[ViewVC] Diff of: cvs/rxvt-unicode/doc/rxvt.1.pod

Comparing rxvt-unicode/doc/rxvt.1.pod (file contents):
Revision 1.100 by root, Thu Jan 19 18:02:28 2006 UTC vs.
Revision 1.257 by root, Mon Nov 22 17:01:05 2021 UTC

 emulator intended as an I<xterm>(1) replacement for users who do not
 require features such as Tektronix 4014 emulation and toolkit-style
 configurability. As a result, B<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
+L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.1.pod>.
 =head1 FREQUENTLY ASKED QUESTIONS
 See @@RXVT_NAME@@(7) (try C<man 7 @@RXVT_NAME@@>) 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
-L<http://cvs.schmorp.de/browse/*checkout*/rxvt-unicode/doc/rxvt.7.html>.
+L<http://pod.tst.eu/http://cvs.schmorp.de/rxvt-unicode/doc/rxvt.7.pod>.
 =head1 RXVT-UNICODE VS. RXVT
 Unlike the original rxvt, B<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 devenagari. Don't expect pretty output when using these
+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 left-to-right scripts, such
+fine, though. A somewhat difficult case are right-to-left scripts, such
 as hebrew: B<rxvt-unicode> adopts the view that bidirectional algorithms
-belong into the application, not the terminal emulator (too many things --
+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 C<mlterm>, which is a very userfriendly, lean and clean
+me recommend C<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 C<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 it's users never made sense to me: You should be able
+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
-it's predecessor, supports things such as XFT and ISO 14755 that are handy
+its predecessor, supports things such as XFT and ISO 14755 that are handy
-in i18n-environments, is faster, and has a lot less bugs than the original
+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 it's features to get a lean binary. It also comes with
+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 @@RXVT_NAME@@d(1) (daemon) and
 @@RXVT_NAME@@c(1) (client).
 It also makes technical information about escape sequences (which have
-been extended) easier accessible: see @@RXVT_NAME@@(7) for technical
+been extended) more accessible: see @@RXVT_NAME@@(7) for technical
 reference documentation (escape sequences etc.).
 =head1 OPTIONS
 The B<@@RXVT_NAME@@> options (mostly a subset of I<xterm>'s) are listed
 far greater than those listed. For example: `@@RXVT_NAME@@ --loginShell --color1
 Orange'.
 The following options are available:
-=over 4
+=over
 =item B<-help>, B<--help>
 Print out a message describing available options.
 =item B<-display> I<displayname>
-Attempt to open a window on the named X display (B<-d> still
+Attempt to open a window on the named X display (the older form B<-d>
-respected). In the absence of this option, the display specified by the
+is still respected. but deprecated). In the absence of this option, the
-B<DISPLAY> environment variable is used.
+display specified by the B<DISPLAY> environment variable is used.
+=item B<-depth> I<bitdepth>
+Compile I<frills>: Attempt to find a visual with the given bit depth;
+resource B<depth>.
+[Please note that many X servers (and libXft) are buggy with
+respect to C<-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]
+=item B<-visual> I<visualID>
+Compile I<frills>: Use the given visual (see e.g. C<xdpyinfo> for
+possible visual ids) instead of the default, and also allocate a private
+colormap. All visual types except for DirectColor are supported.
 =item B<-geometry> I<geom>
 Window geometry (B<-g> still respected); resource B<geometry>.
 Turn on/off simulated reverse video; resource B<reverseVideo>.
 =item B<-j>|B<+j>
-Turn on/off jump scrolling; resource B<jumpScroll>.
+Turn on/off jump scrolling (allow multiple lines per refresh); resource B<jumpScroll>.
-=item B<-ip>|B<+ip> | B<-tr>|B<+tr>
+=item B<-ss>|B<+ss>
-Turn on/off inheriting parent window's pixmap. Alternative form is
+Turn on/off skip scrolling (allow multiple screens per refresh); resource B<skipScroll>.
-B<-tr>; resource B<inheritPixmap>.
 =item B<-fade> I<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 B<fading>.
 =item B<-fadecolor> I<colour>
 Fade to this colour when fading is used (see B<-fade>). The default colour
-is black. resource B<fadeColor>.
+is opaque black. resource B<fadeColor>.
-=item B<-tint> I<colour>
+=item B<-icon> I<file>
-Tint the transparent background pixmap with the given colour when
+Compile I<pixbuf>: Use the specified image as application icon. This
-transparency is enabled with B<-tr> or B<-ip>. This only works for
+is used by many window managers, taskbars and pagers to represent the
-non-tiled backgrounds, currently. See also the B<-sh> option that can be
+application window; resource I<iconFile>.
-used to brighten or darken the image in addition to tinting it; resource
-I<tintColor>. Example:
-   @@RXVT_NAME@@ -tr -tint blue -sh 40
-=item B<-sh>
-I<number> Darken (0 .. 100) or lighten (-1 .. -100) the transparent
-background image in addition to tinting it (i.e. B<-tint> must be
-specified, too, e.g. C<-tint white>).
 =item B<-bg> I<colour>
 Window background colour; resource B<background>.
 =item B<-fg> I<colour>
 Window foreground colour; resource B<foreground>.
-=item B<-pixmap> I<file[;geom]>
-Compile I<XPM>: Specify XPM file for the background and also optionally
-specify its scaling with a geometry string. Note you may need to
-add quotes to avoid special shell interpretation of the C<;> in the
-command-line; resource B<backgroundPixmap>.
 =item B<-cr> I<colour>
 The cursor colour; resource B<cursorColor>.
 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 B<font> for more details.
-In short, to specify an X11 core font, just specify it's name or prefix it
+In short, to specify an X11 core font, just specify its name or prefix it
 with C<x:>. To specify an XFT-font, you need to prefix it with C<xft:>,
 e.g.:
    @@RXVT_NAME@@ -fn "xft:Bitstream Vera Sans Mono:pixelsize=15"
    @@RXVT_NAME@@ -fn "9x15bold,xft:Bitstream Vera Sans Mono"
 italic> >> characters are to be printed. See resource B<boldItalicFont>
 for details.
 =item B<-is>|B<+is>
-Compile I<font-styles>: Bold/Italic font styles imply high intensity
+Compile I<font-styles>: Bold/Blink font styles imply high intensity
 foreground/background (default). See resource B<intensityStyles> for
 details.
 =item B<-name> I<name>
 =item B<-ls>|B<+ls>
 Start as a login-shell/sub-shell; resource B<loginShell>.
+=item B<-mc> I<milliseconds>
+Specify the maximum time between multi-click selections.
 =item B<-ut>|B<+ut>
 Compile I<utmp>: Inhibit/enable writing a utmp entry; resource
 B<utmpInhibit>.
 B<visualBell>.
 =item B<-sb>|B<+sb>
 Turn on/off scrollbar; resource B<scrollBar>.
+=item B<-sr>|B<+sr>
+Put scrollbar on right/left; resource B<scrollBar_right>.
