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Revision 1.138 by ayin, Mon Jun 25 15:03:34 2007 UTC vs.
Revision 1.143 by ayin, Thu Aug 2 00:09:54 2007 UTC

… …
1151This forking is done as the very first within main(), which is very early 1151This forking is done as the very first within main(), which is very early
1152and reduces possible bugs to initialisation code run before main(), or 1152and reduces possible bugs to initialisation code run before main(), or
1153things like the dynamic loader of your system, which should result in very 1153things like the dynamic loader of your system, which should result in very
1154little risk. 1154little risk.
1155 1155
1156=head3 On Solaris 9, many line-drawing characters are too wide.
1157
1158Seems to be a known bug, read
1159L<http://nixdoc.net/files/forum/about34198.html>. Some people use the
1160following ugly workaround to get non-double-wide-characters working:
1161
1162 #define wcwidth(x) wcwidth(x) > 1 ? 1 : wcwidth(x)
1163
1164=head3 I am on FreeBSD and rxvt-unicode does not seem to work at all. 1156=head3 I am on FreeBSD and rxvt-unicode does not seem to work at all.
1165 1157
1166Rxvt-unicode requires the symbol C<__STDC_ISO_10646__> to be defined 1158Rxvt-unicode requires the symbol C<__STDC_ISO_10646__> to be defined
1167in your compile environment, or an implementation that implements it, 1159in your compile environment, or an implementation that implements it,
1168whether it defines the symbol or not. C<__STDC_ISO_10646__> requires that 1160whether it defines the symbol or not. C<__STDC_ISO_10646__> requires that
… …
1191 1183
1192The rxvt-unicode author insists that the right way to fix this is in the 1184The rxvt-unicode author insists that the right way to fix this is in the
1193system libraries once and for all, instead of forcing every app to carry 1185system libraries once and for all, instead of forcing every app to carry
1194complete replacements for them :) 1186complete replacements for them :)
1195 1187
1196=head3 I use Solaris 9 and it doesn't compile/work/etc.
1197
1198Try the diff in F<doc/solaris9.patch> as a base. It fixes the worst
1199problems with C<wcwidth> and a compile problem.
1200
1201=head3 How can I use rxvt-unicode under cygwin? 1188=head3 How can I use rxvt-unicode under cygwin?
1202 1189
1203rxvt-unicode should compile and run out of the box on cygwin, using 1190rxvt-unicode should compile and run out of the box on cygwin, using
1204the X11 libraries that come with cygwin. libW11 emulation is no 1191the X11 libraries that come with cygwin. libW11 emulation is no
1205longer supported (and makes no sense, either, as it only supported a 1192longer supported (and makes no sense, either, as it only supported a
… …
1208old libW11 emulation. 1195old libW11 emulation.
1209 1196
1210At the time of this writing, cygwin didn't seem to support any multi-byte 1197At the time of this writing, cygwin didn't seem to support any multi-byte
1211encodings (you might try C<LC_CTYPE=C-UTF-8>), so you are likely limited 1198encodings (you might try C<LC_CTYPE=C-UTF-8>), so you are likely limited
1212to 8-bit encodings. 1199to 8-bit encodings.
1200
1201=head3 Character widths are not correct.
1202
1203urxvt uses the system wcwidth function to know the information about
1204the width of characters, so on systems with incorrect locale data you
1205will likely get bad results. Two notorious examples are Solaris 9,
1206where single-width characters like U+2514 are reported as double-width,
1207and Darwin 8, where combining chars are reported having width 1.
1208
1209The solution is to upgrade your system or switch to a better one. A
1210possibly working workaround is to use a wcwidth implementation like
1211
1212http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c
1213 1213
1214=head1 RXVT-UNICODE TECHNICAL REFERENCE 1214=head1 RXVT-UNICODE TECHNICAL REFERENCE
1215 1215
1216The rest of this document describes various technical aspects of 1216The rest of this document describes various technical aspects of
1217B<rxvt-unicode>. First the description of supported command sequences, 1217B<rxvt-unicode>. First the description of supported command sequences,
… …
2325 2325
2326Write user and tty to lastlog file (used by programs like 2326Write user and tty to lastlog file (used by programs like
2327F<lastlogin>) at start of rxvt execution. This option requires 2327F<lastlogin>) at start of rxvt execution. This option requires
2328--enable-utmp to also be specified. 2328--enable-utmp to also be specified.
2329 2329
2330=item --enable-xpm-background (default: on) 2330=item --enable-afterimage (default: on)
2331 2331
2332Add support for XPM background pixmaps. 2332Add support for libAfterImage to be used for transparency and background
2333images. It adds support for many file formats including JPG, PNG,
2334SVG, TIFF, GIF, XPM, BMP, ICO, XCF, TGA and AfterStep image XML
2335(L<http://www.afterstep.org/visualdoc.php?show=asimagexml>).
2336
2337This option also adds such eye candy as blending an image over the root
2338background, as well as dynamic scaling and bluring of background images.
2339
2340Note that with this option enabled, @@RXVT_NAME@@'s memory footprint might
2341increase by a few megabytes even if no extra features are used (mostly due
2342to third-party libraries used by libAI). Memory footprint may somewhat be
2343lowered if libAfterImage is configured without support for SVG.
2333 2344
2334=item --enable-transparency (default: on) 2345=item --enable-transparency (default: on)
2335 2346
2336Add support for inheriting parent backgrounds thus giving a fake 2347Add support for inheriting parent backgrounds thus giving a fake
2337transparency to the term. 2348transparency to the term.
… …
2471C<PERL> environment variable when running configure. Even when compiled 2482C<PERL> environment variable when running configure. Even when compiled
2472in, perl will I<not> be initialised when all extensions have been disabled 2483in, perl will I<not> be initialised when all extensions have been disabled
2473C<-pe "" --perl-ext-common "">, so it should be safe to enable from a 2484C<-pe "" --perl-ext-common "">, so it should be safe to enable from a
2474resource standpoint. 2485resource standpoint.
2475 2486
2487=item --with-afterimage-config=DIR
2488
2489Look for the libAfterImage config script in DIR.
2490
2476=item --with-name=NAME (default: urxvt) 2491=item --with-name=NAME (default: urxvt)
2477 2492
2478Set the basename for the installed binaries, resulting 2493Set the basename for the installed binaries, resulting
2479in C<urxvt>, C<urxvtd> etc.). Specify C<--with-name=rxvt> to replace with 2494in C<urxvt>, C<urxvtd> etc.). Specify C<--with-name=rxvt> to replace with
2480C<rxvt>. 2495C<rxvt>.
… …
2489PATH. 2504PATH.
2490 2505
2491=item --with-x 2506=item --with-x
2492 2507
2493Use the X Window System (pretty much default, eh?). 2508Use the X Window System (pretty much default, eh?).
2494
2495=item --with-xpm-includes=DIR
2496
2497Look for the XPM includes in DIR.
2498
2499=item --with-xpm-library=DIR
2500
2501Look for the XPM library in DIR.
2502
2503=item --with-xpm
2504
2505Not needed - define via --enable-xpm-background.
2506 2509
2507=back 2510=back
2508 2511
2509=head1 AUTHORS 2512=head1 AUTHORS
2510 2513

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