesemul(on/off/toggle)
	       This action sets, unsets or toggles the curses resource.	 It is
	       also invoked from the cursesemul entry in vtMenu.

       set-font-doublesize(on/off/toggle)
	       This  action  sets,  unsets  or	toggles	  the	fontDoublesize
	       resource.   It  is also invoked by the font-doublesize entry in
	       fontMenu.

       set-hp-function-keys(on/off/toggle)
	       This  action  sets,  unsets  or	toggles	  the	hpFunctionKeys
	       resource.   It  is  also invoked by the hpFunctionKeys entry in
	       mainMenu.

       set-jumpscroll(on/off/toggle)
	       This action sets, unsets or toggles  the	 jumpscroll  resource.
	       It is also invoked by the jumpscroll entry in vtMenu.

       set-font-linedrawing(on/off/toggle)
	       This action sets, unsets or toggles the xterm's state regarding
	       whether	the  current  font  has	 line-drawing  characters  and
	       whether	it  should  draw them directly.	 It is also invoked by
	       the font-linedrawing entry in fontMenu.

       set-font-packed(on/off/toggle)
	       This action  sets,  unsets  or  toggles	the  forcePackedFont's
	       resource	 which	controls  use of the font's minimum or maximum
	       glyph width.  It is also invoked by the	font-packed  entry  in
	       fontMenu.

       set-keep-selection(on/off/toggle)
	       This action sets, unsets or toggles the keepSelection resource.
	       It is also invoked by the keepSelection entry in vtMenu.

       set-logging(on/off/toggle)
	       This action sets, unsets or toggles the state  of  the  logging
	       option.

       set-old-function-keys(on/off/toggle)
	       This  action  sets, unsets or toggles the state of legacy func‐
	       tion keys.  It is also invoked by the oldFunctionKeys entry  in
	       mainMenu.

       set-marginbell(on/off/toggle)
	       This action sets, unsets or toggles the marginBell resource.

       set-num-lock(on/off/toggle)
	       This action toggles the state of the numLock resource.

       set-pop-on-bell(on/off/toggle)
	       This action sets, unsets or toggles the popOnBell resource.  It
	       is also invoked by the poponbell entry in vtMenu.

       set-private-colors(on/off/toggle)
	       This action sets, unsets or toggles  the	 privateColorRegisters
	       resource.

       set-render-font(on/off/toggle)
	       This  action  sets,  unsets or toggles the renderFont resource.
	       It is also invoked by the render-font entry in fontMenu.

       set-reverse-video(on/off/toggle)
	       This action sets, unsets or toggles the reverseVideo  resource.
	       It is also invoked by the reversevideo entry in vtMenu.

       set-reversewrap(on/off/toggle)
	       This  action  sets, unsets or toggles the reverseWrap resource.
	       It is also invoked by the reversewrap entry in vtMenu.

       set-scroll-on-key(on/off/toggle)
	       This action sets, unsets or toggles the scrollKey resource.  It
	       is also invoked from the scrollkey entry in vtMenu.

       set-scroll-on-tty-output(on/off/toggle)
	       This   action  sets,  unsets  or	 toggles  the  scrollTtyOutput
	       resource.  It is also invoked from the scrollttyoutput entry in
	       vtMenu.

       set-scrollbar(on/off/toggle)
	       This action sets, unsets or toggles the scrollbar resource.  It
	       is also invoked by the scrollbar entry in vtMenu.

       set-sco-function-keys(on/off/toggle)
	       This  action  sets,  unsets  or	toggles	 the   scoFunctionKeys
	       resource.   It  is also invoked by the scoFunctionKeys entry in
	       mainMenu.

       set-select(on/off/toggle)
	       This action  sets,  unsets  or  toggles	the  selectToClipboard
	       resource.  It is also invoked by the selectToClipboard entry in
	       vtMenu.

       set-sixel-scrolling(on/off/toggle)
	       This action toggles between inline (sixel scrolling) and	 abso‐
	       lute  positioning.   It	can also be controlled via DEC private
	       mode 80 (DECSDM)	 or  from  the	sixelScrolling	entry  in  the
	       btMenu.