+=item B<-st>|B<+st>
+Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
+resource B<scrollBar_floating>.
 =item B<-si>|B<+si>
 Turn on/off scroll-to-bottom on TTY output inhibit; resource
 B<scrollTtyOutput> has opposite effect.
 =item B<-sw>|B<+sw>
 Turn on/off scrolling with the scrollback buffer as new lines appear.
 This only takes effect if B<-si> is also given; resource
 B<scrollWithBuffer>.
-=item B<-sr>|B<+sr>
-Put scrollbar on right/left; resource B<scrollBar_right>.
-=item B<-st>|B<+st>
-Display rxvt (non XTerm/NeXT) scrollbar without/with a trough;
-resource B<scrollBar_floating>.
 =item B<-ptab>|B<+ptab>
 If enabled (default), "Horizontal Tab" characters are being stored as
 actual wide characters in the screen buffer, which makes it possible to
 =item B<-bc>|B<+bc>
 Blink the cursor; resource B<cursorBlink>.
+=item B<-uc>|B<+uc>
+Make the cursor underlined; resource B<cursorUnderline>.
 =item B<-iconic>
 Start iconified, if the window manager supports that option.
 Alternative form is B<-ic>.
 =item B<-bl>
 Compile I<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 B<borderLess>.
+decorations; resource B<borderLess>. If the window manager does not
+support MWM hints (e.g. kwin), enables override-redirect mode.
 =item B<-override-redirect>
 Compile I<frills>: Sets override-redirect on the window; resource
 B<override-redirect>.
+=item B<-dockapp>
+Sets the initial state of the window to WithdrawnState, which makes
+window managers that support this extension treat it as a dockapp.
 =item B<-sbg>
 Compile I<frills>: Disable the usage of the built-in block graphics/line
 drawing characters and just rely on what the specified fonts provide. Use
 =item B<-lsp> I<number>
 Compile I<frills>: Lines (pixel height) to insert between each row of
 the display. Useful to work around font rendering problems; resource
-B<linespace>.
+B<lineSpace>.
+=item B<-letsp> I<number>
+Compile I<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 B<letterSpace>.
 =item B<-tn> I<termname>
 This option specifies the name of the terminal type to be set in the
 B<TERM> environment variable. This terminal type must exist in the
 =item B<-pt> I<style>
 Compile I<XIM>: input style for input method; B<OverTheSpot>,
 B<OffTheSpot>, B<Root>; resource B<preeditType>.
+If the perl extension C<xim-onthespot> is used (which is the default),
+then additionally the C<OnTheSpot> preedit type is available.
 =item B<-im> I<text>
 Compile I<XIM>: input method name. resource B<inputMethod>.
 =item B<-imlocale> I<string>
 for more info.
 =item B<-tcw>
 Change the meaning of triple-click selection with the left mouse
+button. Only effective when the original (non-perl) selection code is
-button. Instead of selecting a full line it will extend the selection the
+in-use. Instead of selecting a full line it will extend the selection to
-end of the logical line only. resource B<tripleclickwords>.
+the end of the logical line only. resource B<tripleclickwords>.
+=item B<-dpb>|B<+dpb>
+Compile frills: Disable (or enable) emitting bracketed paste mode
+sequences (default enabled). Bracketed paste mode allows programs
+to detect when something is pasted. Since more and more programs
+abuse this, these sequences can be disabled. The command sequences to
+enable and query paste mode will still work, but the actual bracket
+sequences will no longer be emitted. You can also toggle this from the
+ctrl-middle-mouse-button menu; resource B<disablePasteBrackets>.
 =item B<-insecure>
 Enable "insecure" mode, which currently enables most of the escape
 sequences that echo strings. See the resource B<insecure> for more
 =item B<-ssr>|B<+ssr>
 Turn on/off secondary screen scroll (default enabled); resource
 B<secondaryScroll>.
+=item B<-rm> I<mode>
+Compile I<frills>: Sets long line rewrapping behaviour on window resizes
+to one of B<auto> (the default), B<always> or B<never>. The latter two
+modes do the obvious, B<auto> rewraps (acts like B<always>) if scrollback
+is non-empty, and wings lines (acts like B<never>) otherwise; resource
+B<rewrapMode>.
 =item B<-hold>|B<+hold>
 Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
 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 B<hold>.
+=item B<-cd> I<path>
+Sets the working directory for the shell (or the command specified via
+B<-e>). The I<path> must be an absolute path and it must exist for
+@@RXVT_NAME@@ to start; resource B<chdir>.
+=item B<-xrm> I<string>
+Works like the X Toolkit option of the same name, by adding the I<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 I<same> syntax as in the .Xdefaults file,
+e.g. C<*.background: black>. Also note that all @@RXVT_NAME@@-specific
+options can be specified as long-options on the commandline, so use
+of B<-xrm> is mostly limited to cases where you want to specify other
+resources (e.g. for input methods) or for compatibility with other
+programs.
 =item B<-keysym.>I<sym> I<string>
 Remap a key symbol. See resource B<keysym>.
 =item B<-embed> I<windowid>
-Tells @@RXVT_NAME@@ to embed it's windows into an already-existing window,
+Tells @@RXVT_NAME@@ to embed its windows into an already-existing window,
 which enables applications to easily embed a terminal.
 Right now, @@RXVT_NAME@@ will first unmap/map the specified window, so it
 shouldn't be a top-level window. @@RXVT_NAME@@ will also reconfigure it
 quite a bit, so don't expect it to keep some specific state. It's best to
 The window will not be destroyed when @@RXVT_NAME@@ exits.
 It might be useful to know that @@RXVT_NAME@@ 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 wether the C<-embed> option was used or
+terminal. This works regardless of whether the C<-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 F<doc/embed>):
    });
 =item B<-pty-fd> I<file descriptor>
 Tells @@RXVT_NAME@@ NOT to execute any commands or create a new pty/tty
-pair but instead use the given filehandle as the tty master. This is
+pair but instead use the given file descriptor as the tty master. This is
 useful if you want to drive @@RXVT_NAME@@ as a generic terminal emulator
 without having to run a program within it.
 If this switch is given, @@RXVT_NAME@@ 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 C<-1> will completely suppress
-pty/tty operations.
+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 F<doc/pty-fd>):
    use IO::Pty;
    # now communicate with rxvt
    my $slave = $pty->slave;
    while (<$slave>) { print $slave "got <$_>\n" }
+Note that, despite what the name might imply, the file descriptor does not
+need to be a pty, it can be a bi-directional pipe as well (e.g. a unix
+domain or tcp socket). While tty operations cannot be done in this case,
+B<@@RXVT_NAME@@> can still be remote controlled with it:
+   use Socket;
+   use Fcntl;
+   socketpair my $URXVT, my $slave, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC;
+   fcntl $slave, Fcntl::F_SETFD, 0;
+   system "exec @@RXVT_NAME|| -pty-fd " . (fileno $slave) . " &";
+   close $slave;
+   syswrite $URXVT, "Type a secret password: ";
+   my $secret = do { local $/ = "\r"; <$URXVT> };
+   print "Not so secret anymore: $secret\n";
 =item B<-pe> I<string>
 Comma-separated list of perl extension scripts to use (or not to use) in
 this terminal instance. See resource B<perl-ext> for details.
