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urxvt(1)			 RXVT-UNICODE			      urxvt(1)

NAME
       rxvt-unicode - (ouR XVT, unicode), a VT102 emulator for the X window
       system

SYNOPSIS
       urxvt [options] [-e command [ args ]]

DESCRIPTION
       rxvt-unicode, version 9.15, is a colour vt102 terminal emulator
       intended as an xterm(1) replacement for users who do not require
       features such as Tektronix 4014 emulation and toolkit-style
       configurability. As a result, rxvt-unicode uses much less swap space --
       a significant advantage on a machine serving many X sessions.

       This document is also available on the World-Wide-Web at
       http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod
       <http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.

FREQUENTLY ASKED QUESTIONS
       See urxvt(7) (try "man 7 urxvt") for a list of frequently asked
       questions and answer to them and some common problems. That document is
       also accessible on the World-Wide-Web at
       http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod
       <http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.

RXVT-UNICODE VS. RXVT
       Unlike the original rxvt, rxvt-unicode stores all text in Unicode
       internally. That means it can store and display most scripts in the
       world. Being a terminal emulator, however, some things are very
       difficult, especially cursive scripts such as arabic, vertically
       written scripts like mongolian or scripts requiring extremely complex
       combining rules, like tibetan or devanagari. Don't expect pretty output
       when using these scripts. Most other scripts, latin, cyrillic, kanji,
       thai etc. should work fine, though. A somewhat difficult case are
       right-to-left scripts, such as hebrew: rxvt-unicode adopts the view
       that bidirectional algorithms belong in the application, not the
       terminal emulator (too many things -- such as cursor-movement while
       editing -- break otherwise), but that might change.

       If you are looking for a terminal that supports more exotic scripts,
       let me recommend "mlterm", which is a very user friendly, lean and
       clean terminal emulator. In fact, the reason rxvt-unicode was born was
       solely because the author couldn't get "mlterm" to use one font for
       latin1 and another for japanese.

       Therefore another design rationale was the use of multiple fonts to
       display characters: The idea of a single unicode font which many other
       programs force onto its users never made sense to me: You should be
       able to choose any font for any script freely.

       Apart from that, rxvt-unicode is also much better internationalised
       than its predecessor, supports things such as XFT and ISO 14755 that
       are handy in i18n-environments, is faster, and has a lot bugs less than
       the original rxvt. This all in addition to dozens of other small
       improvements.

       It is still faithfully following the original rxvt idea of being lean
       and nice on resources: for example, you can still configure rxvt-
       unicode without most of its features to get a lean binary. It also
       comes with a client/daemon pair that lets you open any number of
       terminal windows from within a single process, which makes startup time
       very fast and drastically reduces memory usage. See urxvtd(1) (daemon)
       and urxvtc(1) (client).

       It also makes technical information about escape sequences (which have
       been extended) more accessible: see urxvt(7) for technical reference
       documentation (escape sequences etc.).

OPTIONS
       The urxvt options (mostly a subset of xterm's) are listed below. In
       keeping with the smaller-is-better philosophy, options may be
       eliminated or default values chosen at compile-time, so options and
       defaults listed may not accurately reflect the version installed on
       your system. `urxvt -h' gives a list of major compile-time options on
       the Options line. Option descriptions may be prefixed with which
       compile option each is dependent upon. e.g. `Compile XIM:' requires XIM
       on the Options line. Note: `urxvt -help' gives a list of all command-
       line options compiled into your version.

       Note that urxvt permits the resource name to be used as a long-option
       (--/++ option) so the potential command-line options are far greater
       than those listed. For example: `urxvt --loginShell --color1 Orange'.

       The following options are available:

       -help, --help
	   Print out a message describing available options.

       -display displayname
	   Attempt to open a window on the named X display (the older form -d
	   is still respected. but deprecated). In the absence of this option,
	   the display specified by the DISPLAY environment variable is used.

       -depth bitdepth
	   Compile xft: Attempt to find a visual with the given bit depth;
	   resource depth.

	   [Please note that many X servers (and libXft) are buggy with
	   respect to "-depth 32" and/or alpha channels, and will cause all
	   sorts of graphical corruption. This is harmless, but we can't do
	   anything about this, so watch out]

       -geometry geom
	   Window geometry (-g still respected); resource geometry.

       -rv|+rv
	   Turn on/off simulated reverse video; resource reverseVideo.

       -j|+j
	   Turn on/off jump scrolling (allow multiple lines per refresh);
	   resource jumpScroll.

       -ss|+ss
	   Turn on/off skip scrolling (allow multiple screens per refresh);
	   resource skipScroll.

       -tr|+tr
	   Turn on/off pseudo-transparency by using the root pixmap as
	   background; resource transparent.

	   -ip is still accepted as an obsolete alias but will be removed in
	   future versions.

       -fade number
	   Fade the text by the given percentage when focus is lost. Small
	   values fade a little only, 100 completely replaces all colours by
	   the fade colour; resource fading.

       -fadecolor colour
	   Fade to this colour when fading is used (see -fade). The default
	   colour is opaque black. resource fadeColor.

       -tint colour
	   Tint the transparent background with the given colour; resource
	   tintColor.

       -sh number
	   Darken (0 .. 99) or lighten (101 .. 200) the transparent
	   background.	A value of 100 means no shading; resource shading.

       -blt string
	   Specify background blending type. If background pixmap is specified
	   at the same time as transparency - such pixmap will be blended over
	   the transparent background, using the method specified. Supported
	   values are: add, alphablend, allanon - colour values averaging,
	   colorize, darken, diff, dissipate, hue, lighten, overlay, saturate,
	   screen, sub, tint, value. The default is alpha-blending. Compile
	   afterimage; resource blendType.

       -blr HxV
	   Apply Gaussian Blur with the specified radii to the transparent
	   background. If a single number is specified, the vertical and
	   horizontal radii are considered to be the same. Setting one of the
	   radii to 1 and the other to a large number creates interesting
	   effects on some backgrounds. The maximum radius value is 128. An
	   horizontal or vertical radius of 0 disables blurring; resource
	   blurRadius.

       -icon file
	   Compile afterimage or pixbuf: Use the specified image as
	   application icon. This is used by many window managers, taskbars
	   and pagers to represent the application window; resource iconFile.

       -bg colour
	   Window background colour; resource background.

       -fg colour
	   Window foreground colour; resource foreground.

       -pixmap file[;oplist]
	   Compile afterimage or pixbuf: Specify image file for the background
	   and also optionally specify a list of operations to modify it. Note
	   you may need to add quotes to avoid special shell interpretation of
	   the ";" in the command-line; for more details see resource
	   backgroundPixmap.

       -cr colour
	   The cursor colour; resource cursorColor.

       -pr colour
	   The mouse pointer foreground colour; resource pointerColor.

       -pr2 colour
	   The mouse pointer background colour; resource pointerColor2.

       -bd colour
	   The colour of the border around the text area and between the
	   scrollbar and the text; resource borderColor.

