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Revision 1.48 by root, Tue Jun 26 00:40:18 2007 UTC vs.
Revision 1.61 by root, Fri Oct 15 21:38:31 2010 UTC

2 Meta, Features & Commandline Issues 2 Meta, Features & Commandline Issues
3 My question isn't answered here, can I ask a human? 3 My question isn't answered here, can I ask a human?
4 Before sending me mail, you could go to IRC: "irc.freenode.net", channel 4 Before sending me mail, you could go to IRC: "irc.freenode.net", channel
5 "#rxvt-unicode" has some rxvt-unicode enthusiasts that might be 5 "#rxvt-unicode" has some rxvt-unicode enthusiasts that might be
6 interested in learning about new and exciting problems (but not FAQs :). 6 interested in learning about new and exciting problems (but not FAQs :).
7
8 I use Gentoo, and I have a problem...
9 There are three big problems with Gentoo Linux: first of all, most if
10 not all Gentoo systems are completely broken (missing or mismatched
11 header files, broken compiler etc. are just the tip of the iceberg);
12 secondly, the Gentoo maintainer thinks it is a good idea to add broken
13 patches to the code; and lastly, it should be called Gentoo GNU/Linux.
14
15 For these reasons, it is impossible to support rxvt-unicode on Gentoo.
16 Problems appearing on Gentoo systems will usually simply be ignored
17 unless they can be reproduced on non-Gentoo systems.
7 18
8 Does it support tabs, can I have a tabbed rxvt-unicode? 19 Does it support tabs, can I have a tabbed rxvt-unicode?
9 Beginning with version 7.3, there is a perl extension that implements a 20 Beginning with version 7.3, there is a perl extension that implements a
10 simple tabbed terminal. It is installed by default, so any of these 21 simple tabbed terminal. It is installed by default, so any of these
11 should give you tabs: 22 should give you tabs:
58 This tries to create a new terminal, and if fails with exit status 2, 69 This tries to create a new terminal, and if fails with exit status 2,
59 meaning it couldn't connect to the daemon, it will start the daemon and 70 meaning it couldn't connect to the daemon, it will start the daemon and
60 re-run the command. Subsequent invocations of the script will re-use the 71 re-run the command. Subsequent invocations of the script will re-use the
61 existing daemon. 72 existing daemon.
62 73
63 How do I distinguish whether I'm running rxvt-unicode or a regular xterm? I need this to decide about setting colors etc. 74 How do I distinguish whether I'm running rxvt-unicode or a regular
75xterm? I need this to decide about setting colours etc.
64 The original rxvt and rxvt-unicode always export the variable 76 The original rxvt and rxvt-unicode always export the variable
65 "COLORTERM", so you can check and see if that is set. Note that several 77 "COLORTERM", so you can check and see if that is set. Note that several
66 programs, JED, slrn, Midnight Commander automatically check this 78 programs, JED, slrn, Midnight Commander automatically check this
67 variable to decide whether or not to use color. 79 variable to decide whether or not to use colour.
68 80
69 How do I set the correct, full IP address for the DISPLAY variable? 81 How do I set the correct, full IP address for the DISPLAY variable?
70 If you've compiled rxvt-unicode with DISPLAY_IS_IP and have enabled 82 If you've compiled rxvt-unicode with DISPLAY_IS_IP and have enabled
71 insecure mode then it is possible to use the following shell script 83 insecure mode then it is possible to use the following shell script
72 snippets to correctly set the display. If your version of rxvt-unicode 84 snippets to correctly set the display. If your version of rxvt-unicode
90 fi 102 fi
91 fi 103 fi
92 104
93 How do I compile the manual pages on my own? 105 How do I compile the manual pages on my own?
94 You need to have a recent version of perl installed as /usr/bin/perl, 106 You need to have a recent version of perl installed as /usr/bin/perl,
95 one that comes with pod2man, pod2text and pod2xhtml (from Pod::XHTML). 107 one that comes with pod2man, pod2text and pod2xhtml (from Pod::Xhtml).
