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Comparing rxvt-unicode/doc/rxvt.7.pod (file contents):
Revision 1.60 by root, Fri Jul 29 03:12:10 2005 UTC vs.
Revision 1.100 by root, Tue Jan 31 01:00:49 2006 UTC

 =head1 DESCRIPTION
 This document contains the FAQ, the RXVT TECHNICAL REFERENCE documenting
 all escape sequences, and other background information.
-The newest version of this document is
+The newest version of this document is also available on the World Wide Web at
-also available on the World Wide Web at
 L<http://cvs.schmorp.de/browse/*checkout*/rxvt-unicode/doc/rxvt.7.html>.
 =head1 FREQUENTLY ASKED QUESTIONS
-=over 4
+=head2 The new selection selects pieces that are too big, how can I select
+single words?
+If you want to select e.g. alphanumeric words, you can use the following
+setting:
+   URxvt.selection.pattern-0: ([[:word:]]+)
+If you click more than twice, the selection will be extended
+more and more.
+To get a selection that is very similar to the old code, try this pattern:
+   URxvt.selection.pattern-0: ([^"&'()*,;<=>?@[\\\\]^`{|})]+)
+Please also note that the I<LeftClick Shift-LeftClik> combination also
+selects words like the old code.
+=head2 I don't like the new selection/popups/hotkeys/perl, how do I
+change/disable it?
+You can disable the perl extension completely by setting the
+B<perl-ext-common> resource to the empty string, which also keeps
+rxvt-unicode from initialising perl, saving memory.
+If you only want to disable specific features, you first have to
+identify which perl extension is responsible. For this, read the section
+B<PREPACKAGED EXTENSIONS> in the @@RXVT_NAME@@perl(3) manpage. For
+example, to disable the B<selection-popup> and B<option-popup>, specify
+this B<perl-ext-common> resource:
+   URxvt.perl-ext-common: default,-selection-popup,-option-popup
+This will keep the default extensions, but disable the two popup
+extensions. Some extensions can also be configured, for example,
+scrollback search mode is triggered by B<M-s>. You can move it to any
+other combination either by setting the B<searchable-scrollback> resource:
+   URxvt.searchable-scrollback: CM-s
+=head3 The cursor moves when selecting text in the current input line, how
+do I switch this off?
+See next entry.
+=head2 During rlogin/ssh/telnet/etc. sessions, clicking near the cursor
+outputs strange escape sequences, how do I fix this?
+These are caused by the C<readline> perl extension. Under normal
+circumstances, it will move your cursor around when you click into the
+line that contains it. It tries hard not to do this at the wrong moment,
+but when running a program that doesn't parse cursor movements or in some
+cases during rlogin sessions, it fails to detect this properly.
+You can permamently switch this feature off by disabling the C<readline>
+extension:
+   URxvt.perl-ext-common: default,-readline
+=head2 Why doesn't rxvt-unicode read my resources?
+Well, why, indeed? It does, in a way very similar to other X
+applications. Most importantly, this means that if you or your OS loads
+resources into the X display (the right way to do it), rxvt-unicode will
+ignore any resource files in your home directory. It will only read
+F<$HOME/.Xdefaults> when no resources are attached to the display.
+If you have or use an F<$HOME/.Xresources> file, chances are that
+resources are loaded into your X-server. In this case, you have to
+re-login after every change (or run F<xrdb -merge $HOME/.Xresources>).
+Also consider the form resources have to use:
+  URxvt.resource: value
+If you want to use another form (there are lots of different ways of
+specifying resources), make sure you understand wether and why it
+works. If unsure, use the form above.
+=head2 I can't get transparency working, what am I doing wrong?
+First of all, transparency isn't officially supported in rxvt-unicode, so
+you are mostly on your own. Do not bug the author about it (but you may
+bug everybody else). Also, if you can't get it working consider it a rite
+of passage: ... and you failed.
+Here are four ways to get transparency. B<Do> read the manpage and option
+descriptions for the programs mentioned and rxvt-unicode. Really, do it!
+1. Use inheritPixmap:
+   Esetroot wallpaper.jpg
+   @@RXVT_NAME@@ -ip -tint red -sh 40
+That works. If you think it doesn't, you lack transparency and tinting
+support, or you are unable to read.
+2. Use a simple pixmap and emulate pseudo-transparency. This enables you
+to use effects other than tinting and shading: Just shade/tint/whatever
+your picture with gimp:
+   convert wallpaper.jpg -blur 20x20 -modulate 30 background.xpm
+   @@RXVT_NAME@@ -pixmap background.xpm -pe automove-background
+That works. If you think it doesn't, you lack XPM and Perl support, or you
+are unable to read.
+3. Use an ARGB visual:
+   @@RXVT_NAME@@ -depth 32 -fg grey90 -bg rgba:0000/0000/4444/cccc
+This requires XFT support, and the support of your X-server. If that
+doesn't work for you, blame Xorg and Keith Packard. ARGB visuals aren't
+there yet, no matter what they claim. Rxvt-Unicode contains the neccessary
+bugfixes and workarounds for Xft and Xlib to make it work, but that
+doesn't mean that your WM has the required kludges in place.
+4. Use xcompmgr and let it do the job:
+  xprop -frame -f _NET_WM_WINDOW_OPACITY 32c \
+        -set _NET_WM_WINDOW_OPACITY 0xc0000000
+Then click on a window you want to make transparent. Replace C<0xc0000000>
+by other values to change the degree of opacity. If it doesn't work and
+your server crashes, you got to keep the pieces.
+=head2 Isn't rxvt supposed to be small? Don't all those features bloat?
+I often get asked about this, and I think, no, they didn't cause extra
+bloat. If you compare a minimal rxvt and a minimal urxvt, you can see
+that the urxvt binary is larger (due to some encoding tables always being
+compiled in), but it actually uses less memory (RSS) after startup. Even
+with C<--disable-everything>, this comparison is a bit unfair, as many
+features unique to urxvt (locale, encoding conversion, iso14755 etc.) are
+already in use in this mode.
+    text    data     bss     drs     rss filename
+   98398    1664      24   15695    1824 rxvt --disable-everything
+  188985    9048   66616   18222    1788 urxvt --disable-everything
+When you C<--enable-everything> (which _is_ unfair, as this involves xft
+and full locale/XIM support which are quite bloaty inside libX11 and my
+libc), the two diverge, but not unreasnobaly so.
+    text    data     bss     drs     rss filename
+  163431    2152      24   20123    2060 rxvt --enable-everything
+ 1035683   49680   66648   29096    3680 urxvt --enable-everything
+The very large size of the text section is explained by the east-asian
+encoding tables, which, if unused, take up disk space but nothing else
+and can be compiled out unless you rely on X11 core fonts that use those
+encodings. The BSS size comes from the 64k emergency buffer that my c++
+compiler allocates (but of course doesn't use unless you are out of
+memory). Also, using an xft font instead of a core font immediately adds a
+few megabytes of RSS. Xft indeed is responsible for a lot of RSS even when
+not used.
+Of course, due to every character using two or four bytes instead of one,
+a large scrollback buffer will ultimately make rxvt-unicode use more
+memory.
+Compared to e.g. Eterm (5112k), aterm (3132k) and xterm (4680k), this
+still fares rather well. And compared to some monsters like gnome-terminal
+(21152k + extra 4204k in separate processes) or konsole (22200k + extra
+43180k in daemons that stay around after exit, plus half a minute of
+startup time, including the hundreds of warnings it spits out), it fares
+extremely well *g*.
+=head2 Why C++, isn't that unportable/bloated/uncool?