       set-sun-function-keys(on/off/toggle)
	       This   action  sets,  unsets  or	 toggles  the  sunFunctionKeys
	       resource.  It is also invoked by the sunFunctionKeys  entry  in
	       mainMenu.

       set-sun-keyboard(on/off/toggle)
	       This  action  sets, unsets or toggles the sunKeyboard resource.
	       It is also invoked by the sunKeyboard entry in mainMenu.

       set-tek-text(large/2/3/small)
	       This action sets the font used in the Tektronix window  to  the
	       value  of the selected resource according to the argument.  The
	       argument can be either a keyword	 or  single-letter  alias,  as
	       shown in parentheses:

	       large (l)
		    Use resource fontLarge, same as menu entry tektextlarge.

	       two (2)
		    Use resource font2, same as menu entry tektext2.

	       three (3)
		    Use resource font3, same as menu entry tektext3.

	       small (s)
		    Use resource fontSmall, same as menu entry tektextsmall.

       set-terminal-type(type)
	       This  action  directs  output  to either the vt or tek windows,
	       according to the type string.  It is also invoked by  the  tek‐
	       mode entry in vtMenu and the vtmode entry in tekMenu.

       set-titeInhibit(on/off/toggle)
	       This  action  sets, unsets or toggles the titeInhibit resource,
	       which controls switching	 between  the  alternate  and  current
	       screens.

       set-toolbar(on/off/toggle)
	       This action sets, unsets or toggles the toolbar feature.	 It is
	       also invoked by the toolbar entry in mainMenu.

       set-utf8-mode(on/off/toggle)
	       This action sets, unsets or toggles the utf8 resource.	It  is
	       also invoked by the utf8-mode entry in fontMenu.

       set-utf8-title(on/off/toggle)
	       This action sets, unsets or toggles the utf8Title resource.  It
	       is also invoked by the utf8-title entry in fontMenu.

       set-visibility(vt/tek,on/off/toggle)
	       This action sets, unsets or toggles whether or not  the	vt  or
	       tek  windows  are visible.  It is also invoked from the tekshow
	       and vthide entries in vtMenu and the vtshow and tekhide entries
	       in tekMenu.

       set-visual-bell(on/off/toggle)
	       This  action  sets,  unsets or toggles the visualBell resource.
	       It is also invoked by the visualbell entry in vtMenu.

       set-vt-font(d/1/2/3/4/5/6/e/s [,normalfont [, boldfont]])
	       This action sets the font or fonts currently being used in  the
	       VT102  window.	The  first argument is a single character that
	       specifies the font to be used:

	       d or D indicate the default font (the font initially used  when
		      xterm was started),

	       1  through  6 indicate the fonts specified by the font1 through
		      font6 resources,

	       e or E indicate the normal and bold fonts that  have  been  set
		      through  escape  codes  (or  specified as the second and
		      third action arguments, respectively), and

	       s or S indicate the font selection (as made by programs such as
		      xfontsel(1)) indicated by the second action argument.

	       If  xterm  is  configured  to support wide characters, an addi‐
	       tional two optional parameters are recognized for the  e	 argu‐
	       ment: wide font and wide bold font.

       smaller-vt-font()
	       Set  the font to the next smaller one, based on the font dimen‐
	       sions.  See also set-vt-font().

       soft-reset()
	       This action resets the scrolling region.	 It  is	 also  invoked
	       from the softreset entry in vtMenu.  The effect is identical to
	       a soft reset (DECSTR) control sequence.

       spawn-new-terminal(params)
	       Spawn a new xterm process.  This is available on systems	 which
	       have a modern version of the process filesystem, e.g., “/proc”,
	       which xterm can read.

	       Use the “cwd” process entry, e.g.,  /proc/12345/cwd  to	obtain
	       the  working  directory	of the process which is running in the
	       current xterm.

	       On  systems  which  have	 the  “exe”   process	entry,	 e.g.,
	       /proc/12345/exe,	 use  this  to	obtain	the actual executable.
	       Otherwise, use the $PATH variable to find xterm.