96 Then go to the doc subdirectory and enter "make alldoc". 108 Then go to the doc subdirectory and enter "make alldoc".
97 109
98 Isn't rxvt-unicode supposed to be small? Don't all those features bloat? 110 Isn't rxvt-unicode supposed to be small? Don't all those features bloat?
99 I often get asked about this, and I think, no, they didn't cause extra 111 I often get asked about this, and I think, no, they didn't cause extra
100 bloat. If you compare a minimal rxvt and a minimal urxvt, you can see 112 bloat. If you compare a minimal rxvt and a minimal urxvt, you can see
160 172
161 And here is rxvt-unicode: 173 And here is rxvt-unicode:
162 174
163 libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x00002aaaaabc3000) 175 libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x00002aaaaabc3000)
164 libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00002aaaaada2000) 176 libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00002aaaaada2000)
165 libc.so.6 => /lib/libc.so.6 (0x00002aaaaaeb0000) 177 libc.so.6 => /lib/libc.so.6 (0x00002aaaaaeb0000)
166 libdl.so.2 => /lib/libdl.so.2 (0x00002aaaab0ee000) 178 libdl.so.2 => /lib/libdl.so.2 (0x00002aaaab0ee000)
167 /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000) 179 /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000)
168 180
169 No large bloated libraries (of course, none were linked in statically), 181 No large bloated libraries (of course, none were linked in statically),
170 except maybe libX11 :) 182 except maybe libX11 :)
171 183
172 Rendering, Font & Look and Feel Issues 184 Rendering, Font & Look and Feel Issues
177 rite of passage: ... and you failed. 189 rite of passage: ... and you failed.
178 190
179 Here are four ways to get transparency. Do read the manpage and option 191 Here are four ways to get transparency. Do read the manpage and option
180 descriptions for the programs mentioned and rxvt-unicode. Really, do it! 192 descriptions for the programs mentioned and rxvt-unicode. Really, do it!
181 193
182 1. Use inheritPixmap: 194 1. Use transparent mode:
183 195
184 Esetroot wallpaper.jpg 196 Esetroot wallpaper.jpg
185 urxvt -ip -tint red -sh 40 197 urxvt -tr -tint red -sh 40
186 198
187 That works. If you think it doesn't, you lack transparency and tinting 199 That works. If you think it doesn't, you lack transparency and tinting
188 support, or you are unable to read. 200 support, or you are unable to read.
189 201
190 2. Use a simple pixmap and emulate pseudo-transparency. This enables you 202 2. Use a simple pixmap and emulate pseudo-transparency. This enables you
191 to use effects other than tinting and shading: Just shade/tint/whatever 203 to use effects other than tinting and shading: Just shade/tint/whatever
192 your picture with gimp or any other tool: 204 your picture with gimp or any other tool:
193 205
194 convert wallpaper.jpg -blur 20x20 -modulate 30 background.xpm 206 convert wallpaper.jpg -blur 20x20 -modulate 30 background.jpg
195 urxvt -pixmap background.xpm -pe automove-background 207 urxvt -pixmap "background.jpg;:root"
196 208
197 That works. If you think it doesn't, you lack XPM and Perl support, or 209 That works. If you think it doesn't, you lack libAfterImage or
198 you are unable to read. 210 GDK-PixBuf support, or you are unable to read.
199 211
200 3. Use an ARGB visual: 212 3. Use an ARGB visual:
201 213
202 urxvt -depth 32 -fg grey90 -bg rgba:0000/0000/4444/cccc 214 urxvt -depth 32 -fg grey90 -bg rgba:0000/0000/4444/cccc
203 215
297 What's with this bold/blink stuff? 309 What's with this bold/blink stuff?
298 If no bold colour is set via "colorBD:", bold will invert text using the 310 If no bold colour is set via "colorBD:", bold will invert text using the
299 standard foreground colour. 311 standard foreground colour.