+Is this a question? :) It comes up very often. The simple answer is: I had
+to write it, and C++ allowed me to write and maintain it in a fraction
+of the time and effort (which is a scarce resource for me). Put even
+shorter: It simply wouldn't exist without C++.
+My personal stance on this is that C++ is less portable than C, but in
+the case of rxvt-unicode this hardly matters, as its portability limits
+are defined by things like X11, pseudo terminals, locale support and unix
+domain sockets, which are all less portable than C++ itself.
+Regarding the bloat, see the above question: It's easy to write programs
+in C that use gobs of memory, an certainly possible to write programs in
+C++ that don't. C++ also often comes with large libraries, but this is
+not necessarily the case with GCC. Here is what rxvt links against on my
+system with a minimal config:
+   libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x00002aaaaabc3000)
+   libc.so.6 => /lib/libc.so.6 (0x00002aaaaadde000)
+   libdl.so.2 => /lib/libdl.so.2 (0x00002aaaab01d000)
+   /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000)
+And here is rxvt-unicode:
+   libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x00002aaaaabc3000)
+   libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00002aaaaada2000)
+   libc.so.6 => /lib/libc.so.6 (0x00002aaaaaeb0000)
+   libdl.so.2 => /lib/libdl.so.2 (0x00002aaaab0ee000)
+   /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000)
+No large bloated libraries (of course, none were linked in statically),
+except maybe libX11 :)
+=head2 Does it support tabs, can I have a tabbed rxvt-unicode?
+Beginning with version 7.3, there is a perl extension that implements a
+simple tabbed terminal. It is installed by default, so any of these should
+give you tabs:
+   @@RXVT_NAME@@ -pe tabbed
+   URxvt.perl-ext-common: default,tabbed
+It will also work fine with tabbing functionality of many window managers
+or similar tabbing programs, and its embedding-features allow it to be
+embedded into other programs, as witnessed by F<doc/rxvt-tabbed> or
+the upcoming C<Gtk2::URxvt> perl module, which features a tabbed urxvt
+(murxvt) terminal as an example embedding application.
-=item How do I know which rxvt-unicode version I'm using?
+=head2 How do I know which rxvt-unicode version I'm using?
 The version number is displayed with the usage (-h). Also the escape
-sequence C<ESC [ 8 n> sets the window title to the version number.
+sequence C<ESC [ 8 n> sets the window title to the version number. When
+using the @@RXVT_NAME@@c client, the version displayed is that of the
+daemon.
-=item I am using Debian GNU/Linux and have a problem...
+=head2 I am using Debian GNU/Linux and have a problem...
 The Debian GNU/Linux package of rxvt-unicode in sarge contains large
-patches that considerably change the behaviour of rxvt-unicode. Before
+patches that considerably change the behaviour of rxvt-unicode (but
-reporting a bug to the original rxvt-unicode author please download and
+unfortunately this notice has been removed). Before reporting a bug to
-install the genuine version (L<http://software.schmorp.de#rxvt-unicode>)
+the original rxvt-unicode author please download and install the genuine
-and try to reproduce the problem. If you cannot, chances are that the
+version (L<http://software.schmorp.de#rxvt-unicode>) and try to reproduce
-problems are specific to Debian GNU/Linux, in which case it should be
+the problem. If you cannot, chances are that the problems are specific to
-reported via the Debian Bug Tracking System (use C<reportbug> to report
+Debian GNU/Linux, in which case it should be reported via the Debian Bug
-the bug).
+Tracking System (use C<reportbug> to report the bug).
 For other problems that also affect the Debian package, you can and
 probably should use the Debian BTS, too, because, after all, it's also a
 bug in the Debian version and it serves as a reminder for other users that
 might encounter the same issue.
+=head2 I am maintaining rxvt-unicode for distribution/OS XXX, any
+recommendation?
+You should build one binary with the default options. F<configure>
+now enables most useful options, and the trend goes to making them
+runtime-switchable, too, so there is usually no drawback to enbaling them,
+except higher disk and possibly memory usage. The perl interpreter should
+be enabled, as important functionality (menus, selection, likely more in
+the future) depends on it.
+You should not overwrite the C<perl-ext-common> snd C<perl-ext> resources
+system-wide (except maybe with C<defaults>). This will result in useful
+behaviour. If your distribution aims at low memory, add an empty
+C<perl-ext-common> resource to the app-defaults file. This will keep the
+perl interpreter disabled until the user enables it.
+If you can/want build more binaries, I recommend building a minimal
+one with C<--disable-everything> (very useful) and a maximal one with
+C<--enable-everything> (less useful, it will be very big due to a lot of
+encodings built-in that increase download times and are rarely used).
+=head2 I need to make it setuid/setgid to support utmp/ptys on my OS, is this safe?
+It should be, starting with release 7.1. You are encouraged to properly
+install urxvt with privileges necessary for your OS now.
+When rxvt-unicode detects that it runs setuid or setgid, it will fork
+into a helper process for privileged operations (pty handling on some
+systems, utmp/wtmp/lastlog handling on others) and drop privileges
+immediately. This is much safer than most other terminals that keep
+privileges while running (but is more relevant to urxvt, as it contains
+things as perl interpreters, which might be "helpful" to attackers).
+This forking is done as the very first within main(), which is very early
+and reduces possible bugs to initialisation code run before main(), or
+things like the dynamic loader of your system, which should result in very
+little risk.
-=item When I log-in to another system it tells me about missing terminfo data?
+=head2 When I log-in to another system it tells me about missing terminfo data?
 The terminal description used by rxvt-unicode is not as widely available
 as that for xterm, or even rxvt (for which the same problem often arises).
 The correct solution for this problem is to install the terminfo, this can
    URxvt.termName: rxvt
 If you don't plan to use B<rxvt> (quite common...) you could also replace
 the rxvt terminfo file with the rxvt-unicode one.
-=item C<tic> outputs some error when compiling the terminfo entry.
+=head2 C<tic> outputs some error when compiling the terminfo entry.
 Most likely it's the empty definition for C<enacs=>. Just replace it by
 C<enacs=\E[0@> and try again.
-=item C<bash>'s readline does not work correctly under @@RXVT_NAME@@.
+=head2 C<bash>'s readline does not work correctly under @@RXVT_NAME@@.
+See next entry.
-=item I need a termcap file entry.
+=head2 I need a termcap file entry.
 One reason you might want this is that some distributions or operating
 systems still compile some programs using the long-obsoleted termcap
 library (Fedora Core's bash is one example) and rely on a termcap entry
 for C<rxvt-unicode>.
            :sc=\E7:se=\E[27m:sf=^J:so=\E[7m:sr=\EM:st=\EH:ta=^I:\
            :te=\E[r\E[?1049l:ti=\E[?1049h:ue=\E[24m:up=\E[A:\
            :us=\E[4m:vb=\E[?5h\E[?5l:ve=\E[?25h:vi=\E[?25l:\
            :vs=\E[?25h:
-=item Why does C<ls> no longer have coloured output?
+=head2 Why does C<ls> no longer have coloured output?
 The C<ls> in the GNU coreutils unfortunately doesn't use terminfo to
 decide wether a terminal has colour, but uses it's own configuration
 file. Needless to say, C<rxvt-unicode> is not in it's default file (among
 with most other terminals supporting colour). Either add:
    alias ls='ls --color=auto'
 to your C<.profile> or C<.bashrc>.
-=item Why doesn't vim/emacs etc. use the 88 colour mode?
+=head2 Why doesn't vim/emacs etc. use the 88 colour mode?
+See next entry.
-=item Why doesn't vim/emacs etc. make use of italic?