       -fn fontlist
	   Select the fonts to be used. This is a comma separated list of font
	   names that are checked in order when trying to find glyphs for
	   characters. The first font defines the cell size for characters;
	   other fonts might be smaller, but not (in general) larger. A
	   (hopefully) reasonable default font list is always appended to it.
	   See resource font for more details.

	   In short, to specify an X11 core font, just specify its name or
	   prefix it with "x:". To specify an XFT-font, you need to prefix it
	   with "xft:", e.g.:

	      urxvt -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
	      urxvt -fn "9x15bold,xft:Bitstream Vera Sans Mono"

	   See also the question "How does rxvt-unicode choose fonts?" in the
	   FAQ section of urxvt(7).

       -fb fontlist
	   Compile font-styles: The bold font list to use when bold characters
	   are to be printed. See resource boldFont for details.

       -fi fontlist
	   Compile font-styles: The italic font list to use when italic
	   characters are to be printed. See resource italicFont for details.

       -fbi fontlist
	   Compile font-styles: The bold italic font list to use when bold
	   italic characters are to be printed. See resource boldItalicFont
	   for details.

       -is|+is
	   Compile font-styles: Bold/Blink font styles imply high intensity
	   foreground/background (default). See resource intensityStyles for
	   details.

       -name name
	   Specify the application name under which resources are to be
	   obtained, rather than the default executable file name. Name should
	   not contain `.' or `*' characters. Also sets the icon and title
	   name.

       -ls|+ls
	   Start as a login-shell/sub-shell; resource loginShell.

       -ut|+ut
	   Compile utmp: Inhibit/enable writing a utmp entry; resource
	   utmpInhibit.

       -vb|+vb
	   Turn on/off visual bell on receipt of a bell character; resource
	   visualBell.

       -sb|+sb
	   Turn on/off scrollbar; resource scrollBar.

       -sr|+sr
	   Put scrollbar on right/left; resource scrollBar_right.

       -st|+st
	   Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
	   resource scrollBar_floating.

       -si|+si
	   Turn on/off scroll-to-bottom on TTY output inhibit; resource
	   scrollTtyOutput has opposite effect.

       -sk|+sk
	   Turn on/off scroll-to-bottom on keypress; resource
	   scrollTtyKeypress.

       -sw|+sw
	   Turn on/off scrolling with the scrollback buffer as new lines
	   appear.  This only takes effect if -si is also given; resource
	   scrollWithBuffer.

       -ptab|+ptab
	   If enabled (default), "Horizontal Tab" characters are being stored
	   as actual wide characters in the screen buffer, which makes it
	   possible to select and paste them. Since a horizontal tab is a
	   cursor movement and not an actual glyph, this can sometimes be
	   visually annoying as the cursor on a tab character is displayed as
	   a wide cursor; resource pastableTabs.

       -bc|+bc
	   Blink the cursor; resource cursorBlink.

       -uc|+uc
	   Make the cursor underlined; resource cursorUnderline.

       -iconic
	   Start iconified, if the window manager supports that option.
	   Alternative form is -ic.

       -sl number
	   Save number lines in the scrollback buffer. See resource entry for
	   limits; resource saveLines.

       -b number
	   Compile frills: Internal border of number pixels. See resource
	   entry for limits; resource internalBorder.

       -w number
	   Compile frills: External border of number pixels. Also, -bw and
	   -borderwidth. See resource entry for limits; resource
	   externalBorder.

       -bl Compile frills: Set MWM hints to request a borderless window, i.e.
	   if honoured by the WM, the rxvt-unicode window will not have window
	   decorations; resource borderLess. If the window manager does not
	   support MWM hints (e.g. kwin), enables override-redirect mode.

       -override-redirect
	   Compile frills: Sets override-redirect on the window; resource
	   override-redirect.

       -sbg
	   Compile frills: Disable the usage of the built-in block
	   graphics/line drawing characters and just rely on what the
	   specified fonts provide. Use this if you have a good font and want
	   to use its block graphic glyphs; resource skipBuiltinGlyphs.

       -lsp number
	   Compile frills: Lines (pixel height) to insert between each row of
	   the display. Useful to work around font rendering problems;
	   resource lineSpace.

       -letsp number
	   Compile frills: Amount to adjust the computed character width by to
	   control overall letter spacing. Negative values will tighten up the
	   letter spacing, positive values will space letters out more. Useful
	   to work around odd font metrics; resource letterSpace.

       -tn termname
	   This option specifies the name of the terminal type to be set in
	   the TERM environment variable. This terminal type must exist in the
	   termcap(5) database and should have li# and co# entries; resource
	   termName.

       -e command [arguments]
	   Run the command with its command-line arguments in the urxvt
	   window; also sets the window title and icon name to be the basename
	   of the program being executed if neither -title (-T) nor -n are
	   given on the command line. If this option is used, it must be the
	   last on the command-line. If there is no -e option then the default
	   is to run the program specified by the SHELL environment variable
	   or, failing that, sh(1).

	   Please note that you must specify a program with arguments. If you
	   want to run shell commands, you have to specify the shell, like
	   this:

	     urxvt -e sh -c "shell commands"

       -title text
	   Window title (-T still respected); the default title is the
	   basename of the program specified after the -e option, if any,
	   otherwise the application name; resource title.

       -n text
	   Icon name; the default name is the basename of the program
	   specified after the -e option, if any, otherwise the application
	   name; resource iconName.

       -C  Capture system console messages.

       -pt style
	   Compile XIM: input style for input method; OverTheSpot, OffTheSpot,
	   Root; resource preeditType.

       -im text
	   Compile XIM: input method name. resource inputMethod.

       -imlocale string
	   The locale to use for opening the IM. You can use an "LC_CTYPE" of
	   e.g.	 "de_DE.UTF-8" for normal text processing but "ja_JP.EUC-JP"
	   for the input extension to be able to input japanese characters
	   while staying in another locale. resource imLocale.

       -imfont fontset
	   Set the font set to use for the X Input Method, see resource imFont
	   for more info.

       -tcw
	   Change the meaning of triple-click selection with the left mouse
	   button. Only effective when the original (non-perl) selection code
	   is in-use. Instead of selecting a full line it will extend the
	   selection to the end of the logical line only. resource
	   tripleclickwords.

       -insecure
	   Enable "insecure" mode, which currently enables most of the escape
	   sequences that echo strings. See the resource insecure for more
	   info.

       -mod modifier
	   Override detection of Meta modifier with specified key: alt, meta,
	   hyper, super, mod1, mod2, mod3, mod4, mod5; resource modifier.

       -ssc|+ssc
	   Turn on/off secondary screen (default enabled); resource
	   secondaryScreen.

       -ssr|+ssr
	   Turn on/off secondary screen scroll (default enabled); resource
	   secondaryScroll.

       -hold|+hold
	   Turn on/off hold window after exit support. If enabled, urxvt will
	   not immediately destroy its window when the program executed within
	   it exits. Instead, it will wait till it is being killed or closed
	   by the user; resource hold.