300 312
301 For the standard background colour, blinking will actually make the text 313 For the standard background colour, blinking will actually make the text
302 blink when compiled with "--enable-blinking". with standard colours. 314 blink when compiled with "--enable-text-blink". Without
303 Without "--enable-blinking", the blink attribute will be ignored. 315 "--enable-text-blink", the blink attribute will be ignored.
304 316
305 On ANSI colours, bold/blink attributes are used to set high-intensity 317 On ANSI colours, bold/blink attributes are used to set high-intensity
306 foreground/background colors. 318 foreground/background colours.
307 319
308 color0-7 are the low-intensity colors. 320 color0-7 are the low-intensity colours.
309 321
310 color8-15 are the corresponding high-intensity colors. 322 color8-15 are the corresponding high-intensity colours.
311 323
312 I don't like the screen colors. How do I change them? 324 I don't like the screen colours. How do I change them?
313 You can change the screen colors at run-time using ~/.Xdefaults 325 You can change the screen colours at run-time using ~/.Xdefaults
314 resources (or as long-options). 326 resources (or as long-options).
315 327
316 Here are values that are supposed to resemble a VGA screen, including 328 Here are values that are supposed to resemble a VGA screen, including
317 the murky brown that passes for low-intensity yellow: 329 the murky brown that passes for low-intensity yellow:
318 330
332 URxvt.color12: #0000FF 344 URxvt.color12: #0000FF
333 URxvt.color13: #FF00FF 345 URxvt.color13: #FF00FF
334 URxvt.color14: #00FFFF 346 URxvt.color14: #00FFFF
335 URxvt.color15: #FFFFFF 347 URxvt.color15: #FFFFFF
336 348
337 And here is a more complete set of non-standard colors. 349 And here is a more complete set of non-standard colours.
338 350
339 URxvt.cursorColor: #dc74d1 351 URxvt.cursorColor: #dc74d1
340 URxvt.pointerColor: #dc74d1 352 URxvt.pointerColor: #dc74d1
341 URxvt.background: #0e0e0e 353 URxvt.background: #0e0e0e
342 URxvt.foreground: #4ad5e1 354 URxvt.foreground: #4ad5e1
409 has been designed yet). 421 has been designed yet).
410 422
411 Until then, you might get away with switching fonts at runtime (see "Can 423 Until then, you might get away with switching fonts at runtime (see "Can
412 I switch the fonts at runtime?" later in this document). 424 I switch the fonts at runtime?" later in this document).
413 425
426 How can I make mplayer display video correctly?
427 We are working on it, in the meantime, as a workaround, use something
428 like:
429
430 urxvt -b 600 -geometry 20x1 -e sh -c 'mplayer -wid $WINDOWID file...'
431
414 Keyboard, Mouse & User Interaction 432 Keyboard, Mouse & User Interaction
415 The new selection selects pieces that are too big, how can I select single words? 433 The new selection selects pieces that are too big, how can I select single words?
416 If you want to select e.g. alphanumeric words, you can use the following 434 If you want to select e.g. alphanumeric words, you can use the following
417 setting: 435 setting:
418 436
424 To get a selection that is very similar to the old code, try this 442 To get a selection that is very similar to the old code, try this
425 pattern: 443 pattern:
426 444
427 URxvt.selection.pattern-0: ([^"&'()*,;<=>?@[\\\\]^`{|})]+) 445 URxvt.selection.pattern-0: ([^"&'()*,;<=>?@[\\\\]^`{|})]+)
428 446
429 Please also note that the *LeftClick Shift-LeftClik* combination also 447 Please also note that the *LeftClick Shift-LeftClick* combination also
430 selects words like the old code. 448 selects words like the old code.
431 449
432 I don't like the new selection/popups/hotkeys/perl, how do I change/disable it? 450 I don't like the new selection/popups/hotkeys/perl, how do I change/disable it?