	       If parameters are given in the action, pass  them  to  the  new
	       xterm process.

       start-extend()
	       This  action  is similar to select-start except that the selec‐
	       tion is extended to the current pointer location.

       start-cursor-extend()
	       This action is similar to select-extend except that the	selec‐
	       tion is extended to the current text cursor position.

       string(string)
	       This action inserts the specified text string as if it had been
	       typed.  Quotation is necessary if the  string  contains	white‐
	       space  or  non-alphanumeric characters.	If the string argument
	       begins with the characters “0x”, it is  interpreted  as	a  hex
	       character constant.

       tek-copy()
	       This  action  copies the escape codes used to generate the cur‐
	       rent window contents to a file in the current directory	begin‐
	       ning  with  the name COPY.  It is also invoked from the tekcopy
	       entry in tekMenu.

       tek-page()
	       This action clears the Tektronix window.	 It is also invoked by
	       the tekpage entry in tekMenu.

       tek-reset()
	       This action resets the Tektronix window.	 It is also invoked by
	       the tekreset entry in tekMenu.

       vi-button()
	       Handles a button event (other than press and release) by	 echo‐
	       ing a control sequence computed from the event's line number in
	       the screen relative to the current line:

		       ESC ^P
	       or
		       ESC ^N

	       according to whether the event is before, or after the  current
	       line,  respectively.   The ^N (or ^P) is repeated once for each
	       line that the event differs from the current line.  The control
	       sequence	 is  omitted  altogether if the button event is on the
	       current line.

       visual-bell()
	       This action flashes the window quickly.

       The Tektronix window also has the following action:

       gin-press(l/L/m/M/r/R)
	       This action sends the indicated graphics input code.

   DEFAULT KEY BINDINGS
       The default bindings in the VT102 window use the SELECT token, which is
       set by the selectToClipboard resource:

		     Shift <KeyPress> Prior:scroll-back(1,halfpage) \n\
		      Shift <KeyPress> Next:scroll-forw(1,halfpage) \n\
		    Shift <KeyPress> Select:select-cursor-start() \
					    select-cursor-end(SELECT, CUT_BUFFER0) \n\
		    Shift <KeyPress> Insert:insert-selection(SELECT, CUT_BUFFER0) \n\
			    Alt <Key>Return:fullscreen() \n\
		   <KeyRelease> Scroll_Lock:scroll-lock() \n\
	       Shift~Ctrl <KeyPress> KP_Add:larger-vt-font() \n\
	       Shift Ctrl <KeyPress> KP_Add:smaller-vt-font() \n\
	       Shift <KeyPress> KP_Subtract:smaller-vt-font() \n\
			   ~Meta <KeyPress>:insert-seven-bit() \n\
			    Meta <KeyPress>:insert-eight-bit() \n\
			   !Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
		      !Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
	    !Lock Ctrl @Num_Lock <Btn1Down>:popup-menu(mainMenu) \n\
		! @Num_Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
			   ~Meta <Btn1Down>:select-start() \n\
			 ~Meta <Btn1Motion>:select-extend() \n\
			   !Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
		      !Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
	    !Lock Ctrl @Num_Lock <Btn2Down>:popup-menu(vtMenu) \n\
		! @Num_Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
		     ~Ctrl ~Meta <Btn2Down>:ignore() \n\
			    Meta <Btn2Down>:clear-saved-lines() \n\
		       ~Ctrl ~Meta <Btn2Up>:insert-selection(SELECT, CUT_BUFFER0) \n\
			   !Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
		      !Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
	    !Lock Ctrl @Num_Lock <Btn3Down>:popup-menu(fontMenu) \n\
		! @Num_Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
		     ~Ctrl ~Meta <Btn3Down>:start-extend() \n\
			 ~Meta <Btn3Motion>:select-extend() \n\
			    Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
		       Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
	     Lock @Num_Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
		  @Num_Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
				 <Btn4Down>:scroll-back(5,line,m)     \n\
			    Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
		       Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
	     Lock @Num_Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
		  @Num_Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
				 <Btn5Down>:scroll-forw(5,line,m)     \n\
				    <BtnUp>:select-end(SELECT, CUT_BUFFER0) \n\
				  <BtnDown>:ignore()

       The  default  bindings  for  the scrollbar widget are separate from the
       VT100 widget:

				 <Btn5Down>: StartScroll(Forward) \n\
				 <Btn1Down>: StartScroll(Forward) \n\
				 <Btn2Down>: StartScroll(Continuous) MoveThumb() NotifyThumb() \n\
				 <Btn3Down>: StartScroll(Backward) \n\
				 <Btn4Down>: StartScroll(Backward) \n\
				 <Btn2Motion>: MoveThumb() NotifyThumb() \n\
				 <BtnUp>:    NotifyScroll(Proportional) EndScroll()

       The default bindings in the Tektronix window are:

			    ~Meta<KeyPress>: insert-seven-bit() \n\
			     Meta<KeyPress>: insert-eight-bit() \n\
			   !Ctrl <Btn1Down>: popup-menu(mainMenu) \n\
		      !Lock Ctrl <Btn1Down>: popup-menu(mainMenu) \n\
	    !Lock Ctrl @Num_Lock <Btn1Down>: popup-menu(mainMenu) \n\
		 !Ctrl @Num_Lock <Btn1Down>: popup-menu(mainMenu) \n\
			   !Ctrl <Btn2Down>: popup-menu(tekMenu) \n\
		      !Lock Ctrl <Btn2Down>: popup-menu(tekMenu) \n\
	    !Lock Ctrl @Num_Lock <Btn2Down>: popup-menu(tekMenu) \n\
		 !Ctrl @Num_Lock <Btn2Down>: popup-menu(tekMenu) \n\
		      Shift ~Meta<Btn1Down>: gin-press(L) \n\
			    ~Meta<Btn1Down>: gin-press(l) \n\
		      Shift ~Meta<Btn2Down>: gin-press(M) \n\
			    ~Meta<Btn2Down>: gin-press(m) \n\
		      Shift ~Meta<Btn3Down>: gin-press(R) \n\
			    ~Meta<Btn3Down>: gin-press(r)

       Here is an example which uses shifted select/paste to copy to the clip‐
       board,  and  unshifted select/paste for the primary selection.  In each
       case, a (different) cut buffer is  also	a  target  or  source  of  the
       select/paste  operation.	 It is important to remember however, that cut
       buffers store data in ISO-8859-1 encoding, while selections  can	 store
       data  in	 a  variety  of	 formats  and encodings.  While xterm owns the
       selection, it highlights it.  When it loses the selection,  it  removes
       the  corresponding  highlight.  But you can still paste from the corre‐
       sponding cut buffer.

	   *VT100*translations:	   #override \n\
	       ~Shift~Ctrl<Btn2Up>: insert-selection(PRIMARY, CUT_BUFFER0) \n\
	       Shift~Ctrl<Btn2Up>:  insert-selection(CLIPBOARD, CUT_BUFFER1) \n\
	       ~Shift<BtnUp>:	    select-end(PRIMARY, CUT_BUFFER0) \n\
	       Shift<BtnUp>:	    select-end(CLIPBOARD, CUT_BUFFER1)

       Below is a sample of how the keymap() action is	used  to  add  special
       keys for entering commonly-typed works:

	   *VT100.Translations: #override <Key>F13: keymap(dbx)
	   *VT100.dbxKeymap.translations: \
		   <Key>F14: keymap(None) \n\
		   <Key>F17: string("next") string(0x0d) \n\
		   <Key>F18: string("step") string(0x0d) \n\
		   <Key>F19: string("continue") string(0x0d) \n\
		   <Key>F20: string("print ") insert-selection(PRIMARY, CUT_BUFFER0)

       Some  people  prefer  using  the	 left  pointer button for dragging the
       scrollbar thumb.	 That  can  be	setup  by  altering  the  translations
       resource, e.g.,

	   *VT100.scrollbar.translations:				 #override \n\
		   <Btn5Down>:						 StartScroll(Forward) \n\
		   <Btn1Down>:						 StartScroll(Continuous) MoveThumb() NotifyThumb() \n\
		   <Btn4Down>:						 StartScroll(Backward) \n\
		   <Btn1Motion>:					 MoveThumb() NotifyThumb() \n\
		   <BtnUp>:  NotifyScroll(Proportional) EndScroll()

CONTROL SEQUENCES AND KEYBOARD
       The  Xterm Control Sequences document lists the control sequences which
       an application can send xterm to make it	 perform  various  operations.
       Most  of these operations are standardized, from either the DEC or Tek‐
       tronix terminals, or from more widely used standards such as ISO-6429.