+=head2 Why doesn't vim/emacs etc. make use of italic?
+See next entry.
-=item Why are the secondary screen-related options not working properly?
+=head2 Why are the secondary screen-related options not working properly?
 Make sure you are using C<TERM=rxvt-unicode>. Some pre-packaged
 distributions (most notably Debian GNU/Linux) break rxvt-unicode
 by setting C<TERM> to C<rxvt>, which doesn't have these extra
 features. Unfortunately, some of these (most notably, again, Debian
 GNU/Linux) furthermore fail to even install the C<rxvt-unicode> terminfo
 file, so you will need to install it on your own (See the question B<When
 I log-in to another system it tells me about missing terminfo data?> on
 how to do this).
-=item My numerical keypad acts weird and generates differing output?
+=head2 My numerical keypad acts weird and generates differing output?
 Some Debian GNUL/Linux users seem to have this problem, although no
 specific details were reported so far. It is possible that this is caused
 by the wrong C<TERM> setting, although the details of wether and how
 this can happen are unknown, as C<TERM=rxvt> should offer a compatible
 keymap. See the answer to the previous question, and please report if that
 helped.
-=item Rxvt-unicode does not seem to understand the selected encoding?
+=head2 Rxvt-unicode does not seem to understand the selected encoding?
+See next entry.
-=item Unicode does not seem to work?
+=head2 Unicode does not seem to work?
 If you encounter strange problems like typing an accented character but
 getting two unrelated other characters or similar, or if program output is
 subtly garbled, then you should check your locale settings.
 If nothing works and you are sure that everything is set correctly then
 you will need to remember a little known fact: Some programs just don't
 support locales :(
-=item Why do some characters look so much different than others?
+=head2 Why do some characters look so much different than others?
+See next entry.
-=item How does rxvt-unicode choose fonts?
+=head2 How does rxvt-unicode choose fonts?
 Most fonts do not contain the full range of Unicode, which is
 fine. Chances are that the font you (or the admin/package maintainer of
 your system/os) have specified does not cover all the characters you want
 to display.
 The only limitation is that none of the fonts may be larger than the base
 font, as the base font defines the terminal character cell size, which
 must be the same due to the way terminals work.
-=item Why do some chinese characters look so different than others?
+=head2 Why do some chinese characters look so different than others?
 This is because there is a difference between script and language --
 rxvt-unicode does not know which language the text that is output is,
 as it only knows the unicode character codes. If rxvt-unicode first
 sees a japanese/chinese character, it might choose a japanese font for
 has been designed yet).
 Until then, you might get away with switching fonts at runtime (see L<Can
 I switch the fonts at runtime?> later in this document).
-=item Why does rxvt-unicode sometimes leave pixel droppings?
+=head2 Why does rxvt-unicode sometimes leave pixel droppings?
 Most fonts were not designed for terminal use, which means that character
 size varies a lot. A font that is otherwise fine for terminal use might
 contain some characters that are simply too wide. Rxvt-unicode will avoid
 these characters. For characters that are just "a bit" too wide a special
 might be forced to use a different font.
 All of this is not a problem when using X11 core fonts, as their bounding
 box data is correct.
-=item On Solaris 9, many line-drawing characters are too wide.
+=head2 On Solaris 9, many line-drawing characters are too wide.
 Seems to be a known bug, read
 L<http://nixdoc.net/files/forum/about34198.html>. Some people use the
 following ugly workaround to get non-double-wide-characters working:
    #define wcwidth(x) wcwidth(x) > 1 ? 1 : wcwidth(x)
-=item My Compose (Multi_key) key is no longer working.
+=head2 My Compose (Multi_key) key is no longer working.
 The most common causes for this are that either your locale is not set
 correctly, or you specified a B<preeditStyle> that is not supported by
 your input method. For example, if you specified B<OverTheSpot> and
 your input method (e.g. the default input method handling Compose keys)
 rxvt-unicode will continue without an input method.
 In this case either do not specify a B<preeditStyle> or specify more than
 one pre-edit style, such as B<OverTheSpot,Root,None>.
-=item I cannot type C<Ctrl-Shift-2> to get an ASCII NUL character due to ISO 14755
+=head2 I cannot type C<Ctrl-Shift-2> to get an ASCII NUL character due to ISO 14755
 Either try C<Ctrl-2> alone (it often is mapped to ASCII NUL even on
 international keyboards) or simply use ISO 14755 support to your
 advantage, typing <Ctrl-Shift-0> to get a ASCII NUL. This works for other
 codes, too, such as C<Ctrl-Shift-1-d> to type the default telnet escape
 character and so on.
-=item How can I keep rxvt-unicode from using reverse video so much?
+=head2 How can I keep rxvt-unicode from using reverse video so much?
 First of all, make sure you are running with the right terminal settings
 (C<TERM=rxvt-unicode>), which will get rid of most of these effects. Then
 make sure you have specified colours for italic and bold, as otherwise
 rxvt-unicode might use reverse video to simulate the effect:
    URxvt.colorBD:  white
    URxvt.colorIT:  green
-=item Some programs assume totally weird colours (red instead of blue), how can I fix that?
+=head2 Some programs assume totally weird colours (red instead of blue), how can I fix that?
 For some unexplainable reason, some rare programs assume a very weird
 colour palette when confronted with a terminal with more than the standard
 8 colours (rxvt-unicode supports 88). The right fix is, of course, to fix
 these programs not to assume non-ISO colours without very good reasons.
 In the meantime, you can either edit your C<rxvt-unicode> terminfo
 definition to only claim 8 colour support or use C<TERM=rxvt>, which will
 fix colours but keep you from using other rxvt-unicode features.
-=item I am on FreeBSD and rxvt-unicode does not seem to work at all.
+=head2 I am on FreeBSD and rxvt-unicode does not seem to work at all.
 Rxvt-unicode requires the symbol C<__STDC_ISO_10646__> to be defined
 in your compile environment, or an implementation that implements it,
 wether it defines the symbol or not. C<__STDC_ISO_10646__> requires that
 B<wchar_t> is represented as unicode.
 The rxvt-unicode author insists that the right way to fix this is in the
 system libraries once and for all, instead of forcing every app to carry
 complete replacements for them :)
-=item I use Solaris 9 and it doesn't compile/work/etc.
+=head2 I use Solaris 9 and it doesn't compile/work/etc.
 Try the diff in F<doc/solaris9.patch> as a base. It fixes the worst
 problems with C<wcwidth> and a compile problem.
-=item How can I use rxvt-unicode under cygwin?
+=head2 How can I use rxvt-unicode under cygwin?
 rxvt-unicode should compile and run out of the box on cygwin, using
 the X11 libraries that come with cygwin. libW11 emulation is no
 longer supported (and makes no sense, either, as it only supported a
 single font). I recommend starting the X-server in C<-multiwindow> or
 At the time of this writing, cygwin didn't seem to support any multi-byte
 encodings (you might try C<LC_CTYPE=C-UTF-8>), so you are likely limited
 to 8-bit encodings.
-=item How does rxvt-unicode determine the encoding to use?
+=head2 How does rxvt-unicode determine the encoding to use?
+See next entry.
-=item Is there an option to switch encodings?
+=head2 Is there an option to switch encodings?
 Unlike some other terminals, rxvt-unicode has no encoding switch, and no
 specific "utf-8" mode, such as xterm. In fact, it doesn't even know about
 UTF-8 or any other encodings with respect to terminal I/O.
 rxvt-unicode.
 If you want to use a specific encoding you have to make sure you start
 rxvt-unicode with the correct C<LC_CTYPE> category.
-=item Can I switch locales at runtime?