       -cd path
	   Sets the working directory for the shell (or the command specified
	   via -e). The path must be an absolute path and it must exist for
	   urxvt to start; resource chdir.

       -xrm string
	   Works like the X Toolkit option of the same name, by adding the
	   string as if it were specified in a resource file. Resource values
	   specified this way take precedence over all other resource
	   specifications.

	   Note that you need to use the same syntax as in the .Xdefaults
	   file, e.g. "*.background: black". Also note that all urxvt-specific
	   options can be specified as long-options on the commandline, so use
	   of -xrm is mostly limited to cases where you want to specify other
	   resources (e.g. for input methods) or for compatibility with other
	   programs.

       -keysym.sym string
	   Remap a key symbol. See resource keysym.

       -embed windowid
	   Tells urxvt to embed its windows into an already-existing window,
	   which enables applications to easily embed a terminal.

	   Right now, urxvt will first unmap/map the specified window, so it
	   shouldn't be a top-level window. urxvt will also reconfigure it
	   quite a bit, so don't expect it to keep some specific state. It's
	   best to create an extra subwindow for urxvt and leave it alone.

	   The window will not be destroyed when urxvt exits.

	   It might be useful to know that urxvt will not close file
	   descriptors passed to it (except for stdin/out/err, of course), so
	   you can use file descriptors to communicate with the programs
	   within the terminal. This works regardless of whether the "-embed"
	   option was used or not.

	   Here is a short Gtk2-perl snippet that illustrates how this option
	   can be used (a longer example is in doc/embed):

	      my $rxvt = new Gtk2::Socket;
	      $rxvt->signal_connect_after (realize => sub {
		 my $xid = $_[0]->window->get_xid;
		 system "urxvt -embed $xid &";
	      });

       -pty-fd file descriptor
	   Tells urxvt NOT to execute any commands or create a new pty/tty
	   pair but instead use the given file descriptor as the tty master.
	   This is useful if you want to drive urxvt as a generic terminal
	   emulator without having to run a program within it.

	   If this switch is given, urxvt will not create any utmp/wtmp
	   entries and will not tinker with pty/tty permissions - you have to
	   do that yourself if you want that.

	   As an extremely special case, specifying "-1" will completely
	   suppress pty/tty operations, which is probably only useful in
	   conjunction with some perl extension that manages the terminal.

	   Here is a example in perl that illustrates how this option can be
	   used (a longer example is in doc/pty-fd):

	      use IO::Pty;
	      use Fcntl;

	      my $pty = new IO::Pty;
	      fcntl $pty, F_SETFD, 0; # clear close-on-exec
	      system "urxvt -pty-fd " . (fileno $pty) . "&";
	      close $pty;

	      # now communicate with rxvt
	      my $slave = $pty->slave;
	      while (<$slave>) { print $slave "got <$_>\n" }

       -pe string
	   Comma-separated list of perl extension scripts to use (or not to
	   use) in this terminal instance. See resource perl-ext for details.

RESOURCES
       Note: `urxvt --help' gives a list of all resources (long options)
       compiled into your version. All resources are also available as long-
       options.

       You can set and change the resources using X11 tools like xrdb. Many
       distribution do also load settings from the ~/.Xresources file when X
       starts. urxvt will consult the following files/resources in order, with
       later settings overwriting earlier ones:

	 1. app-defaults file in $XAPPLRESDIR
	 2. $HOME/.Xdefaults
	 3. RESOURCE_MANAGER property on root-window of screen 0
	 4. SCREEN_RESOURCES property on root-window of the current screen
	 5. $XENVIRONMENT file OR $HOME/.Xdefaults-<nodename>
	 6. resources specified via -xrm on the commandline

       Note that when reading X resources, urxvt recognizes two class names:
       Rxvt and URxvt. The class name Rxvt allows resources common to both
       urxvt and the original rxvt to be easily configured, while the class
       name URxvt allows resources unique to urxvt, to be shared between
       different urxvt configurations. If no resources are specified, suitable
       defaults will be used. Command-line arguments can be used to override
       resource settings. The following resources are supported (you might
       want to check the urxvtperl(3) manpage for additional settings by perl
       extensions not documented here):

       depth: bitdepth
	   Compile xft: Attempt to find a visual with the given bit depth;
	   option -depth.

       buffered: boolean
	   Compile xft: Turn on/off double-buffering for xft (default
	   enabled).  On some card/driver combination enabling it slightly
	   decreases performance, on most it greatly helps it. The slowdown is
	   small, so it should normally be enabled.

       geometry: geom
	   Create the window with the specified X window geometry [default
	   80x24]; option -geometry.

       background: colour
	   Use the specified colour as the window's background colour [default
	   White]; option -bg.

       foreground: colour
	   Use the specified colour as the window's foreground colour [default
	   Black]; option -fg.

       colorn: colour
	   Use the specified colour for the colour value n, where 0-7
	   corresponds to low-intensity (normal) colours and 8-15 corresponds
	   to high-intensity (bold = bright foreground, blink = bright
	   background) colours. The canonical names are as follows: 0=black,
	   1=red, 2=green, 3=yellow, 4=blue, 5=magenta, 6=cyan, 7=white, but
	   the actual colour names used are listed in the COLOURS AND GRAPHICS
	   section.

	   Colours higher than 15 cannot be set using resources (yet), but can
	   be changed using an escape command (see urxvt(7)).

	   Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm
	   with 88 colour support). Colours 80-87 are evenly spaces grey
	   steps.

       colorBD: colour
       colorIT: colour
	   Use the specified colour to display bold or italic characters when
	   the foreground colour is the default. If font styles are not
	   available (Compile styles) and this option is unset, reverse video
	   is used instead.

       colorUL: colour
	   Use the specified colour to display underlined characters when the
	   foreground colour is the default.

       underlineColor: colour
	   If set, use the specified colour as the colour for the underline
	   itself. If unset, use the foreground colour.

       highlightColor: colour
	   If set, use the specified colour as the background for highlighted
	   characters. If unset, use reverse video.

       highlightTextColor: colour
	   If set and highlightColor is set, use the specified colour as the
	   foreground for highlighted characters.

       cursorColor: colour
	   Use the specified colour for the cursor. The default is to use the
	   foreground colour; option -cr.

       cursorColor2: colour
	   Use the specified colour for the colour of the cursor text. For
	   this to take effect, cursorColor must also be specified. The
	   default is to use the background colour.

       reverseVideo: boolean
	   True: simulate reverse video by foreground and background colours;
	   option -rv. False: regular screen colours [default]; option +rv.
	   See note in COLOURS AND GRAPHICS section.

       jumpScroll: boolean
	   True: specify that jump scrolling should be used. When receiving
	   lots of lines, urxvt will only scroll once a whole screen height of
	   lines has been read, resulting in fewer updates while still
	   displaying every received line; option -j.