ENVIRONMENT
       Xterm sets several environment variables:

       DISPLAY
	    is the display name, pointing to the X server (see	DISPLAY	 NAMES
	    in X(7)).

       TERM is	set  according	to the termcap (or terminfo) entry which it is
	    using as a reference.

       WINDOWID
	    is set to the X window id number of the xterm window.

       XTERM_FILTER
	    is set if a locale-filter is used.	The value is the  pathname  of
	    the filter.

       XTERM_LOCALE
	    shows  the	locale which was used by xterm on startup.  Some shell
	    initialization scripts may set a different locale.

       XTERM_SHELL
	    is set to the pathname of the program which is  invoked.   Usually
	    that is a shell program, e.g., /bin/sh.  Since it is not necessar‐
	    ily a shell program however, it is distinct from “SHELL”.

       XTERM_VERSION
	    is set to the string displayed by the -version  option.   That  is
	    normally  an  identifier  for the X Window libraries used to build
	    xterm, followed by xterm's patch number in parenthesis.  The patch
	    number  is	also  part  of	the  response  to  a  Secondary Device
	    Attributes (DA) control sequence (see Xterm Control Sequences).

       Depending on your system configuration, xterm may also set the  follow‐
       ing:

       COLUMNS
	    the width of the xterm in characters (cf: “stty columns”).

       HOME when xterm is configured to update utmp.

       LINES
	    the height of the xterm in characters (cf: “stty rows”).

       LOGNAME
	    when xterm is configured to update utmp.

       SHELL
	    when  xterm	 is  configured to update utmp.	 It is also set if you
	    provide the shell name as the optional parameter.

       TERMCAP
	    the contents of the termcap entry  corresponding  to  $TERM,  with
	    lines  and	columns	 values substituted for the actual size window
	    you have created.

       TERMINFO
	    may be defined to a nonstandard location in the configure script.

FILES
       The actual pathnames given may differ on your system.

       /var/run/utmp
	    the system logfile, which records user logins.

       /var/log/wtmp
	    the system logfile, which records user logins and logouts.

       /etc/X11/app-defaults/XTerm
	    the xterm default application resources.

       /etc/X11/app-defaults/XTerm-color
	    the xterm color application resources.  If your  display  supports
	    color, use this
		      *customization: -color
	    in	your  .Xdefaults  file to automatically use this resource file
	    rather than /etc/X11/app-defaults/XTerm.  If you do not  do	 this,
	    xterm uses its compiled-in default resource settings for colors.

       /usr/share/pixmaps
	    the directory in which xterm's pixmap icon files are installed.

ERROR MESSAGES
       Most of the fatal error messages from xterm use the following format:
	      xterm: Error XXX, errno YYY: ZZZ
       The  XXX	 codes	(which	are used by xterm as its exit-code) are listed
       below, with a brief explanation.

       1    is used for miscellaneous errors, usually accompanied  by  a  spe‐
	    cific message,

