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1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <title>REFERENCE - FAQ, command sequences and other background information</title>
5 <link rev="made" href="mailto:perl-binary@plan9.de" />
6 </head>
7
8 <body style="background-color: white">
9
10 <p><a name="__index__"></a></p>
11 <!-- INDEX BEGIN -->
12
13 <ul>
14
15 <li><a href="#name">NAME</a></li>
16 <li><a href="#synopsis">SYNOPSIS</a></li>
17 <li><a href="#description">DESCRIPTION</a></li>
18 <li><a href="#frequently_asked_questions">FREQUENTLY ASKED QUESTIONS</a></li>
19 <li><a href="#rxvt_technical_reference">RXVT TECHNICAL REFERENCE</a></li>
20 <li><a href="#description">DESCRIPTION</a></li>
21 <li><a href="#definitions">Definitions</a></li>
22 <li><a href="#values">Values</a></li>
23 <li><a href="#escape_sequences">Escape Sequences</a></li>
24 <li><a href="#csi__command_sequence_introducer__sequences">CSI (Command Sequence Introducer) Sequences</a></li>
25 <li><a href="#dec_private_modes">DEC Private Modes</a></li>
26 <li><a href="#xterm_operating_system_commands">XTerm Operating System Commands</a></li>
27 <li><a href="#xpm">XPM</a></li>
28 <li><a href="#mouse_reporting">Mouse Reporting</a></li>
29 <li><a href="#key_codes">Key Codes</a></li>
30 <li><a href="#configure_options">CONFIGURE OPTIONS</a></li>
31 <li><a href="#authors">AUTHORS</a></li>
32 </ul>
33 <!-- INDEX END -->
34
35 <hr />
36 <p>
37 </p>
38 <h1><a name="name">NAME</a></h1>
39 <p>RXVT REFERENCE - FAQ, command sequences and other background information</p>
40 <p>
41 </p>
42 <hr />
43 <h1><a name="synopsis">SYNOPSIS</a></h1>
44 <pre>
45 # set a new font set
46 printf '\33]50;%s\007' 9x15,xft:Kochi&quot; Mincho&quot;</pre>
47 <pre>
48 # change the locale and tell rxvt-unicode about it
49 export LC_CTYPE=ja_JP.EUC-JP; printf &quot;\33]701;$LC_CTYPE\007&quot;</pre>
50 <pre>
51 # set window title
52 printf '\33]2;%s\007' &quot;new window title&quot;</pre>
53 <p>
54 </p>
55 <hr />
56 <h1><a name="description">DESCRIPTION</a></h1>
57 <p>This document contains the FAQ, the RXVT TECHNICAL REFERENCE documenting
58 all escape sequences, and other background information.</p>
59 <p>The newest version of this document is
60 also available on the World Wide Web at
61 <a href="http://cvs.schmorp.de/browse/*checkout*/rxvt-unicode/doc/rxvt.7.html">http://cvs.schmorp.de/browse/*checkout*/rxvt-unicode/doc/rxvt.7.html</a>.</p>
62 <p>
63 </p>
64 <hr />
65 <h1><a name="frequently_asked_questions">FREQUENTLY ASKED QUESTIONS</a></h1>
66 <dl>
67 <dt><strong><a name="item_the_new_selection_selects_pieces_that_are_too_big_">The new selection selects pieces that are too big, how can I select
68 single words?</a></strong><br />
69 </dt>
70 <dd>
71 Yes. For example, if you want to select alphanumeric words, you can use
72 the following resource:
73 </dd>
74 <dd>
75 <pre>
76 URxvt.selection.pattern-0: ([[:word:]]+)</pre>
77 </dd>
78 <dd>
79 <p>If you click more than twice, the selection will be extended
80 more and more.</p>
81 </dd>
82 <dd>
83 <p>To get a selection that is very similar to the old code, try this pattern:</p>
84 </dd>
85 <dd>
86 <pre>
87 URxvt.selection.pattern-0: ([^&quot;&amp;'()*,;&lt;=&gt;?@[\\\\]^`{|})]+)</pre>
88 </dd>
89 <dd>
90 <p>Please also note that the <em>LeftClick Shift-LeftClik</em> combination also
91 selects words like the old code.</p>
92 </dd>
93 <p></p>
94 <dt><strong><a name="item_i_don_27t_like_the_new_selection_2fpopups_2fhotkey">I don't like the new selection/popups/hotkeys/perl, how do I
95 change/disable it?</a></strong><br />
96 </dt>
97 <dd>
98 You can disable the perl extension completely by setting the
99 <strong>perl-ext-common</strong> resource to the empty string, which also keeps
100 rxvt-unicode from initialising perl, saving memory.