433 You can disable the perl extension completely by setting the 451 You can disable the perl extension completely by setting the
434 perl-ext-common resource to the empty string, which also keeps 452 perl-ext-common resource to the empty string, which also keeps
481 will continue without an input method. 499 will continue without an input method.
482 500
483 In this case either do not specify a preeditStyle or specify more than 501 In this case either do not specify a preeditStyle or specify more than
484 one pre-edit style, such as OverTheSpot,Root,None. 502 one pre-edit style, such as OverTheSpot,Root,None.
485 503
504 If it still doesn't work, then maybe your input method doesn't support
505 compose sequences - to fall back to the built-in one, make sure you
506 don't specify an input method via "-im" or "XMODIFIERS".
507
486 I cannot type "Ctrl-Shift-2" to get an ASCII NUL character due to ISO 14755 508 I cannot type "Ctrl-Shift-2" to get an ASCII NUL character due to ISO 14755
487 Either try "Ctrl-2" alone (it often is mapped to ASCII NUL even on 509 Either try "Ctrl-2" alone (it often is mapped to ASCII NUL even on
488 international keyboards) or simply use ISO 14755 support to your 510 international keyboards) or simply use ISO 14755 support to your
489 advantage, typing <Ctrl-Shift-0> to get a ASCII NUL. This works for 511 advantage, typing <Ctrl-Shift-0> to get a ASCII NUL. This works for
490 other codes, too, such as "Ctrl-Shift-1-d" to type the default telnet 512 other codes, too, such as "Ctrl-Shift-1-d" to type the default telnet
504 526
505 Historically, either value is correct, but rxvt-unicode adopts the 527 Historically, either value is correct, but rxvt-unicode adopts the
506 debian policy of using "^?" when unsure, because it's the one and only 528 debian policy of using "^?" when unsure, because it's the one and only
507 correct choice :). 529 correct choice :).
508 530
509 Rxvt-unicode tries to inherit the current stty settings and uses the 531 It is possible to toggle between "^H" and "^?" with the DECBKM private
510 value of `erase' to guess the value for backspace. If rxvt-unicode 532 mode:
511 wasn't started from a terminal (say, from a menu or by remote shell),
512 then the system value of `erase', which corresponds to CERASE in
513 <termios.h>, will be used (which may not be the same as your stty
514 setting).
515
516 For starting a new rxvt-unicode:
517 533
518 # use Backspace = ^H 534 # use Backspace = ^H
519 $ stty erase ^H 535 $ stty erase ^H
520 $ urxvt 536 $ echo -n "^[[?67h"
521 537
522 # use Backspace = ^? 538 # use Backspace = ^?
523 $ stty erase ^? 539 $ stty erase ^?
524 $ urxvt
525
526 Toggle with "ESC [ 36 h" / "ESC [ 36 l".
527
528 For an existing rxvt-unicode:
529
530 # use Backspace = ^H
531 $ stty erase ^H
532 $ echo -n "^[[36h"
533
534 # use Backspace = ^?
535 $ stty erase ^?
536 $ echo -n "^[[36l" 540 $ echo -n "^[[?67l"
537 541
538 This helps satisfy some of the Backspace discrepancies that occur, but 542 This helps satisfy some of the Backspace discrepancies that occur, but
539 if you use Backspace = "^H", make sure that the termcap/terminfo value 543 if you use Backspace = "^H", make sure that the termcap/terminfo value
540 properly reflects that. 544 properly reflects that.
541 545
629 develop for myself mostly, so I actually use most of the extensions I 633 develop for myself mostly, so I actually use most of the extensions I
630 write. 634 write.
631 635
632 The selection stuff mainly makes the selection perl-error-message aware 636 The selection stuff mainly makes the selection perl-error-message aware
633 and tells it to convert perl error messages into vi-commands to load the 637 and tells it to convert perl error messages into vi-commands to load the
634 relevant file and go tot he error line number. 638 relevant file and go to the error line number.