+=head2 Can I switch locales at runtime?
 Yes, using an escape sequence. Try something like this, which sets
 rxvt-unicode's idea of C<LC_CTYPE>.
   printf '\e]701;%s\007' ja_JP.SJIS
 You can also use xterm's C<luit> program, which usually works fine, except
 for some locales where character width differs between program- and
 rxvt-unicode-locales.
-=item Can I switch the fonts at runtime?
+=head2 Can I switch the fonts at runtime?
 Yes, using an escape sequence. Try something like this, which has the same
 effect as using the C<-fn> switch, and takes effect immediately:
    printf '\e]50;%s\007' "9x15bold,xft:Kochi Gothic"
 japanese font), but you have to switch to chinese temporarily, where
 japanese fonts would only be in your way.
 You can think of this as a kind of manual ISO-2022 switching.
-=item Why do italic characters look as if clipped?
+=head2 Why do italic characters look as if clipped?
 Many fonts have difficulties with italic characters and hinting. For
 example, the otherwise very nicely hinted font C<xft:Bitstream Vera Sans
 Mono> completely fails in it's italic face. A workaround might be to
 enable freetype autohinting, i.e. like this:
    URxvt.italicFont:        xft:Bitstream Vera Sans Mono:italic:autohint=true
    URxvt.boldItalicFont:    xft:Bitstream Vera Sans Mono:bold:italic:autohint=true
-=item My input method wants <some encoding> but I want UTF-8, what can I do?
+=head2 My input method wants <some encoding> but I want UTF-8, what can I do?
 You can specify separate locales for the input method and the rest of the
 terminal, using the resource C<imlocale>:
-   URxvt*imlocale: ja_JP.EUC-JP
+   URxvt.imlocale: ja_JP.EUC-JP
 Now you can start your terminal with C<LC_CTYPE=ja_JP.UTF-8> and still
 use your input method. Please note, however, that you will not be able to
 input characters outside C<EUC-JP> in a normal way then, as your input
 method limits you.
-=item Rxvt-unicode crashes when the X Input Method changes or exits.
+=head2 Rxvt-unicode crashes when the X Input Method changes or exits.
 Unfortunately, this is unavoidable, as the XIM protocol is racy by
 design. Applications can avoid some crashes at the expense of memory
 leaks, and Input Methods can avoid some crashes by careful ordering at
 exit time. B<kinput2> (and derived input methods) generally succeeds,
 while B<SCIM> (or similar input methods) fails. In the end, however,
 crashes cannot be completely avoided even if both sides cooperate.
 So the only workaround is not to kill your Input Method Servers.
-=item Rxvt-unicode uses gobs of memory, how can I reduce that?
+=head2 Rxvt-unicode uses gobs of memory, how can I reduce that?
 Rxvt-unicode tries to obey the rule of not charging you for something you
 don't use. One thing you should try is to configure out all settings that
 you don't need, for example, Xft support is a resource hog by design,
 when used. Compiling it out ensures that no Xft font will be loaded
 6 bytes per screen cell. For a 160x?? window this amounts to almost a
 kilobyte per line. A scrollback buffer of 10000 lines will then (if full)
 use 10 Megabytes of memory. With C<--enable-unicode3> it gets worse, as
 rxvt-unicode then uses 8 bytes per screen cell.
-=item Can I speed up Xft rendering somehow?
+=head2 Can I speed up Xft rendering somehow?
 Yes, the most obvious way to speed it up is to avoid Xft entirely, as
 it is simply slow. If you still want Xft fonts you might try to disable
 antialiasing (by appending C<:antialias=false>), which saves lots of
 memory and also speeds up rendering considerably.
-=item Rxvt-unicode doesn't seem to anti-alias its fonts, what is wrong?
+=head2 Rxvt-unicode doesn't seem to anti-alias its fonts, what is wrong?
 Rxvt-unicode will use whatever you specify as a font. If it needs to
 fall back to it's default font search list it will prefer X11 core
 fonts, because they are small and fast, and then use Xft fonts. It has
 antialiasing disabled for most of them, because the author thinks they
 look best that way.
 If you want antialiasing, you have to specify the fonts manually.
-=item Mouse cut/paste suddenly no longer works.
+=head2 Mouse cut/paste suddenly no longer works.
 Make sure that mouse reporting is actually turned off since killing
 some editors prematurely may leave the mouse in mouse report mode. I've
 heard that tcsh may use mouse reporting unless it otherwise specified. A
 quick check is to see if cut/paste works when the Alt or Shift keys are
-depressed. See @@RXVT_NAME@@(7)
+depressed.
-=item What's with this bold/blink stuff?
+=head2 What's with this bold/blink stuff?
 If no bold colour is set via C<colorBD:>, bold will invert text using the
 standard foreground colour.
 For the standard background colour, blinking will actually make the
 color0-7 are the low-intensity colors.
 color8-15 are the corresponding high-intensity colors.
-=item I don't like the screen colors.  How do I change them?
+=head2 I don't like the screen colors.  How do I change them?
 You can change the screen colors at run-time using F<~/.Xdefaults>
 resources (or as long-options).
 Here are values that are supposed to resemble a VGA screen,
    URxvt.color6:       #73f7ff
    URxvt.color14:      #73f7ff
    URxvt.color7:       #e1dddd
    URxvt.color15:      #e1dddd
-=item How can I start @@RXVT_NAME@@d in a race-free way?
+=head2 How can I start @@RXVT_NAME@@d in a race-free way?
 Try C<@@RXVT_NAME@@d -f -o>, which tells @@RXVT_NAME@@d to open the
 display, create the listening socket and then fork.
-=item What's with the strange Backspace/Delete key behaviour?
+=head2 What's with the strange Backspace/Delete key behaviour?
 Assuming that the physical Backspace key corresponds to the
 BackSpace keysym (not likely for Linux ... see the following
 question) there are two standard values that can be used for
 Backspace: C<^H> and C<^?>.
    # use Backspace = ^?
    $ stty erase ^?
    $ @@RXVT_NAME@@
-Toggle with C<ESC [ 36 h> / C<ESC [ 36 l> as documented in @@RXVT_NAME@@(7).
+Toggle with C<ESC [ 36 h> / C<ESC [ 36 l>.
 For an existing rxvt-unicode:
    # use Backspace = ^H
    $ stty erase ^H
 some editors (vim I'm told) expect Backspace = ^H,
 GNU Emacs (and Emacs-like editors) use ^H for help.
 Perhaps someday this will all be resolved in a consistent manner.
-=item I don't like the key-bindings.  How do I change them?
+=head2 I don't like the key-bindings.  How do I change them?
 There are some compile-time selections available via configure. Unless
 you have run "configure" with the C<--disable-resources> option you can
 use the `keysym' resource to alter the keystrings associated with keysyms.
    URxvt.keysym.M-C-a:         list \033<M-C- abcdefghijklmnopqrstuvwxyz >
    URxvt.keysym.F12:           command:\033]701;zh_CN.GBK\007
 See some more examples in the documentation for the B<keysym> resource.
-=item I'm using keyboard model XXX that has extra Prior/Next/Insert keys.
+=head2 I'm using keyboard model XXX that has extra Prior/Next/Insert keys.
 How do I make use of them?  For example, the Sun Keyboard type 4
 has the following mappings that rxvt-unicode doesn't recognize.
    KP_Insert == Insert
    F22 == Print
 Rather than have rxvt-unicode try to accommodate all the various possible
 keyboard mappings, it is better to use `xmodmap' to remap the keys as
 required for your particular machine.
-=item How do I distinguish wether I'm running rxvt-unicode or a regular xterm?