	   False: specify that smooth scrolling should be used. urxvt will
	   force a screen refresh on each new line it received; option +j.

       skipScroll: boolean
	   True: (the default) specify that skip scrolling should be used.
	   When receiving lots of lines, urxvt will only scroll once in a
	   while (around 60 times per second), resulting in far fewer updates.
	   This can result in urxvt not ever displaying some of the lines it
	   receives; option -ss.

	   False: specify that everything is to be displayed, even if the
	   refresh is too fast for the human eye to read anything (or the
	   monitor to display anything); option +ss.

       transparent: boolean
	   Turn on/off pseudo-transparency by using the root pixmap as
	   background.

	   inheritPixmap is still accepted as an obsolete alias but will be
	   removed in future versions.

       fading: number
	   Fade the text by the given percentage when focus is lost; option
	   -fade.

       fadeColor: colour
	   Fade to this colour, when fading is used (see fading:). The default
	   colour is black; option -fadecolor.

       tintColor: colour
	   Tint the transparent background with the given colour. If the
	   RENDER extension is not available only black, red, green, yellow,
	   blue, magenta, cyan and white tints can be performed server-side.
	   Note that a black tint yields a completely black image while a
	   white tint yields the image unchanged; option -tint.

       shading: number
	   Darken (0 .. 99) or lighten (101 .. 200) the transparent
	   background.	A value of 100 means no shading; option -sh.

       blendType: string
	   Specify background blending type; option -blt.

       blurRadius: number
	   Apply gaussian blur with the specified radius to the transparent
	   background; option -blr.

       iconFile: file
	   Set the application icon pixmap; option -icon.

       scrollColor: colour
	   Use the specified colour for the scrollbar [default #B2B2B2].

       troughColor: colour
	   Use the specified colour for the scrollbar's trough area [default
	   #969696]. Only relevant for rxvt (non XTerm/NeXT) scrollbar.

       borderColor: colour
	   The colour of the border around the text area and between the
	   scrollbar and the text.

       backgroundPixmap: file[;oplist]
	   Use the specified image file for the background and also optionally
	   specify a colon separated list of operations to modify it.
	   Supported operations are:

	   WxH+X+Y
	       sets scale and position. "W" / "H" specify the
	       horizontal/vertical scale (percent), and "X" / "Y" locate the
	       image centre (percent). A scale of 0 disables scaling. The
	       maximum permitted scale is 1000.

	   op=tile
	       enables tiling

	   op=keep-aspect
	       maintain the image aspect ratio when scaling

	   op=root-align
	       use the position of the terminal window relative to the root
	       window as the image offset, simulating a root window background

	   The default scale and position setting is "100x100+50+50".
	   Alternatively, a predefined set of templates can be used to achieve
	   the most common setups:

	   style=tiled
	       the image is tiled with no scaling. Equivalent to
	       0x0+0+0:op=tile

	   style=aspect-stretched
	       the image is scaled to fill the whole window maintaining the
	       aspect ratio and centered. Equivalent to
	       100x100+50+50:op=keep-aspect

	   style=stretched
	       the image is scaled to fill the whole window. Equivalent to
	       100x100

	   style=centered
	       the image is centered with no scaling. Equivalent to 0x0+50+50

	   style=root-tiled
	       the image is tiled with no scaling and using 'root'
	       positioning.  Equivalent to 0x0:op=tile:op=root-align

	   If multiple templates are specified the last one wins. Note that a
	   template overrides all the scale, position and operations settings.

	   If used in conjunction with -tr option, the specified pixmap will
	   be blended over the transparent background using alpha-blending. If
	   afterimage support has been compiled in it is possible to choose
	   other blending types with -blt "type" option.

       path: path
	   Specify the colon-delimited search path for finding background
	   image files.

       font: fontlist
	   Select the fonts to be used. This is a comma separated list of font
	   names that are checked in order when trying to find glyphs for
	   characters. The first font defines the cell size for characters;
	   other fonts might be smaller, but not (in general) larger. A
	   (hopefully) reasonable default font list is always appended to it;
	   option -fn.

	   Each font can either be a standard X11 core font (XLFD) name, with
	   optional prefix "x:" or a Xft font (Compile xft), prefixed with
	   "xft:".

	   In addition, each font can be prefixed with additional hints and
	   specifications enclosed in square brackets ("[]"). The only
	   available hint currently is "codeset=codeset-name", and this is
	   only used for Xft fonts.

	   For example, this font resource

	      URxvt.font: 9x15bold,\
			  -misc-fixed-bold-r-normal--15-140-75-75-c-90-iso10646-1,\
			  -misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1, \
			  [codeset=JISX0208]xft:Kochi Gothic:antialias=false, \
			  xft:Code2000:antialias=false

	   specifies five fonts to be used. The first one is "9x15bold"
	   (actually the iso8859-1 version of the second font), which is the
	   base font (because it is named first) and thus defines the
	   character cell grid to be 9 pixels wide and 15 pixels high.

	   The second font is just used to add additional unicode characters
	   not in the base font, likewise the third, which is unfortunately
	   non-bold, but the bold version of the font does contain fewer
	   characters, so this is a useful supplement.

	   The third font is an Xft font with aliasing turned off, and the
	   characters are limited to the JIS 0208 codeset (i.e. japanese
	   kanji). The font contains other characters, but we are not
	   interested in them.

	   The last font is a useful catch-all font that supplies most of the
	   remaining unicode characters.

       boldFont: fontlist
       italicFont: fontlist
       boldItalicFont: fontlist
	   The font list to use for displaying bold, italic or bold italic
	   characters, respectively.

	   If specified and non-empty, then the syntax is the same as for the
	   font-resource, and the given font list will be used as is, which
	   makes it possible to substitute completely different font styles
	   for bold and italic.

	   If unset (the default), a suitable font list will be synthesized by
	   "morphing" the normal text font list into the desired shape. If
	   that is not possible, replacement fonts of the desired shape will
	   be tried.

	   If set, but empty, then this specific style is disabled and the
	   normal text font will being used for the given style.

       intensityStyles: boolean
	   When font styles are not enabled, or this option is enabled (True,
	   option -is, the default), bold/blink font styles imply high
	   intensity foreground/background colours. Disabling this option
	   (False, option +is) disables this behaviour, the high intensity
	   colours are not reachable.

       title: string
	   Set window title string, the default title is the command-line
	   specified after the -e option, if any, otherwise the application
	   name; option -title.

       iconName: string
	   Set the name used to label the window's icon or displayed in an
	   icon manager window, it also sets the window's title unless it is
	   explicitly set; option -n.

       mapAlert: boolean
	   True: de-iconify (map) on receipt of a bell character. False: no
	   de-iconify (map) on receipt of a bell character [default].

       urgentOnBell: boolean
	   True: set the urgency hint for the wm on receipt of a bell
	   character.  False: do not set the urgency hint [default].

	   urxvt resets the urgency hint on every focus change.

       visualBell: boolean
	   True: use visual bell on receipt of a bell character; option -vb.
	   False: no visual bell [default]; option +vb.

       loginShell: boolean
	   True: start as a login shell by prepending a `-' to argv[0] of the
	   shell; option -ls. False: start as a normal sub-shell [default];
	   option +ls.

       utmpInhibit: boolean
	   True: inhibit writing record into the system log file utmp; option
	   -ut. False: write record into the system log file utmp [default];
	   option +ut.

       print-pipe: string
	   Specify a command pipe for vt100 printer [default lpr(1)]. Use
	   Print to initiate a screen dump to the printer and Ctrl-Print or
	   Shift-Print to include the scrollback as well.