 =back
-=head1 RESOURCES (available also as long-options)
+=head1 RESOURCES
 Note: `@@RXVT_NAME@@ --help' gives a list of all resources (long
-options) compiled into your version.
+options) compiled into your version. All resources are also available as
+long-options.
 You can set and change the resources using X11 tools like B<xrdb>. Many
 distribution do also load settings from the B<~/.Xresources> file when X
 starts. @@RXVT_NAME@@ will consult the following files/resources in order,
 with later settings overwriting earlier ones:
-  1. system-wide app-defaults file, either locale-dependent OR global
-  2. app-defaults file in $XAPPLRESDIR
+  1. app-defaults file in $XAPPLRESDIR
+  2. $HOME/.Xdefaults
-  3. RESOURCE_MANAGER property on root-window OR $HOME/.Xdefaults
+  3. RESOURCE_MANAGER property on root-window of screen 0
-  4. SCREEN_RESOURCES for the current screen
+  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, B<@@RXVT_NAME@@> recognizes two class
 names: B<Rxvt> and B<URxvt>. The class name B<Rxvt> allows resources
 common to both B<@@RXVT_NAME@@> and the original I<rxvt> to be easily
 configured, while the class name B<URxvt> allows resources unique to
 be used. Command-line arguments can be used to override resource
 settings. The following resources are supported (you might want to
 check the @@RXVT_NAME@@perl(3) manpage for additional settings by perl
 extensions not documented here):
-=over 4
+=over
+=item B<depth:> I<bitdepth>
+Compile I<xft>: Attempt to find a visual with the given bit depth;
+option B<-depth>.
+=item B<buffered:> I<boolean>
+Compile I<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.
 =item B<geometry:> I<geom>
 Create the window with the specified X window geometry [default 80x24];
 option B<-geometry>.
 Use the specified colour for the colour value I<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 B<COLORS AND GRAPHICS> section.
+names used are listed in the B<COLOURS AND GRAPHICS> section.
 Colours higher than 15 cannot be set using resources (yet), but can be
 changed using an escape command (see @@RXVT_NAME@@(7)).
 Colours 16-79 form a standard 4x4x4 colour cube (the same as xterm with
 =item B<colorUL:> I<colour>
 Use the specified colour to display underlined characters when the
 foreground colour is the default.
-=item B<colorRV:> I<colour>
-Use the specified colour as the background for reverse video
-characters.
 =item B<underlineColor:> I<colour>
 If set, use the specified colour as the colour for the underline
 itself. If unset, use the foreground colour.
+=item B<highlightColor:> I<colour>
+If set, use the specified colour as the background for highlighted
+characters. If unset, use reverse video.
+=item B<highlightTextColor:> I<colour>
+If set and highlightColor is set, use the specified colour as the
+foreground for highlighted characters.
 =item B<cursorColor:> I<colour>
 Use the specified colour for the cursor. The default is to use the
 foreground colour; option B<-cr>.
 =item B<reverseVideo:> I<boolean>
 B<True>: simulate reverse video by foreground and background colours;
 option B<-rv>. B<False>: regular screen colours [default]; option
-B<+rv>. See note in B<COLORS AND GRAPHICS> section.
+B<+rv>. See note in B<COLOURS AND GRAPHICS> section.
 =item B<jumpScroll:> I<boolean>
-B<True>: specify that jump scrolling should be used. When scrolling
+B<True>: specify that jump scrolling should be used. When receiving lots
-quickly, fewer screen updates are performed [default]; option B<-j>.
+of lines, @@RXVT_NAME@@ will only scroll once a whole screen height of lines
+has been read, resulting in fewer updates while still displaying every
+received line; option B<-j>.
-B<False>: specify that smooth scrolling should be used; option B<+j>.
+B<False>: specify that smooth scrolling should be used. @@RXVT_NAME@@ will
+force a screen refresh on each new line it received; option B<+j>.
-=item B<inheritPixmap:> I<boolean>
+=item B<skipScroll:> I<boolean>
-B<True>: make the background inherit the parent windows' pixmap, giving
+B<True>: (the default) specify that skip scrolling should be used. When
-artificial transparency. B<False>: do not inherit the parent windows'
+receiving lots of lines, @@RXVT_NAME@@ will only scroll once in a while
-pixmap.
+(around 60 times per second), resulting in far fewer updates. This can
+result in @@RXVT_NAME@@ not ever displaying some of the lines it receives;
+option B<-ss>.
+B<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 B<+ss>.
 =item B<fading:> I<number>
 Fade the text by the given percentage when focus is lost; option B<-fade>.
 =item B<fadeColor:> I<colour>
 Fade to this colour, when fading is used (see B<fading:>). The default
 colour is black; option B<-fadecolor>.
-=item B<tintColor:> I<colour>
+=item B<iconFile:> I<file>
-Tint the transparent background pixmap with the given colour; option
+Set the application icon pixmap; option B<-icon>.
-B<-tint>.
-=item B<shading:> I<number>
-Darken (0 .. 100) or lighten (-1 .. -100) the transparent background
-image in addition to tinting it.
 =item B<scrollColor:> I<colour>
 Use the specified colour for the scrollbar [default #B2B2B2].
 =item B<borderColor:> I<colour>
 The colour of the border around the text area and between the scrollbar
 and the text.
-=item B<backgroundPixmap:> I<file[;geom]>
-Use the specified XPM file (note the `.xpm' extension is optional) for
-the background and also optionally specify its scaling with a geometry
-string B<WxH+X+Y>, in which B<"W" / "H"> specify the
-horizontal/vertical scale (percent) and B<"X" / "Y"> locate the image
-centre (percent). A scale of 0 displays the image with tiling. A scale
-of 1 displays the image without any scaling. A scale of 2 to 9
-specifies an integer number of images in that direction. No image will
-be magnified beyond 10 times its original size. The maximum permitted
-scale is 1000. [default 0x0+50+50]
-=item B<path:> I<path>
-Specify the colon-delimited search path for finding XPM files.
 =item B<font:> I<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
 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 less characters, so this is a
+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 B<JIS 0208> codeset (i.e. japanese kanji). The font
 contains other characters, but we are not interested in them.
 text font will being used for the given style.
 =item B<intensityStyles:> I<boolean>
 When font styles are not enabled, or this option is enabled (B<True>,
-option B<-is>, the default), bold and italic font styles imply high
+option B<-is>, the default), bold/blink font styles imply high
-intensity foreground/backround colours. Disabling this option (B<False>,
+intensity foreground/background colours. Disabling this option (B<False>,
 option B<+is>) disables this behaviour, the high intensity colours are not
 reachable.