101 </dd>
102 <dd>
103 <p>If you only want to disable specific features, you first have to
104 identify which perl extension is responsible. For this, read the section
105 <strong>PREPACKAGED EXTENSIONS</strong> in the <code>rxvtperl(3)</code> manpage. For
106 example, to disable the <strong>selection-popup</strong> and <strong>option-popup</strong>, specify
107 this <strong>perl-ext-common</strong> resource:</p>
108 </dd>
109 <dd>
110 <pre>
111 URxvt.perl-ext-common: default,-selection-popup,-option-popup</pre>
112 </dd>
113 <dd>
114 <p>This will keep the default extensions, but disable the two popup
115 extensions. Some extensions can also be configured, for example,
116 scrollback search mode is triggered by <strong>M-s</strong>. You can move it to any
117 other combination either by setting the <strong>searchable-scrollback</strong> resource:</p>
118 </dd>
119 <dd>
120 <pre>
121 URxvt.searchable-scrollback: CM-s</pre>
122 </dd>
123 <p></p>
124 <dt><strong><a name="item_isn_27t_rxvt_supposed_to_be_small_3f_don_27t_all_t">Isn't rxvt supposed to be small? Don't all those features bloat?</a></strong><br />
125 </dt>
126 <dd>
127 I often get asked about this, and I think, no, they didn't cause extra
128 bloat. If you compare a minimal rxvt and a minimal urxvt, you can see
129 that the urxvt binary is larger (due to some encoding tables always being
130 compiled in), but it actually uses less memory (RSS) after startup. Even
131 with <code>--disable-everything</code>, this comparison is a bit unfair, as many
132 features unique to urxvt (locale, encoding conversion, iso14755 etc.) are
133 already in use in this mode.
134 </dd>
135 <dd>
136 <pre>
137 text data bss drs rss filename
138 98398 1664 24 15695 1824 rxvt --disable-everything
139 188985 9048 66616 18222 1788 urxvt --disable-everything</pre>
140 </dd>
141 <dd>
142 <p>When you <a href="#item__2d_2denable_2deverything"><code>--enable-everything</code></a> (which _is_ unfair, as this involves xft
143 and full locale/XIM support which are quite bloaty inside libX11 and my
144 libc), the two diverge, but not unreasnobaly so.</p>
145 </dd>
146 <dd>
147 <pre>
148 text data bss drs rss filename
149 163431 2152 24 20123 2060 rxvt --enable-everything
150 1035683 49680 66648 29096 3680 urxvt --enable-everything</pre>
151 </dd>
152 <dd>
153 <p>The very large size of the text section is explained by the east-asian
154 encoding tables, which, if unused, take up disk space but nothing else
155 and can be compiled out unless you rely on X11 core fonts that use those
156 encodings. The BSS size comes from the 64k emergency buffer that my c++
157 compiler allocates (but of course doesn't use unless you are out of
158 memory). Also, using an xft font instead of a core font immediately adds a
159 few megabytes of RSS. Xft indeed is responsible for a lot of RSS even when
160 not used.</p>
161 </dd>
162 <dd>
163 <p>Of course, due to every character using two or four bytes instead of one,
164 a large scrollback buffer will ultimately make rxvt-unicode use more
165 memory.</p>
166 </dd>
167 <dd>
168 <p>Compared to e.g. Eterm (5112k), aterm (3132k) and xterm (4680k), this
169 still fares rather well. And compared to some monsters like gnome-terminal
170 (21152k + extra 4204k in separate processes) or konsole (22200k + extra
171 43180k in daemons that stay around after exit, plus half a minute of
172 startup time, including the hundreds of warnings it spits out), it fares
173 extremely well *g*.</p>
174 </dd>
175 <p></p>
176 <dt><strong><a name="item_why_c_2b_2b_2c_isn_27t_that_unportable_2fbloated_2">Why C++, isn't that unportable/bloated/uncool?</a></strong><br />
177 </dt>
178 <dd>
179 Is this a question? :) It comes up very often. The simple answer is: I had
180 to write it, and C++ allowed me to write and maintain it in a fraction
181 of the time and effort (which is a scarce resource for me). Put even
182 shorter: It simply wouldn't exist without C++.