	   The string will be interpreted as if typed into the shell as-is.

	   Example:

	      URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)

	   This creates a new file in your home directory with the screen
	   contents every time you hit "Print".

       scrollstyle: mode
	   Set scrollbar style to rxvt, plain, next or xterm. plain is the
	   author's favourite.

       thickness: number
	   Set the scrollbar width in pixels.

       scrollBar: boolean
	   True: enable the scrollbar [default]; option -sb. False: disable
	   the scrollbar; option +sb.

       scrollBar_right: boolean
	   True: place the scrollbar on the right of the window; option -sr.
	   False: place the scrollbar on the left of the window; option +sr.

       scrollBar_floating: boolean
	   True: display an rxvt scrollbar without a trough; option -st.
	   False: display an rxvt scrollbar with a trough; option +st.

       scrollBar_align: mode
	   Align the top, bottom or centre [default] of the scrollbar thumb
	   with the pointer on middle button press/drag.

       scrollTtyOutput: boolean
	   True: scroll to bottom when tty receives output; option -si.
	   False: do not scroll to bottom when tty receives output; option
	   +si.

       scrollWithBuffer: boolean
	   True: scroll with scrollback buffer when tty receives new lines
	   (i.e.  try to show the same lines) and scrollTtyOutput is False;
	   option -sw. False: do not scroll with scrollback buffer when tty
	   receives new lines; option +sw.

       scrollTtyKeypress: boolean
	   True: scroll to bottom when a non-special key is pressed. Special
	   keys are those which are intercepted by rxvt-unicode for special
	   handling and are not passed onto the shell; option -sk. False: do
	   not scroll to bottom when a non-special key is pressed; option +sk.

       saveLines: number
	   Save number lines in the scrollback buffer [default 64]. This
	   resource is limited on most machines to 65535; option -sl.

       internalBorder: number
	   Internal border of number pixels. This resource is limited to 100;
	   option -b.

       externalBorder: number
	   External border of number pixels. This resource is limited to 100;
	   option -w, -bw, -borderwidth.

       borderLess: boolean
	   Set MWM hints to request a borderless window, i.e. if honoured by
	   the WM, the rxvt-unicode window will not have window decorations;
	   option -bl.

       skipBuiltinGlyphs: boolean
	   Compile frills: Disable the usage of the built-in block
	   graphics/line drawing characters and just rely on what the
	   specified fonts provide. Use this if you have a good font and want
	   to use its block graphic glyphs; option -sbg.

       termName: termname
	   Specifies the terminal type name to be set in the TERM environment
	   variable; option -tn.

       lineSpace: number
	   Specifies number of lines (pixel height) to insert between each row
	   of the display [default 0]; option -lsp.

       meta8: boolean
	   True: handle Meta (Alt) + keypress to set the 8th bit. False:
	   handle Meta (Alt) + keypress as an escape prefix [default].

       mouseWheelScrollPage: boolean
	   True: the mouse wheel scrolls a page full. False: the mouse wheel
	   scrolls five lines [default].

       pastableTabs: boolean
	   True: store tabs as wide characters. False: interpret tabs as
	   cursor movement only; option "-ptab".

       cursorBlink: boolean
	   True: blink the cursor. False: do not blink the cursor [default];
	   option -bc.

       cursorUnderline: boolean
	   True: Make the cursor underlined. False: Make the cursor a box
	   [default]; option -uc.

       pointerBlank: boolean
	   True: blank the pointer when a key is pressed or after a set number
	   of seconds of inactivity. False: the pointer is always visible
	   [default].

       pointerColor: colour
	   Mouse pointer foreground colour.

       pointerColor2: colour
	   Mouse pointer background colour.

       pointerBlankDelay: number
	   Specifies number of seconds before blanking the pointer [default
	   2]. Use a large number (e.g. 987654321) to effectively disable the
	   timeout.

       backspacekey: string
	   The string to send when the backspace key is pressed. If set to DEC
	   or unset it will send Delete (code 127) or, with control, Backspace
	   (code 8) - which can be reversed with the appropriate DEC private
	   mode escape sequence.

       deletekey: string
	   The string to send when the delete key (not the keypad delete key)
	   is pressed. If unset it will send the sequence traditionally
	   associated with the Execute key.

       cutchars: string
	   The characters used as delimiters for double-click word selection
	   (whitespace delimiting is added automatically if resource is
	   given).

	   When the perl selection extension is in use (the default if
	   compiled in, see the urxvtperl(3) manpage), a suitable regex using
	   these characters will be created (if the resource exists,
	   otherwise, no regex will be created). In this mode, characters
	   outside ISO-8859-1 can be used.

	   When the selection extension is not used, only ISO-8859-1
	   characters can be used. If not specified, the built-in default is
	   used:

	   BACKSLASH `"'&()*,;<=>?@[]^{|}

       preeditType: style
	   OverTheSpot, OffTheSpot, Root; option -pt.

       inputMethod: name
	   name of inputMethod to use; option -im.

       imLocale: name
	   The locale to use for opening the IM. You can use an "LC_CTYPE" of
	   e.g.	 "de_DE.UTF-8" for normal text processing but "ja_JP.EUC-JP"
	   for the input extension to be able to input japanese characters
	   while staying in another locale; option -imlocale.

       imFont: fontset
	   Specify the font-set used for XIM styles "OverTheSpot" or
	   "OffTheSpot". It must be a standard X font set (XLFD patterns
	   separated by commas), i.e. it's not in the same format as the other
	   font lists used in urxvt. The default will be set-up to chose *any*
	   suitable found found, preferably one or two pixels differing in
	   size to the base font.  option -imfont.

       tripleclickwords: boolean
	   Change the meaning of triple-click selection with the left mouse
	   button. Instead of selecting a full line it will extend the
	   selection to the end of the logical line only; option -tcw.

       insecure: boolean
	   Enables "insecure" mode. Rxvt-unicode offers some escape sequences
	   that echo arbitrary strings like the icon name or the locale. This
	   could be abused if somebody gets 8-bit-clean access to your
	   display, whether through a mail client displaying mail bodies
	   unfiltered or through write(1) or any other means. Therefore, these
	   sequences are disabled by default. (Note that many other terminals,
	   including xterm, have these sequences enabled by default, which
	   doesn't make it safer, though).