-=item B<selectstyle:> I<mode>
-Set mouse selection style to B<old> which is 2.20, B<oldword> which is
-xterm style with 2.20 old word selection, or anything else which gives
-xterm style selection.
-=item B<scrollstyle:> I<mode>
-Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
-the author's favourite.
 =item B<title:> I<string>
 Set window title string, the default title is the command-line
 specified after the B<-e> option, if any, otherwise the application
 =item B<mapAlert:> I<boolean>
 B<True>: de-iconify (map) on receipt of a bell character. B<False>: no
 de-iconify (map) on receipt of a bell character [default].
+=item B<urgentOnBell:> I<boolean>
+B<True>: set the urgency hint for the wm on receipt of a bell character.
+B<False>: do not set the urgency hint [default].
+@@RXVT_NAME@@ resets the urgency hint on every focus change.
 =item B<visualBell:> I<boolean>
 B<True>: use visual bell on receipt of a bell character; option B<-vb>.
 B<False>: no visual bell [default]; option B<+vb>.
 B<True>: start as a login shell by prepending a `-' to B<argv[0]> of
 the shell; option B<-ls>. B<False>: start as a normal sub-shell
 [default]; option B<+ls>.
+=item B<multiClickTime:> I<number>
+Specify the maximum time in milliseconds between multi-click select
+events. The default is 500 milliseconds; option B<-mc>.
 =item B<utmpInhibit:> I<boolean>
 B<True>: inhibit writing record into the system log file B<utmp>;
 option B<-ut>. B<False>: write record into the system log file B<utmp>
 [default]; option B<+ut>.
 Example:
    URxvt.print-pipe: cat > $(TMPDIR=$HOME mktemp urxvt.XXXXXX)
 This creates a new file in your home directory with the screen contents
-everytime you hit C<Print>.
+every time you hit C<Print>.
+=item B<scrollstyle:> I<mode>
+Set scrollbar style to B<rxvt>, B<plain>, B<next> or B<xterm>. B<plain> is
+the author's favourite.
+=item B<thickness:> I<number>
+Set the scrollbar width in pixels.
 =item B<scrollBar:> I<boolean>
 B<True>: enable the scrollbar [default]; option B<-sb>. B<False>:
 disable the scrollbar; option B<+sb>.
 B<False>: do not scroll to bottom when tty receives output; option
 B<+si>.
 =item B<scrollWithBuffer:> I<boolean>
-B<True>: scroll with scrollback buffer when tty receives new lines (and
+B<True>: scroll with scrollback buffer when tty receives new lines (i.e.
-B<scrollTtyOutput> is False); option B<-sw>. B<False>: do not scroll
+try to show the same lines) and B<scrollTtyOutput> is False; option
-with scrollback buffer when tty recieves new lines; option B<+sw>.
+B<-sw>. B<False>: do not scroll with scrollback buffer when tty receives
+new lines; option B<+sw>.
 =item B<scrollTtyKeypress:> I<boolean>
 B<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 B<-sk>. B<False>: do not scroll to
 bottom when a non-special key is pressed; option B<+sk>.
 =item B<saveLines:> I<number>
-Save I<number> lines in the scrollback buffer [default 64]. This
+Save I<number> lines in the scrollback buffer [default 1000]; option B<-sl>.
-resource is limited on most machines to 65535; option B<-sl>.
 =item B<internalBorder:> I<number>
 Internal border of I<number> pixels. This resource is limited to 100;
 option B<-b>.
 =item B<termName:> I<termname>
 Specifies the terminal type name to be set in the B<TERM> environment
 variable; option B<-tn>.
-=item B<linespace:> I<number>
+=item B<lineSpace:> I<number>
 Specifies number of lines (pixel height) to insert between each row of
 the display [default 0]; option B<-lsp>.
 =item B<meta8:> I<boolean>
 =item B<cursorBlink:> I<boolean>
 B<True>: blink the cursor. B<False>: do not blink the cursor [default];
 option B<-bc>.
+=item B<cursorUnderline:> I<boolean>
+B<True>: Make the cursor underlined. B<False>: Make the cursor a box [default];
+option B<-uc>.
 =item B<pointerBlank:> I<boolean>
 B<True>: blank the pointer when a key is pressed or after a set number
 of seconds of inactivity. B<False>: the pointer is always visible
 =item B<pointerColor2:> I<colour>
 Mouse pointer background colour.
+=item B<pointerShape:> I<string>
+Compile I<frills>: Specifies the name of the mouse pointer shape
+[default B<xterm>]. See the macros in the B<X11/cursorfont.h> include
+file for possible values (omit the C<XC_> prefix).
 =item B<pointerBlankDelay:> I<number>
 Specifies number of seconds before blanking the pointer [default 2]. Use a
 large number (e.g. C<987654321>) to effectively disable the timeout.
 =item B<backspacekey:> I<string>
 The string to send when the backspace key is pressed. If set to B<DEC>
-or unset it will send B<Delete> (code 127) or, if shifted, B<Backspace>
+or unset it will send B<Delete> (code 127) or, with control, B<Backspace>
 (code 8) - which can be reversed with the appropriate DEC private mode
 escape sequence.
 =item B<deletekey:> I<string>
 pressed. If unset it will send the sequence traditionally associated
 with the B<Execute> key.
 =item B<cutchars:> I<string>
-The characters used as delimiters for double-click word selection. The
+The characters used as delimiters for double-click word selection
-built-in default:
+(whitespace delimiting is added automatically if resource is given).
+When the perl selection extension is in use (the default if compiled
+in, see the @@RXVT_NAME@@perl(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:
-B<< BACKSLASH `"'&()*,;<=>?@[]{|} >>
+B<< BACKSLASH `"'&()*,;<=>?@[]^{|} >>
 =item B<preeditType:> I<style>
-B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
+B<OnTheSpot>, B<OverTheSpot>, B<OffTheSpot>, B<Root>; option B<-pt>.
 =item B<inputMethod:> I<name>
 I<name> of inputMethod to use; option B<-im>.
 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 B<-tcw>.
+=item B<disablePasteBrackets:> I<boolean>
+Prevent emission of paste bracket sequences; option B<-dpb>.
 =item B<insecure:> I<boolean>
-Enables "insecure" mode. Rxvt-unicode offers some escape sequences that
+Enable "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
 =item B<secondaryScreen:> I<boolean>
 Turn on/off secondary screen (default enabled).
+=item B<rewrapMode:> I<mode>
+Sets long line rewrap behaviour on window resize to one of B<auto>
+(default), B<always> or B<never>.
 =item B<secondaryScroll:> I<boolean>
-Turn on/off secondary screen scroll (default enabled). If the this
+Turn on/off secondary screen scroll (default enabled). If this
 option is enabled, scrolls on the secondary screen will change the
-scrollback buffer and switching to/from the secondary screen will
+scrollback buffer and, when secondaryScreen is off, switching
-instead scroll the screen up.
+to/from the secondary screen will instead scroll the screen up.