       11   ERROR_FIONBIO
	    main: ioctl() failed on FIONBIO

       12   ERROR_F_GETFL
	    main: ioctl() failed on F_GETFL

       13   ERROR_F_SETFL
	    main: ioctl() failed on F_SETFL

       14   ERROR_OPDEVTTY
	    spawn: open() failed on /dev/tty

       15   ERROR_TIOCGETP
	    spawn: ioctl() failed on TIOCGETP

       17   ERROR_PTSNAME
	    spawn: ptsname() failed

       18   ERROR_OPPTSNAME
	    spawn: open() failed on ptsname

       19   ERROR_PTEM
	    spawn: ioctl() failed on I_PUSH/"ptem"

       20   ERROR_CONSEM
	    spawn: ioctl() failed on I_PUSH/"consem"

       21   ERROR_LDTERM
	    spawn: ioctl() failed on I_PUSH/"ldterm"

       22   ERROR_TTCOMPAT
	    spawn: ioctl() failed on I_PUSH/"ttcompat"

       23   ERROR_TIOCSETP
	    spawn: ioctl() failed on TIOCSETP

       24   ERROR_TIOCSETC
	    spawn: ioctl() failed on TIOCSETC

       25   ERROR_TIOCSETD
	    spawn: ioctl() failed on TIOCSETD

       26   ERROR_TIOCSLTC
	    spawn: ioctl() failed on TIOCSLTC

       27   ERROR_TIOCLSET
	    spawn: ioctl() failed on TIOCLSET

       28   ERROR_INIGROUPS
	    spawn: initgroups() failed

       29   ERROR_FORK
	    spawn: fork() failed

       30   ERROR_EXEC
	    spawn: exec() failed

       32   ERROR_PTYS
	    get_pty: not enough ptys

       34   ERROR_PTY_EXEC
	    waiting for initial map

       35   ERROR_SETUID
	    spawn: setuid() failed

       36   ERROR_INIT
	    spawn: can't initialize window

       46   ERROR_TIOCKSET
	    spawn: ioctl() failed on TIOCKSET

       47   ERROR_TIOCKSETC
	    spawn: ioctl() failed on TIOCKSETC

       49   ERROR_LUMALLOC
	    luit: command-line malloc failed

       50   ERROR_SELECT
	    in_put: select() failed

       54   ERROR_VINIT
	    VTInit: can't initialize window

       57   ERROR_KMMALLOC1
	    HandleKeymapChange: malloc failed

       60   ERROR_TSELECT
	    Tinput: select() failed

       64   ERROR_TINIT
	    TekInit: can't initialize window

       71   ERROR_BMALLOC2
	    SaltTextAway: malloc() failed

       80   ERROR_LOGEXEC
	    StartLog: exec() failed

       83   ERROR_XERROR
	    xerror: XError event

       84   ERROR_XIOERROR
	    xioerror: X I/O error

       85   ERROR_ICEERROR
	    ICE I/O error

       90   ERROR_SCALLOC
	    Alloc: calloc() failed on base

       91   ERROR_SCALLOC2
	    Alloc: calloc() failed on rows

       102  ERROR_SAVE_PTR
	    ScrnPointers: malloc/realloc() failed

BUGS
       Large  pastes do not work on some systems.  This is not a bug in xterm;
       it is a bug in the pseudo terminal  driver  of  those  systems.	 xterm
       feeds large pastes to the pty only as fast as the pty will accept data,
       but some pty drivers do not return enough information to	 know  if  the
       write has succeeded.

       When  connected to an input method, it is possible for xterm to hang if
       the XIM server is suspended or killed.

       Many of the options are not resettable after xterm starts.

       This program still needs to be rewritten.  It should be split into very
       modular	sections, with the various emulators being completely separate
       widgets that do not know about each other.  Ideally, you'd like	to  be
       able  to	 pick and choose emulator widgets and stick them into a single
       control widget.

       There needs to be a dialog box to allow entry  of  the  Tek  COPY  file
       name.

SEE ALSO
       resize(1), luit(1), uxterm(1), X(7), pty(4), tty(4)

       Xterm Control Sequences (this is the file ctlseqs.ms).

       http://invisible-island.net/xterm/xterm.html
       http://invisible-island.net/xterm/ctlseqs/ctlseqs.html

AUTHORS
       Far too many people, including:

       Loretta Guarino Reid (DEC-UEG-WSL), Joel McCormack (DEC-UEG-WSL), Terry
       Weissman (DEC-UEG-WSL), Edward Moy (Berkeley),  Ralph  R.  Swick	 (MIT-
       Athena),	 Mark  Vandevoorde  (MIT-Athena),  Bob McNamara (DEC-MAD), Jim
       Gettys (MIT-Athena), Bob Scheifler (MIT X Consortium), Doug Mink (SAO),
       Steve  Pitschke	(Stellar),  Ron Newman (MIT-Athena), Jim Fulton (MIT X
       Consortium), Dave Serisky (HP),	Jonathan  Kamens  (MIT-Athena),	 Jason
       Bacon,  Stephen P. Wall, David Wexelblat, and Thomas Dickey (invisible-
       island.net).

Patch #300			  2013-12-03			      XTERM(1)
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