	   You can enable them by setting this boolean resource or specifying
	   -insecure as an option. At the moment, this enables display-answer,
	   locale, findfont, icon label and window title requests.

       modifier: modifier
	   Set the key to be interpreted as the Meta key to: alt, meta, hyper,
	   super, mod1, mod2, mod3, mod4, mod5; option -mod.

       answerbackString: string
	   Specify the reply rxvt-unicode sends to the shell when an ENQ
	   (control-E) character is passed through. It may contain escape
	   values as described in the entry on keysym following.

       secondaryScreen: boolean
	   Turn on/off secondary screen (default enabled).

       secondaryScroll: boolean
	   Turn on/off secondary screen scroll (default enabled). If this
	   option is enabled, scrolls on the secondary screen will change the
	   scrollback buffer and, when secondaryScreen is off, switching
	   to/from the secondary screen will instead scroll the screen up.

       hold: boolean
	   Turn on/off hold window after exit support. If enabled, urxvt will
	   not immediately destroy its window when the program executed within
	   it exits. Instead, it will wait till it is being killed or closed
	   by the user.

       chdir: path
	   Sets the working directory for the shell (or the command specified
	   via -e). The path must be an absolute path and it must exist for
	   urxvt to start. If it isn't specified then the current working
	   directory will be used; option -cd.

       keysym.sym: string
	   Compile frills: Associate string with keysym sym. The intervening
	   resource name keysym. cannot be omitted.

	   The format of sym is "(modifiers-)key", where modifiers can be any
	   combination of ISOLevel3, AppKeypad, Control, NumLock, Shift, Meta,
	   Lock, Mod1, Mod2, Mod3, Mod4, Mod5, and the abbreviated I, K, C, N,
	   S, M, A, L, 1, 2, 3, 4, 5.

	   The NumLock, Meta and ISOLevel3 modifiers are usually aliased to
	   whatever modifier the NumLock key, Meta/Alt keys or ISO Level3
	   Shift/AltGr keys are being mapped. AppKeypad is a synthetic
	   modifier mapped to the current application keymap mode state.

	   The spellings of key can be obtained by using xev(1) command or
	   searching keysym macros from /usr/X11R6/include/X11/keysymdef.h and
	   omitting the prefix XK_. Alternatively you can specify key by its
	   hex keysym value (0x0000 - 0xFFFF). Note that the lookup of syms is
	   not performed in an exact manner; however, the closest match is
	   assured.

	   string may contain escape values ("\n": newline, "\000": octal
	   number), see RESOURCES in "man 7 X" for further details.

	   You can define a range of keysyms in one shot by loading the
	   "keysym-list" perl extension and providing a string with pattern
	   list/PREFIX/MIDDLE/SUFFIX, where the delimiter `/' should be a
	   character not used by the strings.

	   Its usage can be demonstrated by an example:

	     URxvt.keysym.M-C-0x61:    list|\033<|abc|>

	   The above line is equivalent to the following three lines:

	     URxvt.keysym.Meta-Control-0x61:	\033<a>
	     URxvt.keysym.Meta-Control-0x62:	\033<b>
	     URxvt.keysym.Meta-Control-0x63:	\033<c>

	   If string takes the form of "command:STRING", the specified STRING
	   is interpreted and executed as urxvt's control sequence. For
	   example the following means "change the current locale to
	   "zh_CN.GBK" when Control-Meta-c is being pressed":

	     URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007

	   If string takes the form "perl:STRING", then the specified STRING
	   is passed to the "on_user_command" perl handler. See the
	   urxvtperl(3) manpage. For example, the selection extension
	   (activated via "urxvt -pe selection") listens for "selection:rot13"
	   events:

	     URxvt.keysym.M-C-c: perl:selection:rot13

	   Due the the large number of modifier combinations, a defined key
	   mapping will match if at least the specified identifiers are being
	   set, and no other key mappings with those and more bits are being
	   defined. That means that defining a key map for "a" will
	   automatically provide definitions for "Meta-a", "Shift-a" and so
	   on, unless some of those are defined mappings themselves.

	   Unfortunately, this will override built-in key mappings. For
	   example if you overwrite the "Insert" key you will disable urxvt's
	   "Shift-Insert" mapping. To re-enable that, you can poke "holes"
	   into the user-defined keymap using the "builtin:" replacement:

	     URxvt.keysym.Insert: <my insert key sequence>
	     URxvt.keysym.S-Insert: builtin:

	   The first line defines a mapping for "Insert" and any combination
	   of modifiers. The second line re-establishes the default mapping
	   for "Shift-Insert".

	   The following example will map Control-Meta-1 and Control-Meta-2 to
	   the fonts "suxuseuro" and "9x15bold", so you can have some limited
	   font-switching at runtime:

	     URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007
	     URxvt.keysym.M-C-2: command:\033]50;9x15bold\007

	   Other things are possible, e.g. resizing (see urxvt(7) for more
	   info):

	     URxvt.keysym.M-C-3: command:\033[8;25;80t
	     URxvt.keysym.M-C-4: command:\033[8;48;110t

       perl-ext-common: string
       perl-ext: string
	   Comma-separated list(s) of perl extension scripts (default:
	   "default") to use in this terminal instance; option -pe.

	   Extension names can be prefixed with a "-" sign to prohibit using
	   them. This can be useful to selectively disable some extensions
	   loaded by default, or specified via the "perl-ext-common" resource.
	   For example, "default,-selection" will use all the default
	   extension except "selection".

	   Extension names can also be followed by an argument in angle
	   brackets (e.g.  "searchable-scrollback<M-s>", which binds the
	   hotkey for searchable scrollback to Alt/Meta-s). Mentioning the
	   same extension multiple times with different arguments will pass
	   multiple arguments to the extension.

	   Each extension is looked up in the library directories, loaded if
	   necessary, and bound to the current terminal instance.

	   If both of these resources are the empty string, then the perl
	   interpreter will not be initialized. The idea behind two options is
	   that perl-ext-common will be used for extensions that should be
	   available to all instances, while perl-ext is used for specific
	   instances.

       perl-eval: string
	   Perl code to be evaluated when all extensions have been registered.
	   See the urxvtperl(3) manpage.

       perl-lib: path
	   Colon-separated list of additional directories that hold extension
	   scripts. When looking for perl extensions, urxvt will first look in
	   these directories, then in $HOME/.urxvt/ext and lastly in
	   /usr/lib/urxvt/perl/.

	   See the urxvtperl(3) manpage.

       selection.pattern-idx: perl-regex
	   Additional selection patterns, see the urxvtperl(3) manpage for
	   details.

       selection-autotransform.idx: perl-transform
	   Selection auto-transform patterns, see the urxvtperl(3) manpage for
	   details.

       searchable-scrollback: keysym
	   Sets the hotkey that starts the incremental scrollback buffer
	   search (default: "M-s").

       urlLauncher: string
	   Specifies the program to be started with a URL argument. Used by
	   the "selection-popup" and "matcher" perl extensions.

       transient-for: windowid
	   Compile frills: Sets the WM_TRANSIENT_FOR property to the given
	   window id.

       override-redirect: boolean
	   Compile frills: Sets override-redirect for the terminal window,
	   making it almost invisible to window managers; option
	   -override-redirect.

       iso14755: boolean
	   Turn on/off ISO 14755 (default enabled).

       iso14755_52: boolean
	   Turn on/off ISO 14755 5.2 mode (default enabled).