 =item B<hold>: I<boolean>
 Turn on/off hold window after exit support. If enabled, @@RXVT_NAME@@
 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.
+=item B<chdir>: I<path>
+Sets the working directory for the shell (or the command specified via
+B<-e>). The I<path> must be an absolute path and it must exist for
+@@RXVT_NAME@@ to start. If it isn't specified then the current working
+directory will be used; option B<-cd>.
-=item B<keysym.>I<sym>: I<string>
+=item B<keysym.>I<sym>: I<action>
-Compile I<frills>: Associate I<string> with keysym I<sym>. The
+Compile I<frills>: Associate I<action> with keysym I<sym>. The intervening
-intervening resource name B<keysym.> cannot be omitted.
+resource name B<keysym.> cannot be omitted.
-The format of I<sym> is "I<(modifiers-)key>", where I<modifiers> can be
+Using this resource, you can map key combinations such as
-any combination of B<ISOLevel3>, B<AppKeypad>, B<Control>, B<NumLock>,
+C<Ctrl-Shift-BackSpace> to various actions, such as outputting a different
-B<Shift>, B<Meta>, B<Lock>, B<Mod1>, B<Mod2>, B<Mod3>, B<Mod4>, B<Mod5>,
+string than would normally result from that combination, making the
-and the abbreviated B<I>, B<K>, B<C>, B<N>, B<S>, B<M>, B<A>, B<L>, B<1>,
+terminal scroll up or down the way you want it, or any other thing an
-B<2>, B<3>, B<4>, B<5>.
+extension might provide.
+The key combination that triggers the action, I<sym>, has the following format:
+   (modifiers-)key
+Where I<modifiers> can be any combination of the following full or
+abbreviated modifier names:
+=begin table
+	B<ISOLevel3>	B<I>
+	B<AppKeypad>	B<K>
+	B<Control>	B<C>
+	B<NumLock>	B<N>
+	B<Shift>	B<S>
+	B<Meta>	B<M> I<or> B<A>
+	B<Lock>	B<L>
+	B<Mod1>	B<1>
+	B<Mod2>	B<2>
+	B<Mod3>	B<3>
+	B<Mod4>	B<4>
+	B<Mod5>	B<5>
+=end table
 The B<NumLock>, B<Meta> and B<ISOLevel3> modifiers are usually aliased to
 whatever modifier the NumLock key, Meta/Alt keys or ISO Level3 Shift/AltGr
 keys are being mapped. B<AppKeypad> is a synthetic modifier mapped to the
 current application keymap mode state.
-The spellings of I<key> can be obtained by using B<xev>(1) command or
+Due the the large number of modifier combinations, a key mapping will
-searching keysym macros from B</usr/X11R6/include/X11/keysymdef.h> and
+match if I<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 mapping for C<a> will automatically provide definitions for
+C<Meta-a>, C<Shift-a> and so on, unless some of those are defined mappings
+themselves. See the C<builtin:> action, below, for a way to work around
+this when this is a problem.
+The spelling of I<key> depends on your implementation of X. An easy way to
+find a key name is to use the B<xev>(1) command. You can find a list by
+looking for the C<XK_> macros in the B<X11/keysymdef.h> include file (omit
-omitting the prefix B<XK_>. Alternatively you can specify I<key> by its hex
+the C<XK_> prefix). Alternatively you can specify I<key> by its hex keysym
-keysym value (B<0x0000 - 0xFFFF>). Note that the lookup of I<sym>s is not
+value (B<0x0000 - 0xFFFF>).
-performed in an exact manner; however, the closest match is assured.
-I<string> may contain escape values (C<\a>: bell, C<\b>: backspace,
+As with any resource value, the I<action> string may contain backslash
-C<\e>, C<\E>: escape, C<\n>: newline, C<\r>: carriage return, C<\t>: tab,
+escape sequences (C<\n>: newline, C<\\>: backslash, C<\000>: octal
-C<\000>: octal number) or verbatim control characters (C<^?>: delete,
+number), see RESOURCES in C<man 7 X> for further details.
-C<^@>: null, C<^A> ...) and may be enclosed with double quotes so that it
-can start or end with whitespace.
-Please note that you need to double the C<\> in resource files, as
+An action starts with an action prefix that selects a certain type
-Xlib itself does it's own de-escaping (you can use C<\033> instead of
+of action, followed by a colon. An action string without colons is
-C<\e> (and so on), which will work with both Xt and @@RXVT_NAME@@'s own
+interpreted as a literal string to pass to the tty (as if it was
-processing).
+prefixed with C<string:>).
-You can define a range of keysyms in one shot by providing a I<string>
+The following action prefixes are known - extensions can provide
-with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where the delimeter `/'
+additional prefixes:
+=over
+=item string:STRING
+If the I<action> starts with C<string:> (or otherwise contains no colons),
+then the remaining C<STRING> will be passed to the program running in the
+terminal. For example, you could replace whatever Shift-Tab outputs by the
+string C<echo rm -rf /> followed by a newline:
+   URxvt.keysym.Shift-Tab: string:echo rm -rf /\n
+This could in theory be used to completely redefine your keymap.
+In addition, for actions of this type, you can define a range of
+keysyms in one shot by loading the C<keysym-list> perl extension and
+providing an I<action> with pattern B<list/PREFIX/MIDDLE/SUFFIX>, where
-should be a character not used by the strings.
+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<M-C-|abc|>
+  URxvt.keysym.M-C-0x61:    list|\033<|abc|>
 The above line is equivalent to the following three lines:
-  URxvt.keysym.Meta-Control-0x61:    \033<M-C-a>
+  URxvt.keysym.Meta-Control-0x61:    string:\033<a>
-  URxvt.keysym.Meta-Control-0x62:    \033<M-C-b>
+  URxvt.keysym.Meta-Control-0x62:    string:\033<b>
-  URxvt.keysym.Meta-Control-0x63:    \033<M-C-c>
+  URxvt.keysym.Meta-Control-0x63:    string:\033<c>
+=item command:STRING
-If I<string> takes the form of C<command:STRING>, the specified B<STRING>
+If I<action> takes the form of C<command:STRING>, the specified B<STRING>
-is interpreted and executed as @@RXVT_NAME@@'s control sequence. For
+is interpreted and executed as @@RXVT_NAME@@'s control sequence (basically
+the opposite of C<string:> - instead of sending it to the program running
+in the terminal, it will be treated as if it were program output). This is
+most useful to feed command sequences into @@RXVT_NAME@@.