+=head2 How do I distinguish wether I'm running rxvt-unicode or a regular xterm?
 I need this to decide about setting colors etc.
 rxvt and rxvt-unicode always export the variable "COLORTERM", so you can
 check and see if that is set. Note that several programs, JED, slrn,
 Midnight Commander automatically check this variable to decide whether or
 not to use color.
-=item How do I set the correct, full IP address for the DISPLAY variable?
+=head2 How do I set the correct, full IP address for the DISPLAY variable?
 If you've compiled rxvt-unicode with DISPLAY_IS_IP and have enabled
 insecure mode then it is possible to use the following shell script
 snippets to correctly set the display. If your version of rxvt-unicode
 wasn't also compiled with ESCZ_ANSWER (as assumed in these snippets) then
          echo -n '^[[7n'     	# query the rxvt we are in for the DISPLAY string
          read DISPLAY     	# set it in our local shell
       fi
    fi
-=item How do I compile the manual pages for myself?
+=head2 How do I compile the manual pages for myself?
 You need to have a recent version of perl installed as F</usr/bin/perl>,
 one that comes with F<pod2man>, F<pod2text> and F<pod2html>. Then go to
 the doc subdirectory and enter C<make alldoc>.
-=item My question isn't answered here, can I ask a human?
+=head2 My question isn't answered here, can I ask a human?
 Before sending me mail, you could go to IRC: C<irc.freenode.net>,
 channel C<#rxvt-unicode> has some rxvt-unicode enthusiasts that might be
 interested in learning about new and exciting problems (but not FAQs :).
-=back
 =head1 RXVT TECHNICAL REFERENCE
 =head1 DESCRIPTION
 The rest of this document describes various technical aspects of
 B<rxvt-unicode>. First the description of supported command sequences,
-followed by menu and pixmap support and last by a description of all
+followed by pixmap support and last by a description of all features
-features selectable at C<configure> time.
+selectable at C<configure> time.
 =head1 Definitions
 =over 4
 	B<< C<h> >>	Send Mouse X & Y on button press.
 	B<< C<l> >>	No mouse reporting.
 =end table
-=item B<< C<Ps = 10> >> (B<rxvt>)
-=begin table
-	B<< C<h> >>	menuBar visible
-	B<< C<l> >>	menuBar invisible
-=end table
 =item B<< C<Ps = 25> >>
 =begin table
 	B<< C<h> >>	Visible cursor {cnorm/cvvis}
 =begin table
 	B<< C<h> >>	Scroll to bottom when a key is pressed
 	B<< C<l> >>	Don't scroll to bottom when a key is pressed
+=end table
+=item B<< C<Ps = 1021> >> (B<rxvt>)
+=begin table
+	B<< C<h> >>	Bold/italic implies high intensity (see option B<-is>)
+	B<< C<l> >>	Font styles have no effect on intensity (Compile styles)
 =end table
 =item B<< C<Ps = 1047> >>
 	B<< C<Ps = 10> >>	Change colour of text foreground to B<< C<Pt> >> B<(NB: may change in future)>
 	B<< C<Ps = 11> >>	Change colour of text background to B<< C<Pt> >> B<(NB: may change in future)>
 	B<< C<Ps = 12> >>	Change colour of text cursor foreground to B<< C<Pt> >>
 	B<< C<Ps = 13> >>	Change colour of mouse foreground to B<< C<Pt> >>
 	B<< C<Ps = 17> >>	Change colour of highlight characters to B<< C<Pt> >>
-	B<< C<Ps = 18> >>	Change colour of bold characters to B<< C<Pt> >>
+	B<< C<Ps = 18> >>	Change colour of bold characters to B<< C<Pt> >> [deprecated, see 706]
-	B<< C<Ps = 19> >>	Change colour of underlined characters to B<< C<Pt> >>
+	B<< C<Ps = 19> >>	Change colour of underlined characters to B<< C<Pt> >> [deprecated, see 707]
-	B<< C<Ps = 20> >>	Change default background to B<< C<Pt> >>
+	B<< C<Ps = 20> >>	Change background pixmap parameters (see section XPM) (Compile XPM).
 	B<< C<Ps = 39> >>	Change default foreground colour to B<< C<Pt> >>.
 	B<< C<Ps = 46> >>	Change Log File to B<< C<Pt> >> I<unimplemented>
 	B<< C<Ps = 49> >>	Change default background colour to B<< C<Pt> >>.
 	B<< C<Ps = 50> >>	Set fontset to B<< C<Pt> >>, with the following special values of B<< C<Pt> >> (B<rxvt>) B<< C<#+n> >> change up B<< C<n> >> B<< C<#-n> >> change down B<< C<n> >> if B<< C<n> >> is missing of 0, a value of 1 is used I<empty> change to font0 B<< C<n> >> change to font B<< C<n> >>
 	B<< C<Ps = 55> >>	Log all scrollback buffer and all of screen to B<< C<Pt> >>
 	B<< C<Ps = 701> >>	Change current locale to B<< C<Pt> >>, or, if B<< C<Pt> >> is B<< C<?> >>, return the current locale (Compile frills).
-	B<< C<Ps = 703> >>	Menubar command B<< C<Pt> >> (Compile menubar).
+	B<< C<Ps = 702> >>	Request version if B<< C<Pt> >> is B<< C<?> >>, returning C<rxvt-unicode>, the resource name, the major and minor version numbers, e.g. C<ESC ] 702 ; rxvt-unicode ; urxvt ; 7 ; 4 ST>.
 	B<< C<Ps = 704> >>	Change colour of italic characters to B<< C<Pt> >>
 	B<< C<Ps = 705> >>	Change background pixmap tint colour to B<< C<Pt> >> (Compile transparency).
+	B<< C<Ps = 706> >>	Change colour of bold characters to B<< C<Pt> >>
+	B<< C<Ps = 707> >>	Change colour of underlined characters to B<< C<Pt> >>
 	B<< C<Ps = 710> >>	Set normal fontset to B<< C<Pt> >>. Same as C<Ps = 50>.
 	B<< C<Ps = 711> >>	Set bold fontset to B<< C<Pt> >>. Similar to C<Ps = 50> (Compile styles).
 	B<< C<Ps = 712> >>	Set italic fontset to B<< C<Pt> >>. Similar to C<Ps = 50> (Compile styles).
 	B<< C<Ps = 713> >>	Set bold-italic fontset to B<< C<Pt> >>. Similar to C<Ps = 50> (Compile styles).
 	B<< C<Ps = 720> >>	Move viewing window up by B<< C<Pt> >> lines, or clear scrollback buffer if C<Pt = 0> (Compile frills).
 	B<< C<Ps = 721> >>	Move viewing window down by B<< C<Pt> >> lines, or clear scrollback buffer if C<Pt = 0> (Compile frills).
+	B<< C<Ps = 777> >>	Call the perl extension with the given string, which should be of the form C<extension:parameters> (Compile perl).
 =end table
 =back
-X<menuBar>
-=head1 menuBar
-B<< The exact syntax used is I<almost> solidified. >>
-In the menus, B<DON'T> try to use menuBar commands that add or remove a
-menuBar.
-Note that in all of the commands, the B<< I</path/> >> I<cannot> be
-omitted: use B<./> to specify a menu relative to the current menu.
-=head2 Overview of menuBar operation
-For the menuBar XTerm escape sequence C<ESC ] 703 ; Pt ST>, the syntax
-of C<Pt> can be used for a variety of tasks:
-At the top level is the current menuBar which is a member of a circular
-linked-list of other such menuBars.