THE SCROLLBAR
       Lines of text that scroll off the top of the urxvt window (resource:
       saveLines) and can be scrolled back using the scrollbar or by
       keystrokes. The normal urxvt scrollbar has arrows and its behaviour is
       fairly intuitive. The xterm-scrollbar is without arrows and its
       behaviour mimics that of xterm

       Scroll down with Button1 (xterm-scrollbar) or Shift-Next.  Scroll up
       with Button3 (xterm-scrollbar) or Shift-Prior.  Continuous scroll with
       Button2.

MOUSE REPORTING
       To temporarily override mouse reporting, for either the scrollbar or
       the normal text selection/insertion, hold either the Shift or the Meta
       (Alt) key while performing the desired mouse action.

       If mouse reporting mode is active, the normal scrollbar actions are
       disabled -- on the assumption that we are using a fullscreen
       application. Instead, pressing Button1 and Button3 sends ESC [ 6 ~
       (Next) and ESC [ 5 ~ (Prior), respectively. Similarly, clicking on the
       up and down arrows sends ESC [ A (Up) and ESC [ B (Down), respectively.

THE SELECTION: SELECTING AND PASTING TEXT
       The behaviour of text selection and insertion/pasting mechanism is
       similar to xterm(1).

       Selecting:
	   Left click at the beginning of the region, drag to the end of the
	   region and release; Right click to extend the marked region; Left
	   double-click to select a word; Left triple-click to select the
	   entire logical line (which can span multiple screen lines), unless
	   modified by resource tripleclickwords.

	   Starting a selection while pressing the Meta key (or Meta+Ctrl
	   keys) (Compile: frills) will create a rectangular selection instead
	   of a normal one. In this mode, every selected row becomes its own
	   line in the selection, and trailing whitespace is visually
	   underlined and removed from the selection.

       Pasting:
	   Pressing and releasing the Middle mouse button in an urxvt window
	   causes the value of the PRIMARY selection (or CLIPBOARD with the
	   Meta modifier) to be inserted as if it had been typed on the
	   keyboard.

	   Pressing Shift-Insert causes the value of the PRIMARY selection to
	   be inserted too.

CHANGING FONTS
       Changing fonts (or font sizes, respectively) via the keypad is not yet
       supported in rxvt-unicode. Bug me if you need this.

       You can, however, switch fonts at runtime using escape sequences, e.g.:

	  printf '\e]710;%s\007' "9x15bold,xft:Kochi Gothic"

       You can use keyboard shortcuts, too:

	  URxvt.keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007
	  URxvt.keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007

       rxvt-unicode will automatically re-apply these fonts to the output so
       far.

ISO 14755 SUPPORT
       ISO 14755 is a standard for entering and viewing unicode characters and
       character codes using the keyboard. It consists of 4 parts. The first
       part is available if rxvt-unicode has been compiled with
       "--enable-frills", the rest is available when rxvt-unicode was compiled
       with "--enable-iso14755".

       ·   5.1: Basic method

	   This allows you to enter unicode characters using their hexcode.

	   Start by pressing and holding both "Control" and "Shift", then
	   enter hex-digits (between one and six). Releasing "Control" and
	   "Shift" will commit the character as if it were typed directly.
	   While holding down "Control" and "Shift" you can also enter
	   multiple characters by pressing "Space", which will commit the
	   current character and lets you start a new one.

	   As an example of use, imagine a business card with a japanese
	   e-mail address, which you cannot type. Fortunately, the card has
	   the e-mail address printed as hexcodes, e.g. "671d 65e5". You can
	   enter this easily by pressing "Control" and "Shift", followed by
	   "6-7-1-D-SPACE-6-5-E-5", followed by releasing the modifier keys.

       ·   5.2: Keyboard symbols entry method

	   This mode lets you input characters representing the keycap symbols
	   of your keyboard, if representable in the current locale encoding.

	   Start by pressing "Control" and "Shift" together, then releasing
	   them. The next special key (cursor keys, home etc.) you enter will
	   not invoke its usual function but instead will insert the
	   corresponding keycap symbol. The symbol will only be entered when
	   the key has been released, otherwise pressing e.g. "Shift" would
	   enter the symbol for "ISO Level 2 Switch", although your intention
	   might have been to enter a reverse tab (Shift-Tab).

       ·   5.3: Screen-selection entry method

	   While this is implemented already (it's basically the selection
	   mechanism), it could be extended by displaying a unicode character
	   map.

       ·   5.4: Feedback method for identifying displayed characters for later
	   input

	   This method lets you display the unicode character code associated
	   with characters already displayed.

	   You enter this mode by holding down "Control" and "Shift" together,
	   then pressing and holding the left mouse button and moving around.
	   The unicode hex code(s) (it might be a combining character) of the
	   character under the pointer is displayed until you release
	   "Control" and "Shift".

	   In addition to the hex codes it will display the font used to draw
	   this character - due to implementation reasons, characters combined
	   with combining characters, line drawing characters and unknown
	   characters will always be drawn using the built-in support font.

       With respect to conformance, rxvt-unicode is supposed to be compliant
       to both scenario A and B of ISO 14755, including part 5.2.

LOGIN STAMP
       urxvt tries to write an entry into the utmp(5) file so that it can be
       seen via the who(1) command, and can accept messages.  To allow this
       feature, urxvt may need to be installed setuid root on some systems or
       setgid to root or to some other group on others.

COLOURS AND GRAPHICS
       In addition to the default foreground and background colours, urxvt can
       display up to 88/256 colours: 8 ANSI colours plus high-intensity
       (potentially bold/blink) versions of the same, and 72 (or 240 in 256
       colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB cube
       plus a 8 (24) colour greyscale ramp.

       Here is a list of the ANSI colours with their names.

       color0	    (black)	       = Black
       color1	    (red)	       = Red3
       color2	    (green)	       = Green3
       color3	    (yellow)	       = Yellow3
       color4	    (blue)	       = Blue3
       color5	    (magenta)	       = Magenta3
       color6	    (cyan)	       = Cyan3
       color7	    (white)	       = AntiqueWhite
       color8	    (bright black)     = Grey25
       color9	    (bright red)       = Red
       color10	    (bright green)     = Green
       color11	    (bright yellow)    = Yellow
       color12	    (bright blue)      = Blue
       color13	    (bright magenta)   = Magenta
       color14	    (bright cyan)      = Cyan
       color15	    (bright white)     = White
       foreground		       = Black
       background		       = White

       It is also possible to specify the colour values of foreground,
       background, cursorColor, cursorColor2, colorBD, colorUL as a number
       0-15, as a convenient shorthand to reference the colour name of
       color0-color15.