-example the following means "change the current locale to C<zh_CN.GBK>
+For example the following means "change the current locale to C<zh_CN.GBK>
 when Control-Meta-c is being pressed":
   URxvt.keysym.M-C-c: command:\033]701;zh_CN.GBK\007
-If I<string> takes the form C<perl:STRING>, then the specified B<STRING>
+The following example will map Control-Meta-1 and Control-Meta-2 to
-is passed to the C<on_keyboard_command> perl handler. See the @@RXVT_NAME@@perl(3)
+the fonts C<suxuseuro> and C<9x15bold>, so you can have some limited
-manpage. For example, the F<selection> extension (activated via
+font-switching at runtime:
-C<@@RXVT_NAME@@ -pe selection>) listens for C<selection:rot13> events:
-  URxvt.keysym.M-C-c: perl:selection:rot13
+  URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007
+  URxvt.keysym.M-C-2: command:\033]50;9x15bold\007
-Due the the large number of modifier combinations, a defined key mapping
+Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more
-will match if at I<at least> the specified identifiers are being set, and
+info):
-no other key mappings with those and more bits are being defined. That
-means that defining a key map for C<a> will automatically provide
-definitions for C<Meta-a>, C<Shift-a> and so on, unless some of those are defined
-mappings themselves.
-Unfortunately, this will override built-in key mappings. For example
+  URxvt.keysym.M-C-3: command:\033[8;25;80t
+  URxvt.keysym.M-C-4: command:\033[8;48;110t
+=item builtin:
+The builtin action is the action that @@RXVT_NAME@@ would execute if no
+key binding existed for the key combination. The obvious use is to undo
+the effect of existing bindings. The not so obvious use is to reinstate
+bindings when another binding overrides too many modifiers.
-if you overwrite the C<Insert> key you will disable @@RXVT_NAME@@'s
+For example if you overwrite the C<Insert> key you will disable
-C<Shift-Insert> mapping. To re-enable that, you can poke "holes" into the
+@@RXVT_NAME@@'s C<Shift-Insert> mapping. To re-enable that, you can poke
-user-defined keymap using the C<builtin:> replacement:
+"holes" into the user-defined keymap using the C<builtin:> replacement:
   URxvt.keysym.Insert: <my insert key sequence>
   URxvt.keysym.S-Insert: builtin:
 The first line defines a mapping for C<Insert> and I<any> combination
 of modifiers. The second line re-establishes the default mapping for
 C<Shift-Insert>.
-The following example will map Control-Meta-1 and Control-Meta-2 to
+=item builtin-string:
-the fonts C<suxuseuro> and C<9x15bold>, so you can have some limited
-font-switching at runtime:
-  URxvt.keysym.M-C-1: command:\033]50;suxuseuro\007
+This action is mainly useful to restore string mappings for keys that
-  URxvt.keysym.M-C-2: command:\033]50;9x15bold\007
+have predefined actions in @@RXVT_NAME@@. The exact semantics are a bit
+difficult to explain - basically, this action will send the string to the
+application that would be sent if @@RXVT_NAME@@ wouldn't have a built-in
+action for it.
-Other things are possible, e.g. resizing (see @@RXVT_NAME@@(7) for more
+An example might make it clearer: @@RXVT_NAME@@ normally pastes the
-info):
+selection when you press C<Shift-Insert>. With the following bindings, it
+would instead emit the (undocumented, but what applications running in the
+terminal might expect) sequence C<ESC [ 2 $> instead:
-  URxvt.keysym.M-C-3: command:\033[8;25;80t
+   URxvt.keysym.S-Insert: builtin-string:
-  URxvt.keysym.M-C-4: command:\033[8;48;110t
+   URxvt.keysym.C-S-Insert: builtin:
+The first line disables the paste functionality for that key
+combination, and the second reinstates the default behaviour for
+C<Control-Shift-Insert>, which would otherwise be overridden.
+Similarly, to let applications gain access to the C<C-M-c> (copy to
+clipboard) and C<C-M-v> (paste clipboard) key combination, you can do
+this:
+   URxvt.keysym.C-M-c: builtin-string:
+   URxvt.keysym.C-M-v: builtin-string:
+=item EXTENSION:STRING
+An action of this form invokes the action B<STRING>, if any, provided
+by the @@RXVT_NAME@@perl(3) extension B<EXTENSION>. The extension will
+be loaded automatically if necessary.
+Not all extensions define actions, but popular extensions that do
+include the I<selection> and I<matcher> extensions (documented in their
+own manpages, @@RXVT_NAME@@-selection(1) and @@RXVT_NAME@@-matcher(1),
+respectively).
+From the silly examples department, this will rot13-"encrypt"
+@@RXVT_NAME@@'s selection when Alt-Control-c is pressed on typical PC
+keyboards:
+  URxvt.keysym.M-C-c: selection:rot13
+=item perl:STRING *DEPRECATED*
+This is a deprecated way of invoking commands provided by perl
+extensions. It is still supported, but should not be used anymore.
+=back
 =item B<perl-ext-common>: I<string>
 =item B<perl-ext>: I<string>
 Comma-separated list(s) of perl extension scripts (default: C<default>) to
 use in this terminal instance; option B<-pe>.
-Extension names can be prefixed with a C<-> sign to prohibit using
+Extension names can be prefixed with a C<-> sign to remove them again, in
-them. This can be useful to selectively disable some extensions loaded
+case they had been specified earlier. This can be useful to selectively
-by default, or specified via the C<perl-ext-common> resource. For
+disable some extensions loaded by default, or specified via the
-example, C<default,-selection> will use all the default extension except
+C<perl-ext-common> resource. For example, C<default,-selection> will use
-C<selection>.
+all the default extensions except C<selection>.
-Extension names can also be followed by an argument in angle brackets
+To prohibit autoloading of extensions, you can prefix them with C</>,
-(e.g.  C<< searchable-scrollback<M-s> >>, which binds the hotkey for
+which will make urxvt refuse to automatically load them (this can be
-searchable scorllback to Alt/Meta-s). Mentioning the same extension
+overriden, however, by specifying the extension name again without a
-multiple times with different arguments will pass multiple arguments to
+prefix, though). This does not prohibit extensions themselves loading
-the extension.
+other extensions. For example, C<default,/background> will keep the
+C<background> extension from being loaded when a background OSC sequence
+is received.
+The default set includes the C<selection>, C<option-popup>,
+C<selection-popup>, C<readline>, C<searchable-scrollback> and
+C<confirm-paste> extensions, as well as any extensions which are mentioned
+in B<keysym> resources.
+Any extension such that a corresponding resource is given on the
+command line is automatically appended to B<perl-ext>.
 Each extension is looked up in the library directories, loaded if
-necessary, and bound to the current terminal instance.
+necessary, and bound to the current terminal instance. When the library
+search path contains multiple extension files of the same name, then the
+first one found will be used.
-If both of these resources are the empty string, then the perl
+If both of these resources are the empty string, then the perl interpreter
-interpreter will not be initialized. The idea behind two options is that
+will not be initialized. The rationale for having two options is that
 B<perl-ext-common> will be used for extensions that should be available to
 all instances, while B<perl-ext> is used for specific instances.
 =item B<perl-eval>: I<string>
 Perl code to be evaluated when all extensions have been registered. See
-the @@RXVT_NAME@@perl(3) manpage. Due to security reasons, this resource
+the @@RXVT_NAME@@perl(3) manpage.