635 639
636 URxvt.scrollstyle: plain 640 URxvt.scrollstyle: plain
637 URxvt.secondaryScroll: true 641 URxvt.secondaryScroll: true
638 642
639 As the documentation says: plain is the preferred scrollbar for the 643 As the documentation says: plain is the preferred scrollbar for the
712 my purposes, it works, and gives a different look, as my normal 716 my purposes, it works, and gives a different look, as my normal
713 (Non-bold) font is already bold, and I want to see a difference between 717 (Non-bold) font is already bold, and I want to see a difference between
714 bold and normal fonts. 718 bold and normal fonts.
715 719
716 Please note that I used the "urxvt" instance name and not the "URxvt" 720 Please note that I used the "urxvt" instance name and not the "URxvt"
717 class name. Thats because I use different configs for different 721 class name. That is because I use different configs for different
718 purposes, for example, my IRC window is started with "-name IRC", and 722 purposes, for example, my IRC window is started with "-name IRC", and
719 uses these defaults: 723 uses these defaults:
720 724
721 IRC*title: IRC 725 IRC*title: IRC
722 IRC*geometry: 87x12+535+542 726 IRC*geometry: 87x12+535+542
726 IRC*boldFont: suxuseuro 730 IRC*boldFont: suxuseuro
727 IRC*colorBD: white 731 IRC*colorBD: white
728 IRC*keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007 732 IRC*keysym.M-C-1: command:\033]710;suxuseuro\007\033]711;suxuseuro\007
729 IRC*keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007 733 IRC*keysym.M-C-2: command:\033]710;9x15bold\007\033]711;9x15bold\007
730 734
731 "Alt-Shift-1" and "Alt-Shift-2" switch between two different font sizes. 735 "Alt-Ctrl-1" and "Alt-Ctrl-2" switch between two different font sizes.
732 "suxuseuro" allows me to keep an eye (and actually read) stuff while 736 "suxuseuro" allows me to keep an eye (and actually read) stuff while
733 keeping a very small window. If somebody pastes something complicated 737 keeping a very small window. If somebody pastes something complicated
734 (e.g. japanese), I temporarily switch to a larger font. 738 (e.g. japanese), I temporarily switch to a larger font.
735 739
736 The above is all in my ".Xdefaults" (I don't use ".Xresources" nor 740 The above is all in my ".Xdefaults" (I don't use ".Xresources" nor
737 "xrdb"). I also have some resources in a separate ".Xdefaults-hostname" 741 "xrdb"). I also have some resources in a separate ".Xdefaults-hostname"
738 file for different hosts, for example, on ym main desktop, I use: 742 file for different hosts, for example, on my main desktop, I use:
739 743
740 URxvt.keysym.C-M-q: command:\033[3;5;5t 744 URxvt.keysym.C-M-q: command:\033[3;5;5t
741 URxvt.keysym.C-M-y: command:\033[3;5;606t 745 URxvt.keysym.C-M-y: command:\033[3;5;606t
742 URxvt.keysym.C-M-e: command:\033[3;1605;5t 746 URxvt.keysym.C-M-e: command:\033[3;1605;5t
743 URxvt.keysym.C-M-c: command:\033[3;1605;606t 747 URxvt.keysym.C-M-c: command:\033[3;1605;606t
772 The terminal description used by rxvt-unicode is not as widely available 776 The terminal description used by rxvt-unicode is not as widely available
773 as that for xterm, or even rxvt (for which the same problem often 777 as that for xterm, or even rxvt (for which the same problem often
774 arises). 778 arises).