183 </dd>
184 <dd>
185 <p>My personal stance on this is that C++ is less portable than C, but in
186 the case of rxvt-unicode this hardly matters, as its portability limits
187 are defined by things like X11, pseudo terminals, locale support and unix
188 domain sockets, which are all less portable than C++ itself.</p>
189 </dd>
190 <dd>
191 <p>Regarding the bloat, see the above question: It's easy to write programs
192 in C that use gobs of memory, an certainly possible to write programs in
193 C++ that don't. C++ also often comes with large libraries, but this is
194 not necessarily the case with GCC. Here is what rxvt links against on my
195 system with a minimal config:</p>
196 </dd>
197 <dd>
198 <pre>
199 libX11.so.6 =&gt; /usr/X11R6/lib/libX11.so.6 (0x00002aaaaabc3000)
200 libc.so.6 =&gt; /lib/libc.so.6 (0x00002aaaaadde000)
201 libdl.so.2 =&gt; /lib/libdl.so.2 (0x00002aaaab01d000)
202 /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000)</pre>
203 </dd>
204 <dd>
205 <p>And here is rxvt-unicode:</p>
206 </dd>
207 <dd>
208 <pre>
209 libX11.so.6 =&gt; /usr/X11R6/lib/libX11.so.6 (0x00002aaaaabc3000)
210 libgcc_s.so.1 =&gt; /lib/libgcc_s.so.1 (0x00002aaaaada2000)
211 libc.so.6 =&gt; /lib/libc.so.6 (0x00002aaaaaeb0000)
212 libdl.so.2 =&gt; /lib/libdl.so.2 (0x00002aaaab0ee000)
213 /lib64/ld-linux-x86-64.so.2 (0x00002aaaaaaab000)</pre>
214 </dd>
215 <dd>
216 <p>No large bloated libraries (of course, none were linked in statically),
217 except maybe libX11 :)</p>
218 </dd>
219 <p></p>
220 <dt><strong><a name="item_does_it_support_tabs_2c_can_i_have_a_tabbed_rxvt_2">Does it support tabs, can I have a tabbed rxvt-unicode?</a></strong><br />
221 </dt>
222 <dd>
223 rxvt-unicode does not directly support tabs. It will work fine with
224 tabbing functionality of many window managers or similar tabbing programs,
225 and its embedding-features allow it to be embedded into other programs,
226 as witnessed by <em>doc/rxvt-tabbed</em> or the upcoming <code>Gtk2::URxvt</code> perl
227 module, which features a tabbed urxvt (murxvt) terminal as an example
228 embedding application.
229 </dd>
230 <p></p>
231 <dt><strong><a name="item_how_do_i_know_which_rxvt_2dunicode_version_i_27m_u">How do I know which rxvt-unicode version I'm using?</a></strong><br />
232 </dt>
233 <dd>
234 The version number is displayed with the usage (-h). Also the escape
235 sequence <code>ESC [ 8 n</code> sets the window title to the version number. When
236 using the rxvtc client, the version displayed is that of the
237 daemon.
238 </dd>
239 <p></p>
240 <dt><strong><a name="item_i_am_using_debian_gnu_2flinux_and_have_a_problem_2">I am using Debian GNU/Linux and have a problem...</a></strong><br />
241 </dt>
242 <dd>
243 The Debian GNU/Linux package of rxvt-unicode in sarge contains large
244 patches that considerably change the behaviour of rxvt-unicode. Before
245 reporting a bug to the original rxvt-unicode author please download and
246 install the genuine version (<a href="http://software.schmorp.de#rxvt-unicode">http://software.schmorp.de#rxvt-unicode</a>)
247 and try to reproduce the problem. If you cannot, chances are that the
248 problems are specific to Debian GNU/Linux, in which case it should be
249 reported via the Debian Bug Tracking System (use <code>reportbug</code> to report
250 the bug).
251 </dd>
252 <dd>
253 <p>For other problems that also affect the Debian package, you can and
254 probably should use the Debian BTS, too, because, after all, it's also a
255 bug in the Debian version and it serves as a reminder for other users that
256 might encounter the same issue.</p>
257 </dd>
258 <p></p>
259 <dt><strong><a name="item_i_am_maintaining_rxvt_2dunicode_for_distribution_2">I am maintaining rxvt-unicode for distribution/OS XXX, any recommendation?</a></strong><br />
260 </dt>
261 <dd>
262 You should build one binary with the default options. <em>configure</em>
263 now enables most useful options, and the trend goes to making them
264 runtime-switchable, too, so there is usually no drawback to enbaling them,
265 except higher disk and possibly memory usage. The perl interpreter should
266 be enabled, as important functionality (menus, selection, likely more in
267 the future) depends on it.