-will be ignored when running setuid/setgid.
 =item B<perl-lib>: I<path>
 Colon-separated list of additional directories that hold extension
-scripts. When looking for extensions specified by the C<perl> resource,
+scripts. When looking for perl extensions, @@RXVT_NAME@@ will first look
-@@RXVT_NAME@@ will first look in these directories and then in
+in these directories, then in C<$URXVT_PERL_LIB>, F<$HOME/.urxvt/ext> and
-F<@@RXVT_LIBDIR@@/urxvt/perl/>. Due to security reasons, this resource
+lastly in F<@@RXVT_LIBDIR@@/urxvt/perl/>.
-will be ignored when running setuid/setgid.
 See the @@RXVT_NAME@@perl(3) manpage.
 =item B<< selection.pattern-I<idx> >>: I<perl-regex>
 =item B<< selection-autotransform.I<idx> >>: I<perl-transform>
 Selection auto-transform patterns, see the @@RXVT_NAME@@perl(3) manpage
 for details.
-=item B<searchable-scrollback:> I<keysym>
+=item B<searchable-scrollback:> I<keysym> *DEPRECATED*
-Sets the hotkey that starts the incremental scrollback buffer search
+This resource is deprecated and will be removed. Use a B<keysym> resource
-(default: C<M-s>).
+instead, e.g.:
+   URxvt.keysym.M-s: searchable-scrollback:start
-=item B<urlLauncher>: I<string>
+=item B<url-launcher>: I<string>
 Specifies the program to be started with a URL argument. Used by the
-C<selection-popup> and C<mark-urls> perl extensions.
+C<selection-popup> and C<matcher> perl extensions.
 =item B<transient-for>: I<windowid>
 Compile I<frills>: Sets the WM_TRANSIENT_FOR property to the given window id.
 =item B<override-redirect>: I<boolean>
 Compile I<frills>: Sets override-redirect for the terminal window, making
 it almost invisible to window managers; option B<-override-redirect>.
+=item B<iso14755:> I<boolean>
+Turn on/off ISO 14755 (default enabled).
+=item B<iso14755_52:> I<boolean>
+Turn on/off ISO 14755 5.2 mode (default enabled).
 =back
 =head1 THE SCROLLBAR
 application. Instead, pressing Button1 and Button3 sends B<ESC [ 6 ~>
 (Next) and B<ESC [ 5 ~> (Prior), respectively. Similarly, clicking on the
 up and down arrows sends B<ESC [ A> (Up) and B<ESC [ B> (Down),
 respectively.
-=head1 TEXT SELECTION AND INSERTION
+=head1 THE SELECTION: SELECTING AND PASTING TEXT
-The behaviour of text selection and insertion mechanism is similar to
+The behaviour of text selection and insertion/pasting mechanism is similar
-I<xterm>(1).
+to I<xterm>(1).
-=over 4
+=over
-=item B<Selection>:
+=item B<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
 (Compile: I<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.
-=item B<Insertion>:
+=item B<Pasting>:
-Pressing and releasing the Middle mouse button (or B<Shift-Insert>) in
+Pressing and releasing the Middle mouse button in an B<@@RXVT_NAME@@>
-an B<@@RXVT_NAME@@> window causes the current text selection to be
+window causes the value of the PRIMARY selection (or CLIPBOARD with the
-inserted as if it had been typed on the keyboard.
+B<Meta> modifier) to be inserted as if it had been typed on the keyboard.
+Pressing B<Shift-Insert> causes the value of the PRIMARY selection to be
+inserted too.
+rxvt-unicode also provides the bindings B<Ctrl-Meta-c> and
+<Ctrl-Meta-v> to interact with the CLIPBOARD selection. The first
+binding causes the value of the internal selection to be copied to the
+CLIPBOARD selection, while the second binding causes the value of the
+CLIPBOARD selection to be inserted.
 =back
 =head1 CHANGING FONTS
 =head1 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 rxvt-unicode has been compiled with
+first part is available if rxvt-unicode has been compiled with
 C<--enable-frills>, the rest is available when rxvt-unicode was compiled
 with C<--enable-iso14755>.
-=over 4
+=over
 =item * 5.1: Basic method
 This allows you to enter unicode characters using their hexcode.
 This mode lets you input characters representing the keycap symbols of
 your keyboard, if representable in the current locale encoding.
 Start by pressing C<Control> and C<Shift> together, then releasing
 them. The next special key (cursor keys, home etc.) you enter will not
-invoke it's usual function but instead will insert the corresponding
+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. C<Shift> would enter the symbol for
 C<ISO Level 2 Switch>, although your intention might have been to enter a
 reverse tab (Shift-Tab).
 B<@@RXVT_NAME@@> tries to write an entry into the I<utmp>(5) file so that
 it can be seen via the I<who(1)> command, and can accept messages.  To
 allow this feature, B<@@RXVT_NAME@@> may need to be installed setuid root
 on some systems or setgid to root or to some other group on others.
-=head1 COLORS AND GRAPHICS
+=head1 COLOURS AND GRAPHICS
 In addition to the default foreground and background colours,
-B<@@RXVT_NAME@@> can display up to 16 colours (8 ANSI colours plus
+B<@@RXVT_NAME@@> can display up to 88/256 colours: 8 ANSI colours plus
-high-intensity bold/blink versions of the same). Here is a list of the
+high-intensity (potentially bold/blink) versions of the same, and 72 (or
-colours with their B<rgb.txt> names.
+240 in 256 colour mode) colours arranged in an 4x4x4 (or 6x6x6) colour RGB
+cube plus a 8 (24) colour greyscale ramp.
+B<@@RXVT_NAME@@> supports direct 24-bit fg/bg RGB colour escapes
+C< ESC [ 38 ; 2 ; R ; G ; Bm > / C< ESC [ 48 ; 2; R ; G ; Bm >. However the
+number of 24-bit colours that can be used is limited: an internal 7x7x5 (256
+colour mode) or 6x6x4 (88 colour mode) colour cube is used to index into the
+24-bit colour space. When indexing collisions happen, the nearest old colour in
+the cube will be adapted to the new 24-bit RGB colour. That means one cannot
+use many similar 24-bit colours. It's typically not a problem in common
+scenarios.
+Here is a list of the ANSI colours with their names.
 =begin table
 	B<color0>	(black)	= Black
 	B<color1>	(red)	= Red3
 It is also possible to specify the colour values of B<foreground>,
 B<background>, B<cursorColor>, B<cursorColor2>, B<colorBD>, B<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 * 6 + g) * 6 + b + 16   # r, g, b = 0..5
+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 B<-rv> (B<"reverseVideo: True">) simulates reverse video by
 always swapping the foreground/background colours. This is in contrast to
 I<xterm>(1) where the colours are only swapped if they have not otherwise
 been specified. For example,
-=over 4
-=item B<@@RXVT_NAME@@ -fg Black -bg White -rv>
+   @@RXVT_NAME@@ -fg Black -bg White -rv
-would yield White on Black, while on I<xterm>(1) it would yield Black
+would yield White on Black, while on I<xterm>(1) it would yield Black on
-on White.