775 779
776 The correct solution for this problem is to install the terminfo, this 780 The correct solution for this problem is to install the terminfo, this
777 can be done like this (with ncurses' infocmp and works as user and 781 can be done by simply installing rxvt-unicode on the remote system as
778 admin): 782 well (in case you have a nice package manager ready), or you can install
783 the terminfo database manually like this (with ncurses infocmp. works as
784 user and root):
779 785
780 REMOTE=remotesystem.domain 786 REMOTE=remotesystem.domain
781 infocmp rxvt-unicode | ssh $REMOTE "mkdir -p .terminfo && cat >/tmp/ti && tic /tmp/ti" 787 infocmp rxvt-unicode | ssh $REMOTE "mkdir -p .terminfo && cat >/tmp/ti && tic /tmp/ti"
782
783 ... or by installing rxvt-unicode normally on the remote system,
784 788
785 One some systems you might need to set $TERMINFO to the full path of 789 One some systems you might need to set $TERMINFO to the full path of
786 $HOME/.terminfo for this to work. 790 $HOME/.terminfo for this to work.
787 791
788 If you cannot or do not want to do this, then you can simply set 792 If you cannot or do not want to do this, then you can simply set
798 URxvt.termName: rxvt 802 URxvt.termName: rxvt
799 803
800 If you don't plan to use rxvt (quite common...) you could also replace 804 If you don't plan to use rxvt (quite common...) you could also replace
801 the rxvt terminfo file with the rxvt-unicode one and use "TERM=rxvt". 805 the rxvt terminfo file with the rxvt-unicode one and use "TERM=rxvt".
802 806
807 nano fails with "Error opening terminal: rxvt-unicode"
808 This exceptionally confusing and useless error message is printed by
809 nano when it can't find the terminfo database. Nothing is wrong with
810 your terminal, read the previous answer for a solution.
811
803 "tic" outputs some error when compiling the terminfo entry. 812 "tic" outputs some error when compiling the terminfo entry.
804 Most likely it's the empty definition for "enacs=". Just replace it by 813 Most likely it's the empty definition for "enacs=". Just replace it by
805 "enacs=\E[0@" and try again. 814 "enacs=\E[0@" and try again.
806 815
807 "bash"'s readline does not work correctly under urxvt. 816 "bash"'s readline does not work correctly under urxvt.
817 cases. You can also create a termcap entry by using terminfo's infocmp 826 cases. You can also create a termcap entry by using terminfo's infocmp
818 program like this: 827 program like this:
819 828
820 infocmp -C rxvt-unicode 829 infocmp -C rxvt-unicode
821 830
822 Or you could use this termcap entry, generated by the command above: 831 Or you could use the termcap entry in doc/etc/rxvt-unicode.termcap,
823 832 generated by the command above.
824 rxvt-unicode|rxvt-unicode terminal (X Window System):\
825 :am:bw:eo:km:mi:ms:xn:xo:\
826 :co#80:it#8:li#24:lm#0:\
827 :AL=\E[%dL:DC=\E[%dP:DL=\E[%dM:DO=\E[%dB:IC=\E[%d@:\
828 :K1=\EOw:K2=\EOu:K3=\EOy:K4=\EOq:K5=\EOs:LE=\E[%dD:\
829 :RI=\E[%dC:SF=\E[%dS:SR=\E[%dT:UP=\E[%dA:ae=\E(B:al=\E[L:\
830 :as=\E(0:bl=^G:cd=\E[J:ce=\E[K:cl=\E[H\E[2J:\
831 :cm=\E[%i%d;%dH:cr=^M:cs=\E[%i%d;%dr:ct=\E[3g:dc=\E[P:\
832 :dl=\E[M:do=^J:ec=\E[%dX:ei=\E[4l:ho=\E[H:\
833 :i1=\E[?47l\E=\E[?1l:ic=\E[@:im=\E[4h:\
834 :is=\E[r\E[m\E[2J\E[H\E[?7h\E[?1;3;4;6l\E[4l:\
835 :k1=\E[11~:k2=\E[12~:k3=\E[13~:k4=\E[14~:k5=\E[15~:\
836 :k6=\E[17~:k7=\E[18~:k8=\E[19~:k9=\E[20~:kD=\E[3~:\
837 :kI=\E[2~:kN=\E[6~:kP=\E[5~:kb=\177:kd=\EOB:ke=\E[?1l\E>:\
838 :kh=\E[7~:kl=\EOD:kr=\EOC:ks=\E[?1h\E=:ku=\EOA:le=^H:\
839 :mb=\E[5m:md=\E[1m:me=\E[m\017:mr=\E[7m:nd=\E[C:rc=\E8:\
840 :sc=\E7:se=\E[27m:sf=^J:so=\E[7m:sr=\EM:st=\EH:ta=^I:\
841 :te=\E[r\E[?1049l:ti=\E[?1049h:ue=\E[24m:up=\E[A:\
842 :us=\E[4m:vb=\E[?5h\E[?5l:ve=\E[?25h:vi=\E[?25l:\
843 :vs=\E[?25h:
844 833
845 Why does "ls" no longer have coloured output? 834 Why does "ls" no longer have coloured output?
846 The "ls" in the GNU coreutils unfortunately doesn't use terminfo to 835 The "ls" in the GNU coreutils unfortunately doesn't use terminfo to
847 decide whether a terminal has colour, but uses its own configuration 836 decide whether a terminal has colour, but uses its own configuration
848 file. Needless to say, "rxvt-unicode" is not in its default file (among 837 file. Needless to say, "rxvt-unicode" is not in its default file (among
985 For scim, use "@im=SCIM". You can see what input method servers are 974 For scim, use "@im=SCIM". You can see what input method servers are
986 running with this command: 975 running with this command:
987 976
988 xprop -root XIM_SERVERS 977 xprop -root XIM_SERVERS
989 978
990 * 979
991 980
992 My input method wants <some encoding> but I want UTF-8, what can I do? 981 My input method wants <some encoding> but I want UTF-8, what can I do?
993 You can specify separate locales for the input method and the rest of 982 You can specify separate locales for the input method and the rest of
994 the terminal, using the resource "imlocale": 983 the terminal, using the resource "imlocale":
995 984
1032 runtime-switchable, too, so there is usually no drawback to enabling 1021 runtime-switchable, too, so there is usually no drawback to enabling
1033 them, except higher disk and possibly memory usage. The perl interpreter 1022 them, except higher disk and possibly memory usage. The perl interpreter
1034 should be enabled, as important functionality (menus, selection, likely 1023 should be enabled, as important functionality (menus, selection, likely
1035 more in the future) depends on it. 1024 more in the future) depends on it.
1036 1025
1037 You should not overwrite the "perl-ext-common" snd "perl-ext" resources 1026 You should not overwrite the "perl-ext-common" and "perl-ext" resources
1038 system-wide (except maybe with "defaults"). This will result in useful 1027 system-wide (except maybe with "defaults"). This will result in useful
1039 behaviour. If your distribution aims at low memory, add an empty 1028 behaviour. If your distribution aims at low memory, add an empty
1040 "perl-ext-common" resource to the app-defaults file. This will keep the 1029 "perl-ext-common" resource to the app-defaults file. This will keep the
1041 perl interpreter disabled until the user enables it. 1030 perl interpreter disabled until the user enables it.
1042 1031
1059 This forking is done as the very first within main(), which is very 1048 This forking is done as the very first within main(), which is very
1060 early and reduces possible bugs to initialisation code run before 1049 early and reduces possible bugs to initialisation code run before
1061 main(), or things like the dynamic loader of your system, which should 1050 main(), or things like the dynamic loader of your system, which should
1062 result in very little risk. 1051 result in very little risk.
1063 1052
1064 On Solaris 9, many line-drawing characters are too wide.
1065 Seems to be a known bug, read
1066 <http://nixdoc.net/files/forum/about34198.html>. Some people use the
1067 following ugly workaround to get non-double-wide-characters working:
1068
1069 #define wcwidth(x) wcwidth(x) > 1 ? 1 : wcwidth(x)
1070
1071 I am on FreeBSD and rxvt-unicode does not seem to work at all. 1053 I am on FreeBSD and rxvt-unicode does not seem to work at all.