268 </dd>
269 <dd>
270 <p>You should not overwrite the <code>perl-ext-common</code> snd <code>perl-ext</code> resources
271 system-wide (except maybe with <code>defaults</code>). This will result in useful
272 behaviour. If your distribution aims at low memory, add an empty
273 <code>perl-ext-common</code> resource to the app-defaults file. This will keep the
274 perl interpreter disabled until the user enables it.</p>
275 </dd>
276 <dd>
277 <p>If you can/want build more binaries, I recommend building a minimal
278 one with <code>--disable-everything</code> (very useful) and a maximal one with
279 <a href="#item__2d_2denable_2deverything"><code>--enable-everything</code></a> (less useful, it will be very big due to a lot of
280 encodings built-in that increase download times and are rarely used).</p>
281 </dd>
282 <p></p>
283 <dt><strong><a name="item_i_need_to_make_it_setuid_2fsetgid_to_support_utmp_">I need to make it setuid/setgid to support utmp/ptys on my OS, is this safe?</a></strong><br />
284 </dt>
285 <dd>
286 Likely not. While I honestly try to make it secure, and am probably not
287 bad at it, I think it is simply unreasonable to expect all of freetype
288 + fontconfig + xft + xlib + perl + ... + rxvt-unicode itself to all be
289 secure. Also, rxvt-unicode disables some options when it detects that it
290 runs setuid or setgid, which is not nice. Besides, with the embedded perl
291 interpreter the possibility for security problems easily multiplies.
292 </dd>
293 <dd>
294 <p>Elevated privileges are only required for utmp and pty operations on some
295 systems (for example, GNU/Linux doesn't need any extra privileges for
296 ptys, but some need it for utmp support). It is planned to mvoe this into
297 a forked handler process, but this is not yet done.</p>
298 </dd>
299 <dd>
300 <p>So, while setuid/setgid operation is supported and not a problem on your
301 typical single-user-no-other-logins unix desktop, always remember that
302 its an awful lot of code, most of which isn't checked for security issues
303 regularly.</p>
304 </dd>
305 <p></p>
306 <dt><strong><a name="item_when_i_log_2din_to_another_system_it_tells_me_abou">When I log-in to another system it tells me about missing terminfo data?</a></strong><br />
307 </dt>
308 <dd>
309 The terminal description used by rxvt-unicode is not as widely available
310 as that for xterm, or even rxvt (for which the same problem often arises).
311 </dd>
312 <dd>
313 <p>The correct solution for this problem is to install the terminfo, this can
314 be done like this (with ncurses' infocmp):</p>
315 </dd>
316 <dd>
317 <pre>
318 REMOTE=remotesystem.domain
319 infocmp rxvt-unicode | ssh $REMOTE &quot;cat &gt;/tmp/ti &amp;&amp; tic /tmp/ti&quot;</pre>
320 </dd>
321 <dd>
322 <p>... or by installing rxvt-unicode normally on the remote system,</p>
323 </dd>
324 <dd>
325 <p>If you cannot or do not want to do this, then you can simply set
326 <code>TERM=rxvt</code> or even <code>TERM=xterm</code>, and live with the small number of
327 problems arising, which includes wrong keymapping, less and different
328 colours and some refresh errors in fullscreen applications. It's a nice
329 quick-and-dirty workaround for rare cases, though.</p>
330 </dd>
331 <dd>
332 <p>If you always want to do this (and are fine with the consequences) you
333 can either recompile rxvt-unicode with the desired TERM value or use a
334 resource to set it:</p>
335 </dd>
336 <dd>
337 <pre>
338 URxvt.termName: rxvt</pre>
339 </dd>
340 <dd>
341 <p>If you don't plan to use <strong>rxvt</strong> (quite common...) you could also replace
342 the rxvt terminfo file with the rxvt-unicode one.</p>
343 </dd>
344 <p></p>
345 <dt><strong><a name="item_tic_outputs_some_error_when_compiling_the_terminfo"><code>tic</code> outputs some error when compiling the terminfo entry.</a></strong><br />
346 </dt>
347 <dd>
348 Most likely it's the empty definition for <code>enacs=</code>. Just replace it by
349 <code>enacs=\E[0@</code> and try again.