-The menuBar acts as a parent for the various drop-down menus, which in
-turn, may have labels, separator lines, menuItems and subMenus.
-The menuItems are the useful bits: you can use them to mimic keyboard
-input or even to send text or escape sequences back to rxvt.
-The menuBar syntax is intended to provide a simple yet robust method of
-constructing and manipulating menus and navigating through the
-menuBars.
-The first step is to use the tag B<< [menu:I<name>] >> which creates
-the menuBar called I<name> and allows access. You may now or menus,
-subMenus, and menuItems. Finally, use the tag B<[done]> to set the
-menuBar access as B<readonly> to prevent accidental corruption of the
-menus. To re-access the current menuBar for alterations, use the tag
-B<[menu]>, make the alterations and then use B<[done]>
-X<menuBarCommands>
-=head2 Commands
-=over 4
-=item B<< [menu:+I<name>] >>
-access the named menuBar for creation or alteration. If a new menuBar
-is created, it is called I<name> (max of 15 chars) and the current
-menuBar is pushed onto the stack
-=item B<[menu]>
-access the current menuBar for alteration
-=item B<< [title:+I<string>] >>
-set the current menuBar's title to I<string>, which may contain the
-following format specifiers:
-   B<%n>  rxvt name (as per the B<-name> command-line option)
-   B<%v>  rxvt version
-   B<%%>  literal B<%> character
-=item B<[done]>
-set menuBar access as B<readonly>.
-End-of-file tag for B<< [read:+I<file>] >> operations.
-=item B<< [read:+I<file>] >>
-read menu commands directly from I<file> (extension ".menu" will be
-appended if required.) Start reading at a line with B<[menu]> or B<<
-[menu:+I<name> >> and continuing until B<[done]> is encountered.
-Blank and comment lines (starting with B<#>) are ignored. Actually,
-since any invalid menu commands are also ignored, almost anything could
-be construed as a comment line, but this may be tightened up in the
-future ... so don't count on it!.
-=item B<< [read:+I<file>;+I<name>] >>
-The same as B<< [read:+I<file>] >>, but start reading at a line with
-B<< [menu:+I<name>] >> and continuing until B<< [done:+I<name>] >> or
-B<[done]> is encountered.
-=item B<[dump]>
-dump all menuBars to the file B</tmp/rxvt-PID> in a format suitable for
-later rereading.
-=item B<[rm:name]>
-remove the named menuBar
-=item B<[rm] [rm:]>
-remove the current menuBar
-=item B<[rm*] [rm:*]>
-remove all menuBars
-=item B<[swap]>
-swap the top two menuBars
-=item B<[prev]>
-access the previous menuBar
-=item B<[next]>
-access the next menuBar
-=item B<[show]>
-Enable display of the menuBar
-=item B<[hide]>
-Disable display of the menuBar
-=item B<< [pixmap:+I<name>] >>
-=item B<< [pixmap:+I<name>;I<scaling>] >>
-(set the background pixmap globally
-B<< A Future implementation I<may> make this local to the menubar >>)
-=item B<< [:+I<command>:] >>
-ignore the menu readonly status and issue a I<command> to or a menu or
-menuitem or change the ; a useful shortcut for setting the quick arrows
-from a menuBar.
-=back
-X<menuBarAdd>
-=head2 Adding and accessing menus
-The following commands may also be B<+> prefixed.
-=over 4
-=item B</+>
-access menuBar top level
-=item B<./+>
-access current menu level
-=item B<../+>
-access parent menu (1 level up)
-=item B<../../>
-access parent menu (multiple levels up)
-=item B<< I</path/>menu >>
-add/access menu
-=item B<< I</path/>menu/* >>
-add/access menu and clear it if it exists
-=item B<< I</path/>{-} >>
-add separator
-=item B<< I</path/>{item} >>
-add B<item> as a label
-=item B<< I</path/>{item} action >>
-add/alter I<menuitem> with an associated I<action>
-=item B<< I</path/>{item}{right-text} >>
-add/alter I<menuitem> with B<right-text> as the right-justified text
-and as the associated I<action>
-=item B<< I</path/>{item}{rtext} action >>
-add/alter I<menuitem> with an associated I<action> and with B<rtext> as
-the right-justified text.
-=back
-=over 4
-=item Special characters in I<action> must be backslash-escaped:
-B<\a \b \E \e \n \r \t \octal>
-=item or in control-character notation:
-B<^@, ^A .. ^Z .. ^_, ^?>
-=back
-To send a string starting with a B<NUL> (B<^@>) character to the
-program, start I<action> with a pair of B<NUL> characters (B<^@^@>),
-the first of which will be stripped off and the balance directed to the
-program. Otherwise if I<action> begins with B<NUL> followed by
-non-+B<NUL> characters, the leading B<NUL> is stripped off and the
-balance is sent back to rxvt.
-As a convenience for the many Emacs-type editors, I<action> may start
-with B<M-> (eg, B<M-$> is equivalent to B<\E$>) and a B<CR> will be
-appended if missed from B<M-x> commands.
-As a convenience for issuing XTerm B<ESC ]> sequences from a menubar (or
-quick arrow), a B<BEL> (B<^G>) will be appended if needed.
-=over 4
-=item For example,
-B<M-xapropos> is equivalent to B<\Exapropos\r>
-=item and
-B<\E]703;mona;100> is equivalent to B<\E]703;mona;100\a>
-=back
-The option B<< {I<right-rtext>} >> will be right-justified. In the
-absence of a specified action, this text will be used as the I<action>
-as well.
-=over 4
-=item For example,
-B</File/{Open}{^X^F}> is equivalent to B</File/{Open}{^X^F} ^X^F>
-=back
-The left label I<is> necessary, since it's used for matching, but
-implicitly hiding the left label (by using same name for both left and
-right labels), or explicitly hiding the left label (by preceeding it
-with a dot), makes it possible to have right-justified text only.