       The following text gives values for the standard 88 colour mode (and
       values for the 256 colour mode in parentheses).

       The RGB cube uses indices 16..79 (16..231) using the following
       formulas:

	  index_88  = (r *  4 + g) *  4 + b + 16   # r, g, b = 0..3
	  index_256 = (r * 16 + g) * 16 + b + 16   # r, g, b = 0..15

       The grayscale ramp uses indices 80..87 (232..239), from 10% to 90% in
       10% steps (1/26 to 25/26 in 1/26 steps) - black and white are already
       part of the RGB cube.

       Together, all those colours implement the 88 (256) colour xterm
       colours. Only the first 16 can be changed using resources currently,
       the rest can only be changed via command sequences ("escape codes").

       Applications are advised to use terminfo or command sequences to
       discover number and RGB values of all colours (yes, you can query
       this...).

       Note that -rv ("reverseVideo: True") simulates reverse video by always
       swapping the foreground/background colours. This is in contrast to
       xterm(1) where the colours are only swapped if they have not otherwise
       been specified. For example,

	  urxvt -fg Black -bg White -rv

       would yield White on Black, while on xterm(1) it would yield Black on
       White.

   ALPHA CHANNEL SUPPORT
       If Xft support has been compiled in and as long as Xft/Xrender/X don't
       get their act together, rxvt-unicode will do its own alpha channel
       management:

       You can prefix any colour with an opaqueness percentage enclosed in
       brackets, i.e. "[percent]", where "percent" is a decimal percentage
       (0-100) that specifies the opacity of the colour, where 0 is completely
       transparent and 100 is completely opaque. For example, "[50]red" is a
       half-transparent red, while "[95]#00ff00" is an almost opaque green.
       This is the recommended format to specify transparency values, and
       works with all ways to specify a colour.

       For complete control, rxvt-unicode also supports
       "rgba:rrrr/gggg/bbbb/aaaa" (exactly four hex digits/component) colour
       specifications, where the additional "aaaa" component specifies opacity
       (alpha) values. The minimum value of 0000 is completely transparent,
       while "ffff" is completely opaque). The two example colours from
       earlier could also be specified as "rgba:ff00/0000/0000/8000" and
       "rgba:0000/ff00/0000/f332".

       You probably need to specify "-depth 32", too, to force a visual with
       alpha channels, and have the luck that your X-server uses ARGB pixel
       layout, as X is far from just supporting ARGB visuals out of the box,
       and rxvt-unicode just fudges around.

       For example, the following selects an almost completely transparent
       black background, and an almost opaque pink foreground:

	  urxvt -depth 32 -bg rgba:0000/0000/0000/4444 -fg "[80]pink"

       When not using a background image, then the interpretation of the alpha
       channel is up to your compositing manager (most interpret it as
       transparency of course).

       When using a background pixmap or pseudo-transparency, then the
       background colour will always behave as if it were completely
       transparent (so the background image shows instead), regardless of how
       it was specified, while other colours will either be transparent as
       specified (the background image will show through) on servers
       supporting the RENDER extension, or fully opaque on servers not
       supporting the RENDER EXTENSION.

       Please note that due to bugs in Xft, specifying alpha values might
       result in garbage being displayed when the X-server does not support
       the RENDER extension.

ENVIRONMENT
       urxvt sets and/or uses the following environment variables:

       TERM
	   Normally set to "rxvt-unicode", unless overwritten at configure
	   time, via resources or on the command line.

       COLORTERM
	   Either "rxvt", "rxvt-xpm", depending on whether urxvt was compiled
	   with background image support, and optionally with the added
	   extension "-mono" to indicate that rxvt-unicode runs on a
	   monochrome screen.

       COLORFGBG
	   Set to a string of the form "fg;bg" or "fg;xpm;bg", where "fg" is
	   the colour code used as default foreground/text colour (or the
	   string "default" to indicate that the default-colour escape
	   sequence is to be used), "bg" is the colour code used as default
	   background colour (or the string "default"), and "xpm" is the
	   string "default" if urxvt was compiled with background image
	   support. Libraries like "ncurses" and "slang" can (and do) use this
	   information to optimize screen output.

       WINDOWID
	   Set to the (decimal) X Window ID of the urxvt window (the toplevel
	   window, which usually has subwindows for the scrollbar, the
	   terminal window and so on).

       TERMINFO
	   Set to the terminfo directory iff urxvt was configured with
	   "--with-terminfo=PATH".

       DISPLAY
	   Used by urxvt to connect to the display and set to the correct
	   display in its child processes if "-display" isn't used to
	   override. It defaults to ":0" if it doesn't exist.

       SHELL
	   The shell to be used for command execution, defaults to "/bin/sh".

       RXVT_SOCKET
	   The unix domain socket path used by urxvtc(1) and urxvtd(1).

	   Default $HOME/.urxvt/urxvtd-<nodename>.

       HOME
	   Used to locate the default directory for the unix domain socket for
	   daemon communications and to locate various resource files (such as
	   ".Xdefaults")

       XAPPLRESDIR
	   Directory where application-specific X resource files are located.

       XENVIRONMENT
	   If set and accessible, gives the name of a X resource file to be
	   loaded by urxvt.

FILES
       /etc/X11/rgb.txt
	   Colour names.

SEE ALSO
       urxvt(7), urxvtc(1), urxvtd(1), xterm(1), sh(1), resize(1), X(1),
       pty(4), tty(4), utmp(5)

CURRENT PROJECT COORDINATOR
       Project Coordinator
	   Marc A. Lehmann <rxvt-unicode@schmorp.de>

	   http://software.schmorp.de/pkg/rxvt-unicode.html
	   <http://software.schmorp.de/pkg/rxvt-unicode.html>

AUTHORS
       John Bovey
	   University of Kent, 1992, wrote the original Xvt.

       Rob Nation <nation@rocket.sanders.lockheed.com>
	   very heavily modified Xvt and came up with Rxvt

       Angelo Haritsis <ah@doc.ic.ac.uk>
	   wrote the Greek Keyboard Input (no longer in code)

       mj olesen <olesen@me.QueensU.CA>
	   Wrote the menu system.

	   Project Coordinator (changes.txt 2.11 to 2.21)

       Oezguer Kesim <kesim@math.fu-berlin.de>
	   Project Coordinator (changes.txt 2.21a to 2.4.5)

       Geoff Wing <gcw@pobox.com>
	   Rewrote screen display and text selection routines.

	   Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)

       Marc Alexander Lehmann <rxvt-unicode@schmorp.de>
	   Forked rxvt-unicode, unicode support, rewrote almost all the code,
	   perl extension, random hacks, numerous bugfixes and extensions.

	   Project Coordinator (Changes 1.0 -)

       Emanuele Giaquinta <e.giaquinta@glauco.it>
	   pty/utmp code rewrite, image code improvements, many random hacks
	   and bugfixes.

9.15				  2012-06-29			      urxvt(1)
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