350 </dd>
351 <p></p>
352 <dt><strong><a name="item_bash_27s_readline_does_not_work_correctly_under_rx"><code>bash</code>'s readline does not work correctly under rxvt.</a></strong><br />
353 </dt>
354 <dt><strong><a name="item_i_need_a_termcap_file_entry_2e">I need a termcap file entry.</a></strong><br />
355 </dt>
356 <dd>
357 One reason you might want this is that some distributions or operating
358 systems still compile some programs using the long-obsoleted termcap
359 library (Fedora Core's bash is one example) and rely on a termcap entry
360 for <code>rxvt-unicode</code>.
361 </dd>
362 <dd>
363 <p>You could use rxvt's termcap entry with resonable results in many cases.
364 You can also create a termcap entry by using terminfo's infocmp program
365 like this:</p>
366 </dd>
367 <dd>
368 <pre>
369 infocmp -C rxvt-unicode</pre>
370 </dd>
371 <dd>
372 <p>Or you could use this termcap entry, generated by the command above:</p>
373 </dd>
374 <dd>
375 <pre>
376 rxvt-unicode|rxvt-unicode terminal (X Window System):\
377 :am:bw:eo:km:mi:ms:xn:xo:\
378 :co#80:it#8:li#24:lm#0:\
379 :AL=\E[%dL:DC=\E[%dP:DL=\E[%dM:DO=\E[%dB:IC=\E[%d@:\
380 :K1=\EOw:K2=\EOu:K3=\EOy:K4=\EOq:K5=\EOs:LE=\E[%dD:\
381 :RI=\E[%dC:SF=\E[%dS:SR=\E[%dT:UP=\E[%dA:ae=\E(B:al=\E[L:\
382 :as=\E(0:bl=^G:cd=\E[J:ce=\E[K:cl=\E[H\E[2J:\
383 :cm=\E[%i%d;%dH:cr=^M:cs=\E[%i%d;%dr:ct=\E[3g:dc=\E[P:\
384 :dl=\E[M:do=^J:ec=\E[%dX:ei=\E[4l:ho=\E[H:\
385 :i1=\E[?47l\E=\E[?1l:ic=\E[@:im=\E[4h:\
386 :is=\E[r\E[m\E[2J\E[H\E[?7h\E[?1;3;4;6l\E[4l:\
387 :k1=\E[11~:k2=\E[12~:k3=\E[13~:k4=\E[14~:k5=\E[15~:\
388 :k6=\E[17~:k7=\E[18~:k8=\E[19~:k9=\E[20~:kD=\E[3~:\
389 :kI=\E[2~:kN=\E[6~:kP=\E[5~:kb=\177:kd=\EOB:ke=\E[?1l\E&gt;:\
390 :kh=\E[7~:kl=\EOD:kr=\EOC:ks=\E[?1h\E=:ku=\EOA:le=^H:\
391 :mb=\E[5m:md=\E[1m:me=\E[m\017:mr=\E[7m:nd=\E[C:rc=\E8:\
392 :sc=\E7:se=\E[27m:sf=^J:so=\E[7m:sr=\EM:st=\EH:ta=^I:\
393 :te=\E[r\E[?1049l:ti=\E[?1049h:ue=\E[24m:up=\E[A:\
394 :us=\E[4m:vb=\E[?5h\E[?5l:ve=\E[?25h:vi=\E[?25l:\
395 :vs=\E[?25h:</pre>
396 </dd>
397 <p></p>
398 <dt><strong><a name="item_why_does_ls_no_longer_have_coloured_output_3f">Why does <code>ls</code> no longer have coloured output?</a></strong><br />
399 </dt>
400 <dd>
401 The <code>ls</code> in the GNU coreutils unfortunately doesn't use terminfo to
402 decide wether a terminal has colour, but uses it's own configuration
403 file. Needless to say, <code>rxvt-unicode</code> is not in it's default file (among
404 with most other terminals supporting colour). Either add:
405 </dd>
406 <dd>
407 <pre>
408 TERM rxvt-unicode</pre>
409 </dd>
410 <dd>
411 <p>to <code>/etc/DIR_COLORS</code> or simply add:</p>
412 </dd>
413 <dd>
414 <pre>
415 alias ls='ls --color=auto'</pre>
416 </dd>
417 <dd>
418 <p>to your <code>.profile</code> or <code>.bashrc</code>.</p>
419 </dd>
420 <p></p>
421 <dt><strong><a name="item_why_doesn_27t_vim_2femacs_etc_2e_use_the_88_colour">Why doesn't vim/emacs etc. use the 88 colour mode?</a></strong><br />
422 </dt>
423 <dt><strong><a name="item_why_doesn_27t_vim_2femacs_etc_2e_make_use_of_itali">Why doesn't vim/emacs etc. make use of italic?</a></strong><br />
424 </dt>
425 <dt><strong><a name="item_why_are_the_secondary_screen_2drelated_options_not">Why are the secondary screen-related options not working properly?</a></strong><br />
426 </dt>
427 <dd>
428 Make sure you are using <code>TERM=rxvt-unicode</code>. Some pre-packaged
429 distributions (most notably Debian GNU/Linux) break rxvt-unicode
430 by setting <code>TERM</code> to <code>rxvt</code>, which doesn't have these extra