-=over 4
-=item For example,
-B</File/{Open}{Open} Open-File-Action>
-=item or hiding it
-B</File/{.anylabel}{Open} Open-File-Action>
-=back
-X<menuBarRemove>
-=head2 Removing menus
-=over 4
-=item B<< -/*+ >>
-remove all menus from the menuBar, the same as B<[clear]>
-=item B<< -+I</path>menu+ >>
-remove menu
-=item B<< -+I</path>{item}+ >>
-remove item
-=item B<< -+I</path>{-} >>
-remove separator)
-=item B<-/path/menu/*>
-remove all items, separators and submenus from menu
-=back
-X<menuBarArrows>
-=head2 Quick Arrows
-The menus also provide a hook for I<quick arrows> to provide easier
-user access. If nothing has been explicitly set, the default is to
-emulate the curror keys. The syntax permits each arrow to be altered
-individually or all four at once without re-entering their common
-beginning/end text. For example, to explicitly associate cursor actions
-with the arrows, any of the following forms could be used:
-=over 4
-=item B<< <r>+I<Right> >>
-=item B<< <l>+I<Left> >>
-=item B<< <u>+I<Up> >>
-=item B<< <d>+I<Down> >>
-Define actions for the respective arrow buttons
-=item B<< <b>+I<Begin> >>
-=item B<< <e>+I<End> >>
-Define common beginning/end parts for I<quick arrows> which used in
-conjunction with the above <r> <l> <u> <d> constructs
-=back
-=over 4
-=item For example, define arrows individually,
- <u>\E[A
- <d>\E[B
- <r>\E[C
- <l>\E[D
-=item or all at once
- <u>\E[AZ<><d>\E[BZ<><r>\E[CZ<><l>\E[D
-=item or more compactly (factoring out common parts)
- <b>\E[<u>AZ<><d>BZ<><r>CZ<><l>D
-=back
-X<menuBarSummary>
-=head2 Command Summary
-A short summary of the most I<common> commands:
-=over 4
-=item [menu:name]
-use an existing named menuBar or start a new one
-=item [menu]
-use the current menuBar
-=item [title:string]
-set menuBar title
-=item [done]
-set menu access to readonly and, if reading from a file, signal EOF
-=item [done:name]
-if reading from a file using [read:file;name] signal EOF
-=item [rm:name]
-remove named menuBar(s)
-=item [rm] [rm:]
-remove current menuBar
-=item [rm*] [rm:*]
-remove all menuBar(s)
-=item [swap]
-swap top two menuBars
-=item [prev]
-access the previous menuBar
-=item [next]
-access the next menuBar
-=item [show]
-map menuBar
-=item [hide]
-unmap menuBar
-=item [pixmap;file]
-=item [pixmap;file;scaling]
-set a background pixmap
-=item [read:file]
-=item [read:file;name]
-read in a menu from a file
-=item [dump]
-dump out all menuBars to /tmp/rxvt-PID
-=item /
-access menuBar top level
-=item ./
-=item ../
-=item ../../
-access current or parent menu level
-=item /path/menu
-add/access menu
-=item /path/{-}
-add separator
-=item /path/{item}{rtext} action
-add/alter menu item
-=item -/*
-remove all menus from the menuBar
-=item -/path/menu
-remove menu items, separators and submenus from menu
-=item -/path/menu
-remove menu
-=item -/path/{item}
-remove item
-=item -/path/{-}
-remove separator
-=item <b>Begin<r>Right<l>Left<u>Up<d>Down<e>End
-menu quick arrows
-=back
 X<XPM>
 =head1 XPM
 For the XPM XTerm escape sequence B<< C<ESC ] 20 ; Pt ST> >> then value
 =end table
 =head1 CONFIGURE OPTIONS
 General hint: if you get compile errors, then likely your configuration
-hasn't been tested well. Either try with --enable-everything or use the
+hasn't been tested well. Either try with C<--enable-everything> or use
-./reconf script as a base for experiments. ./reconf is used by myself,
+the F<./reconf> script as a base for experiments. F<./reconf> is used by
-so it should generally be a working config. Of course, you should always
+myself, so it should generally be a working config. Of course, you should
-report when a combination doesn't work, so it can be fixed. Marc Lehmann
+always report when a combination doesn't work, so it can be fixed. Marc
-<rxvt@schmorp.de>.
+Lehmann <rxvt@schmorp.de>.
+All
 =over 4
 =item --enable-everything
-Add support for all non-multichoice options listed in "./configure
+Add (or remove) support for all non-multichoice options listed in "./configure
---help". Note that unlike other enable options this is order dependant.
+--help".
-You can specify this and then disable options which this enables by
+You can specify this and then disable options you do not like by
-I<following> this with the appropriate commands.
+I<following> this with the appropriate C<--disable-...> arguments,
+or you can start with a minimal configuration by specifying
+C<--disable-everything> and than adding just the C<--enable-...> arguments
+you want.
-=item --enable-xft
+=item --enable-xft (default: enabled)
 Add support for Xft (anti-aliases, among others) fonts. Xft fonts are
 slower and require lots of memory, but as long as you don't use them, you
 don't pay for them.
-=item --enable-font-styles
+=item --enable-font-styles (default: on)
 Add support for B<bold>, I<italic> and B<< I<bold italic> >> font
 styles. The fonts can be set manually or automatically.
-=item --with-codesets=NAME,...
+=item --with-codesets=NAME,... (default: all)
 Compile in support for additional codeset (encoding) groups (C<eu>, C<vn>
 are always compiled in, which includes most 8-bit character sets). These
 codeset tables are used for driving X11 core fonts, they are not required
 for Xft fonts, although having them compiled in lets rxvt-unicode choose
 	jp_ext	rarely used but big japanese encodings
 	kr	korean encodings
 =end table
-=item --enable-xim
+=item --enable-xim (default: on)
 Add support for XIM (X Input Method) protocol. This allows using
 alternative input methods (e.g. kinput2) and will also correctly
 set up the input for people using dead keys or compose keys.
-=item --enable-unicode3
+=item --enable-unicode3 (default: off)
+Recommended to stay off unless you really need non-BMP characters.
 Enable direct support for displaying unicode codepoints above
 65535 (the basic multilingual page). This increases storage
 requirements per character from 2 to 4 bytes. X11 fonts do not yet
 support these extra characters, but Xft does.
 even without this flag, but the number of such characters is
 limited to a view thousand (shared with combining characters,
 see next switch), and right now rxvt-unicode cannot display them
 (input/output and cut&paste still work, though).
-=item --enable-combining
+=item --enable-combining (default: on)
 Enable automatic composition of combining characters into
 composite characters. This is required for proper viewing of text
 where accents are encoded as seperate unicode characters. This is
 done by using precomposited characters when available or creating
 new pseudo-characters when no precomposed form exists.
-Without --enable-unicode3, the number of additional precomposed characters
+Without --enable-unicode3, the number of additional precomposed
-is rather limited (2048, if this is full, rxvt-unicode will use the
+characters is somewhat limited (the 6400 private use characters will be
-private use area, extending the number of combinations to 8448). With
---enable-unicode3, no practical limit exists.
+(ab-)used). With --enable-unicode3, no practical limit exists.
 This option will also enable storage (but not display) of characters
 beyond plane 0 (>65535) when --enable-unicode3 was not specified.
 The combining table also contains entries for arabic presentation forms,
 but these are not currently used. Bug me if you want these to be used (and
 tell me how these are to be used...).
-=item --enable-fallback(=CLASS)
+=item --enable-fallback(=CLASS) (default: Rxvt)
-When reading resource settings, also read settings for class CLASS
+When reading resource settings, also read settings for class CLASS. To
-(default: Rxvt). To disable resource fallback use --disable-fallback.
+disable resource fallback use --disable-fallback.
-=item --with-res-name=NAME
+=item --with-res-name=NAME (default: urxvt)
-Use the given name (default: urxvt) as default application name when
+Use the given name as default application name when
 reading resources. Specify --with-res-name=rxvt to replace rxvt.
-=item --with-res-class=CLASS
+=item --with-res-class=CLASS /default: URxvt)
-Use the given class (default: URxvt) as default application class
+Use the given class as default application class
-when reading resources.  Specify --with-res-class=Rxvt to replace
+when reading resources. Specify --with-res-class=Rxvt to replace
 rxvt.
-=item --enable-utmp
+=item --enable-utmp (default: on)
 Write user and tty to utmp file (used by programs like F<w>) at
 start of rxvt execution and delete information when rxvt exits.
-=item --enable-wtmp
+=item --enable-wtmp (default: on)
 Write user and tty to wtmp file (used by programs like F<last>) at
 start of rxvt execution and write logout when rxvt exits.  This
 option requires --enable-utmp to also be specified.
-=item --enable-lastlog
+=item --enable-lastlog (default: on)
 Write user and tty to lastlog file (used by programs like
 F<lastlogin>) at start of rxvt execution.  This option requires
 --enable-utmp to also be specified.
-=item --enable-xpm-background
+=item --enable-xpm-background (default: on)
 Add support for XPM background pixmaps.
-=item --enable-transparency
+=item --enable-transparency (default: on)
 Add support for inheriting parent backgrounds thus giving a fake
 transparency to the term.
-=item --enable-fading
+=item --enable-fading (default: on)
-Add support for fading the text when focus is lost.