1072 Rxvt-unicode requires the symbol "__STDC_ISO_10646__" to be defined in 1054 Rxvt-unicode requires the symbol "__STDC_ISO_10646__" to be defined in
1073 your compile environment, or an implementation that implements it, 1055 your compile environment, or an implementation that implements it,
1074 whether it defines the symbol or not. "__STDC_ISO_10646__" requires that 1056 whether it defines the symbol or not. "__STDC_ISO_10646__" requires that
1075 wchar_t is represented as unicode. 1057 wchar_t is represented as unicode.
1077 As you might have guessed, FreeBSD does neither define this symbol nor 1059 As you might have guessed, FreeBSD does neither define this symbol nor
1078 does it support it. Instead, it uses its own internal representation of 1060 does it support it. Instead, it uses its own internal representation of
1079 wchar_t. This is, of course, completely fine with respect to standards. 1061 wchar_t. This is, of course, completely fine with respect to standards.
1080 1062
1081 However, that means rxvt-unicode only works in "POSIX", "ISO-8859-1" and 1063 However, that means rxvt-unicode only works in "POSIX", "ISO-8859-1" and
1082 "UTF-8" locales under FreeBSD (which all use Unicode as wchar_t. 1064 "UTF-8" locales under FreeBSD (which all use Unicode as wchar_t).
1083 1065
1084 "__STDC_ISO_10646__" is the only sane way to support multi-language apps 1066 "__STDC_ISO_10646__" is the only sane way to support multi-language apps
1085 in an OS, as using a locale-dependent (and non-standardized) 1067 in an OS, as using a locale-dependent (and non-standardized)
1086 representation of wchar_t makes it impossible to convert between wchar_t 1068 representation of wchar_t makes it impossible to convert between wchar_t
1087 (as used by X11 and your applications) and any other encoding without 1069 (as used by X11 and your applications) and any other encoding without
1097 1079
1098 The rxvt-unicode author insists that the right way to fix this is in the 1080 The rxvt-unicode author insists that the right way to fix this is in the
1099 system libraries once and for all, instead of forcing every app to carry 1081 system libraries once and for all, instead of forcing every app to carry
1100 complete replacements for them :) 1082 complete replacements for them :)
1101 1083
1102 I use Solaris 9 and it doesn't compile/work/etc.
1103 Try the diff in doc/solaris9.patch as a base. It fixes the worst
1104 problems with "wcwidth" and a compile problem.
1105
1106 How can I use rxvt-unicode under cygwin? 1084 How can I use rxvt-unicode under cygwin?
1107 rxvt-unicode should compile and run out of the box on cygwin, using the 1085 rxvt-unicode should compile and run out of the box on cygwin, using the
1108 X11 libraries that come with cygwin. libW11 emulation is no longer 1086 X11 libraries that come with cygwin. libW11 emulation is no longer
1109 supported (and makes no sense, either, as it only supported a single 1087 supported (and makes no sense, either, as it only supported a single
1110 font). I recommend starting the X-server in "-multiwindow" or 1088 font). I recommend starting the X-server in "-multiwindow" or
1113 1091
1114 At the time of this writing, cygwin didn't seem to support any 1092 At the time of this writing, cygwin didn't seem to support any
1115 multi-byte encodings (you might try "LC_CTYPE=C-UTF-8"), so you are 1093 multi-byte encodings (you might try "LC_CTYPE=C-UTF-8"), so you are
1116 likely limited to 8-bit encodings. 1094 likely limited to 8-bit encodings.
1117 1095
1096 Character widths are not correct.
1097 urxvt uses the system wcwidth function to know the information about the
1098 width of characters, so on systems with incorrect locale data you will
1099 likely get bad results. Two notorious examples are Solaris 9, where
1100 single-width characters like U+2514 are reported as double-width, and
1101 Darwin 8, where combining chars are reported having width 1.
1102
1103 The solution is to upgrade your system or switch to a better one. A
1104 possibly working workaround is to use a wcwidth implementation like
1105
1106 http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c
1107

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