431 features. Unfortunately, some of these (most notably, again, Debian
432 GNU/Linux) furthermore fail to even install the <code>rxvt-unicode</code> terminfo
433 file, so you will need to install it on your own (See the question <strong>When
434 I log-in to another system it tells me about missing terminfo data?</strong> on
435 how to do this).
436 </dd>
437 <p></p>
438 <dt><strong><a name="item_my_numerical_keypad_acts_weird_and_generates_diffe">My numerical keypad acts weird and generates differing output?</a></strong><br />
439 </dt>
440 <dd>
441 Some Debian GNUL/Linux users seem to have this problem, although no
442 specific details were reported so far. It is possible that this is caused
443 by the wrong <code>TERM</code> setting, although the details of wether and how
444 this can happen are unknown, as <code>TERM=rxvt</code> should offer a compatible
445 keymap. See the answer to the previous question, and please report if that
446 helped.
447 </dd>
448 <p></p>
449 <dt><strong><a name="item_rxvt_2dunicode_does_not_seem_to_understand_the_sel">Rxvt-unicode does not seem to understand the selected encoding?</a></strong><br />
450 </dt>
451 <dt><strong><a name="item_unicode_does_not_seem_to_work_3f">Unicode does not seem to work?</a></strong><br />
452 </dt>
453 <dd>
454 If you encounter strange problems like typing an accented character but
455 getting two unrelated other characters or similar, or if program output is
456 subtly garbled, then you should check your locale settings.
457 </dd>
458 <dd>
459 <p>Rxvt-unicode must be started with the same <code>LC_CTYPE</code> setting as the
460 programs. Often rxvt-unicode is started in the <a href="#item_c"><code>C</code></a> locale, while the
461 login script running within the rxvt-unicode window changes the locale to
462 something else, e.g. <code>en_GB.UTF-8</code>. Needless to say, this is not going to work.</p>
463 </dd>
464 <dd>
465 <p>The best thing is to fix your startup environment, as you will likely run
466 into other problems. If nothing works you can try this in your .profile.</p>
467 </dd>
468 <dd>
469 <pre>
470 printf '\e]701;%s\007' &quot;$LC_CTYPE&quot;</pre>
471 </dd>
472 <dd>
473 <p>If this doesn't work, then maybe you use a <code>LC_CTYPE</code> specification not
474 supported on your systems. Some systems have a <code>locale</code> command which
475 displays this (also, <code>perl -e0</code> can be used to check locale settings, as
476 it will complain loudly if it cannot set the locale). If it displays something
477 like:</p>
478 </dd>
479 <dd>
480 <pre>
481 locale: Cannot set LC_CTYPE to default locale: ...</pre>
482 </dd>
483 <dd>
484 <p>Then the locale you specified is not supported on your system.</p>
485 </dd>
486 <dd>
487 <p>If nothing works and you are sure that everything is set correctly then
488 you will need to remember a little known fact: Some programs just don't
489 support locales :(</p>
490 </dd>
491 <p></p>
492 <dt><strong><a name="item_why_do_some_characters_look_so_much_different_than">Why do some characters look so much different than others?</a></strong><br />
493 </dt>
494 <dt><strong><a name="item_how_does_rxvt_2dunicode_choose_fonts_3f">How does rxvt-unicode choose fonts?</a></strong><br />
495 </dt>
496 <dd>
497 Most fonts do not contain the full range of Unicode, which is
498 fine. Chances are that the font you (or the admin/package maintainer of
499 your system/os) have specified does not cover all the characters you want
500 to display.