+Add support for fading the text when focus is lost (requires C<--enable-transparency>).
-=item --enable-tinting
+=item --enable-tinting (default: on)
-Add support for tinting of transparent backgrounds.
+Add support for tinting of transparent backgrounds (requires C<--enable-transparency>).
-=item --enable-menubar
-Add support for our menu bar system (this interacts badly with
-dynamic locale switching currently).
-=item --enable-rxvt-scroll
+=item --enable-rxvt-scroll (default: on)
 Add support for the original rxvt scrollbar.
-=item --enable-next-scroll
+=item --enable-next-scroll (default: on)
 Add support for a NeXT-like scrollbar.
-=item --enable-xterm-scroll
+=item --enable-xterm-scroll (default: on)
 Add support for an Xterm-like scrollbar.
-=item --enable-plain-scroll
+=item --enable-plain-scroll (default: on)
 Add support for a very unobtrusive, plain-looking scrollbar that
 is the favourite of the rxvt-unicode author, having used it for
 many years.
-=item --enable-half-shadow
+=item --enable-ttygid (default: off)
-Make shadows on the scrollbar only half the normal width & height.
-only applicable to rxvt scrollbars.
-=item --enable-ttygid
 Change tty device setting to group "tty" - only use this if
 your system uses this type of security.
 =item --disable-backspace-key
-Disable any handling of the backspace key by us - let the X server
+Removes any handling of the backspace key by us - let the X server do it.
+=item --disable-delete-key
+Removes any handling of the delete key by us - let the X server
 do it.
-=item --disable-delete-key
-Disable any handling of the delete key by us - let the X server
-do it.
 =item --disable-resources
-Remove all resources checking.
+Removes any support for resource checking.
-=item --enable-xgetdefault
-Make resources checking via XGetDefault() instead of our small
-version which only checks ~/.Xdefaults, or if that doesn't exist then
-~/.Xresources.
-Please note that nowadays, things like XIM will automatically pull in and
-use the full X resource manager, so the overhead of using it might be very
-small, if nonexistant.
-=item --enable-strings
-Add support for our possibly faster memset() function and other
-various routines, overriding your system's versions which may
-have been hand-crafted in assembly or may require extra libraries
-to link in. (this breaks ANSI-C rules and has problems on many
-GNU/Linux systems).
 =item --disable-swapscreen
-Remove support for swap screen.
+Remove support for secondary/swap screen.
-=item --enable-frills
+=item --enable-frills (default: on)
 Add support for many small features that are not essential but nice to
 have. Normally you want this, but for very small binaries you may want to
 disable this.
 A non-exhaustive list of features enabled by C<--enable-frills> (possibly
 in combination with other switches) is:
   MWM-hints
   EWMH-hints (pid, utf8 names) and protocols (ping)
-  seperate underline colour
+  seperate underline colour (-underlineColor)
-  settable border widths and borderless switch
+  settable border widths and borderless switch (-w, -b, -bl)
+  visual depth selection (-depth)
-  settable extra linespacing
+  settable extra linespacing /-lsp)
   iso-14755-2 and -3, and visual feedback
+  tripleclickwords (-tcw)
+  settable insecure mode (-insecure)
+  keysym remapping support
+  cursor blinking and underline cursor (-cb, -uc)
+  XEmbed support (-embed)
+  user-pty (-pty-fd)
+  hold on exit (-hold)
+  skip builtin block graphics (-sbg)
+It also enabled some non-essential features otherwise disabled, such as:
+  some round-trip time optimisations
+  nearest color allocation on pseudocolor screens
+  UTF8_STRING supporr for selection
+  sgr modes 90..97 and 100..107
-  backindex and forwardindex escape sequence
+  backindex and forwardindex escape sequences
+  view change/zero scorllback esacpe sequences
+  locale switching escape sequence
   window op and some xterm/OSC escape sequences
-  tripleclickwords
+  rectangular selections
-  settable insecure mode
+  trailing space removal for selections
-  keysym remapping support
+  verbose X error handling
-  cursor blinking and underline cursor
-  -embed and -pty-fd options
-=item --enable-iso14755
+=item --enable-iso14755 (default: on)
 Enable extended ISO 14755 support (see @@RXVT_NAME@@(1), or
 F<doc/rxvt.1.txt>). Basic support (section 5.1) is enabled by
 C<--enable-frills>, while support for 5.2, 5.3 and 5.4 is enabled with
 this switch.
-=item --enable-keepscrolling
+=item --enable-keepscrolling (default: on)
 Add support for continual scrolling of the display when you hold
 the mouse button down on a scrollbar arrow.
-=item --enable-mousewheel
+=item --enable-mousewheel (default: on)
 Add support for scrolling via mouse wheel or buttons 4 & 5.
-=item --enable-slipwheeling
+=item --enable-slipwheeling (default: on)
 Add support for continual scrolling (using the mouse wheel as an
 accelerator) while the control key is held down.  This option
 requires --enable-mousewheel to also be specified.
 =item --disable-new-selection
 Remove support for mouse selection style like that of xterm.
-=item --enable-dmalloc
+=item --enable-dmalloc (default: off)
 Use Gray Watson's malloc - which is good for debugging See
 http://www.letters.com/dmalloc/ for details If you use either this or the
 next option, you may need to edit src/Makefile after compiling to point
 DINCLUDE and DLIB to the right places.
 You can only use either this option and the following (should
 you use either) .
-=item --enable-dlmalloc
+=item --enable-dlmalloc (default: off)
 Use Doug Lea's malloc - which is good for a production version
 See L<http://g.oswego.edu/dl/html/malloc.html> for details.
-=item --enable-smart-resize
+=item --enable-smart-resize (default: on)
-Add smart growth/shrink behaviour when changing font size via from hot
+Add smart growth/shrink behaviour when changing font size via hot
-keys. This should keep in a fixed position the rxvt corner which is
+keys. This should keep the window corner which is closest to a corner of
-closest to a corner of the screen.
+the screen in a fixed position.
-=item --enable-pointer-blank
+=item --enable-pointer-blank (default: on)
 Add support to have the pointer disappear when typing or inactive.
-=item --with-name=NAME
+=item --enable-perl (default: on)
+Enable an embedded perl interpreter. See the B<@@RXVT_NAME@@perl(3)>
+manpage (F<doc/rxvtperl.txt>) for more info on this feature, or the files
+in F<src/perl-ext/> for the extensions that are installed by default. The
+perl interpreter that is used can be specified via the C<PERL> environment
+variable when running configure.
+=item --with-name=NAME (default: urxvt)
-Set the basename for the installed binaries (default: C<urxvt>, resulting
+Set the basename for the installed binaries, resulting
 in C<urxvt>, C<urxvtd> etc.). Specify C<--with-name=rxvt> to replace with
 C<rxvt>.
-=item --with-term=NAME
+=item --with-term=NAME (default: rxvt-unicode)
-Change the environmental variable for the terminal to NAME (default
+Change the environmental variable for the terminal to NAME.
-C<rxvt-unicode>)
 =item --with-terminfo=PATH
 Change the environmental variable for the path to the terminfo tree to
 PATH.

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Comparing rxvt-unicode/doc/rxvt.7.pod (file contents): Revision 1.60 by root, Fri Jul 29 03:12:10 2005 UTC vs. Revision 1.100 by root, Tue Jan 31 01:00:49 2006 UTC

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Comparing rxvt-unicode/doc/rxvt.7.pod (file contents):
Revision 1.60 by root, Fri Jul 29 03:12:10 2005 UTC vs.
Revision 1.100 by root, Tue Jan 31 01:00:49 2006 UTC