+White.
-=back
+=head2 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. C<[percent]>, where C<percent> is a decimal percentage
+(0-100) that specifies the opacity of the colour, where C<0> is completely
+transparent and C<100> is completely opaque. For example, C<[50]red> is a
+half-transparent red, while C<[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
+C<rgba:rrrr/gggg/bbbb/aaaa> (exactly four hex digits/component) colour
+specifications, where the additional C<aaaa> component specifies opacity
+(alpha) values. The minimum value of C<0000> is completely transparent,
+while C<ffff> is completely opaque). The two example colours from
+earlier could also be specified as C<rgba:ff00/0000/0000/8000> and
+C<rgba:0000/ff00/0000/f332>.
+You probably need to specify B<"-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:
+   @@RXVT_NAME@@ -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.
 =head1 ENVIRONMENT
 B<@@RXVT_NAME@@> sets and/or uses the following environment variables:
-=over 4
+=over
 =item B<TERM>
 Normally set to C<rxvt-unicode>, unless overwritten at configure time, via
-resources or on the commandline.
+resources or on the command line.
 =item B<COLORTERM>
-Either C<rxvt>, C<rxvt-xpm>, depending on wether @@RXVT_NAME@@ was
+Either C<rxvt>, C<rxvt-xpm>, depending on whether @@RXVT_NAME@@ was
-compiled with XPM support, and optionally with the added extension
+compiled with background image support, and optionally with the added
-C<-mono> to indicate that rxvt-unicode runs on a monochrome screen.
+extension C<-mono> to indicate that rxvt-unicode runs on a monochrome
+screen.
 =item B<COLORFGBG>
 Set to a string of the form C<fg;bg> or C<fg;xpm;bg>, where C<fg> is
 the colour code used as default foreground/text colour (or the string
 C<default> to indicate that the default-colour escape sequence is to be
 used), C<bg> is the colour code used as default background colour (or the
 string C<default>), and C<xpm> is the string C<default> if @@RXVT_NAME@@
-was compiled with XPM support. Libraries like C<ncurses> and C<slang> can
+was compiled with background image support. Libraries like C<ncurses>
-(and do) use this information to optimize screen output.
+and C<slang> can (and do) use this information to optimize screen output.
 =item B<WINDOWID>
 Set to the (decimal) X Window ID of the @@RXVT_NAME@@ window (the toplevel
 window, which usually has subwindows for the scrollbar, the terminal
 C<--with-terminfo=PATH>.
 =item B<DISPLAY>
 Used by @@RXVT_NAME@@ to connect to the display and set to the correct
-display in it's child processes.
+display in its child processes if C<-display> isn't used to override. It
+defaults to C<:0> if it doesn't exist.
 =item B<SHELL>
 The shell to be used for command execution, defaults to C</bin/sh>.
-=item B<RXVT_SOCKET>
+=item B<RXVT_SOCKET> [I<sic>]
 The unix domain socket path used by @@RXVT_NAME@@c(1) and
 @@RXVT_NAME@@d(1).
-Default F<<< $HOME/.rxvt-unicode-I<< <nodename >> >>>.
+Default F<<< $HOME/.urxvt/urxvtd-I<< <nodename> >> >>>.
+=item B<URXVT_PERL_LIB>
+Additional F<:>-separated library search path for perl extensions. Will be
+searched after B<-perl-lib> but before F<~/.urxvt/ext> and the system library
+directory.
+=item B<URXVT_PERL_VERBOSITY>
+See L<@@RXVT_NAME@@perl>(3).
 =item B<HOME>
 Used to locate the default directory for the unix domain socket for
 daemon communications and to locate various resource files (such as
 C<.Xdefaults>)
 =item B<XAPPLRESDIR>
-Directory where various X resource files are being located.
+Directory where application-specific X resource files are located.
 =item B<XENVIRONMENT>
 If set and accessible, gives the name of a X resource file to be loaded by
 @@RXVT_NAME@@.
 =back
 =head1 FILES
-=over 4
+=over
 =item B</usr/lib/X11/rgb.txt>
-Color names.
+Colour names.
 =back
 =head1 SEE ALSO
+@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), @@RXVT_NAME@@-extensions(1),
-@@RXVT_NAME@@(7), @@RXVT_NAME@@c(1), @@RXVT_NAME@@d(1), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5)
+@@RXVT_NAME@@perl(3), xterm(1), sh(1), resize(1), X(1), pty(4), tty(4), utmp(5)
 =head1 CURRENT PROJECT COORDINATOR
-=over 4
+=over
 =item Project Coordinator
-Marc A. Lehmann L<< <rxvt-unicode@schmorp.de> >>
+Marc A. Lehmann <rxvt-unicode@schmorp.de>.
-L<http://software.schmorp.de/#rxvt-unicode>
+L<http://software.schmorp.de/pkg/rxvt-unicode.html>
 =back
 =head1 AUTHORS
-=over 4
+=over
 =item John Bovey
 University of Kent, 1992, wrote the original Xvt.
-=item Rob Nation L<< <nation@rocket.sanders.lockheed.com> >>
+=item Rob Nation <nation@rocket.sanders.lockheed.com>
 very heavily modified Xvt and came up with Rxvt
-=item Angelo Haritsis L<< <ah@doc.ic.ac.uk> >>
+=item Angelo Haritsis <ah@doc.ic.ac.uk>
 wrote the Greek Keyboard Input (no longer in code)
-=item mj olesen L<< <olesen@me.QueensU.CA> >>
+=item mj olesen <olesen@me.QueensU.CA>
 Wrote the menu system.
 Project Coordinator (changes.txt 2.11 to 2.21)
-=item Oezguer Kesim L<< <kesim@math.fu-berlin.de> >>
+=item Oezguer Kesim <kesim@math.fu-berlin.de>
 Project Coordinator (changes.txt 2.21a to 2.4.5)
-=item Geoff Wing L<< <gcw@pobox.com> >>
+=item Geoff Wing <gcw@pobox.com>
 Rewrote screen display and text selection routines.
 Project Coordinator (changes.txt 2.4.6 - rxvt-unicode)
-=item Marc Alexander Lehmann L<< <rxvt-unicode@schmorp.de> >>
+=item 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 -)
-=item Emanuele Giaquinta L<< <e.giaquinta@glauco.it> >>
+=item Emanuele Giaquinta <emanuele.giaquinta@gmail.com>
-Pty/tty/utmp/wtmp rewrite, lots of random hacking and bugxifing.
+pty/utmp code rewrite, image code improvements, many random hacks and bugfixes.
 =back

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Comparing rxvt-unicode/doc/rxvt.1.pod (file contents):
Revision 1.100 by root, Thu Jan 19 18:02:28 2006 UTC vs.
Revision 1.257 by root, Mon Nov 22 17:01:05 2021 UTC