501 </dd>
502 <dd>
503 <p><strong>rxvt-unicode</strong> makes a best-effort try at finding a replacement
504 font. Often the result is fine, but sometimes the chosen font looks
505 bad/ugly/wrong. Some fonts have totally strange characters that don't
506 resemble the correct glyph at all, and rxvt-unicode lacks the artificial
507 intelligence to detect that a specific glyph is wrong: it has to believe
508 the font that the characters it claims to contain indeed look correct.</p>
509 </dd>
510 <dd>
511 <p>In that case, select a font of your taste and add it to the font list,
512 e.g.:</p>
513 </dd>
514 <dd>
515 <pre>
516 rxvt -fn basefont,font2,font3...</pre>
517 </dd>
518 <dd>
519 <p>When rxvt-unicode sees a character, it will first look at the base
520 font. If the base font does not contain the character, it will go to the
521 next font, and so on. Specifying your own fonts will also speed up this
522 search and use less resources within rxvt-unicode and the X-server.</p>
523 </dd>
524 <dd>
525 <p>The only limitation is that none of the fonts may be larger than the base
526 font, as the base font defines the terminal character cell size, which
527 must be the same due to the way terminals work.</p>
528 </dd>
529 <p></p>
530 <dt><strong><a name="item_why_do_some_chinese_characters_look_so_different_t">Why do some chinese characters look so different than others?</a></strong><br />
531 </dt>
532 <dd>
533 This is because there is a difference between script and language --
534 rxvt-unicode does not know which language the text that is output is,
535 as it only knows the unicode character codes. If rxvt-unicode first
536 sees a japanese/chinese character, it might choose a japanese font for
537 display. Subsequent japanese characters will use that font. Now, many
538 chinese characters aren't represented in japanese fonts, so when the first
539 non-japanese character comes up, rxvt-unicode will look for a chinese font
540 -- unfortunately at this point, it will still use the japanese font for
541 chinese characters that are also in the japanese font.
542 </dd>
543 <dd>
544 <p>The workaround is easy: just tag a chinese font at the end of your font
545 list (see the previous question). The key is to view the font list as
546 a preference list: If you expect more japanese, list a japanese font
547 first. If you expect more chinese, put a chinese font first.</p>
548 </dd>
549 <dd>
550 <p>In the future it might be possible to switch language preferences at
551 runtime (the internal data structure has no problem with using different
552 fonts for the same character at the same time, but no interface for this
553 has been designed yet).</p>
554 </dd>
555 <dd>
556 <p>Until then, you might get away with switching fonts at runtime (see <a href="#can_i_switch_the_fonts_at_runtime">Can I switch the fonts at runtime?</a> later in this document).</p>
557 </dd>
558 <p></p>
559 <dt><strong><a name="item_why_does_rxvt_2dunicode_sometimes_leave_pixel_drop">Why does rxvt-unicode sometimes leave pixel droppings?</a></strong><br />
560 </dt>
561 <dd>
562 Most fonts were not designed for terminal use, which means that character
563 size varies a lot. A font that is otherwise fine for terminal use might
564 contain some characters that are simply too wide. Rxvt-unicode will avoid
565 these characters. For characters that are just ``a bit'' too wide a special
566 ``careful'' rendering mode is used that redraws adjacent characters.
567 </dd>
568 <dd>
569 <p>All of this requires that fonts do not lie about character sizes,
570 however: Xft fonts often draw glyphs larger than their acclaimed bounding
571 box, and rxvt-unicode has no way of detecting this (the correct way is to
572 ask for the character bounding box, which unfortunately is wrong in these
573 cases).</p>
574 </dd>
575 <dd>
576 <p>It's not clear (to me at least), wether this is a bug in Xft, freetype,
577 or the respective font. If you encounter this problem you might try using
578 the <code>-lsp</code> option to give the font more height. If that doesn't work, you
579 might be forced to use a different font.</p>
580 </dd>
581 <dd>
582 <p>All of this is not a problem when using X11 core fonts, as their bounding
583 box data is correct.</p>
584 </dd>
585 <p></p>
586 <dt><strong><a name="item_on_solaris_9_2c_many_line_2ddrawing_characters_are">On Solaris 9, many line-drawing characters are too wide.</a></strong><br />
587 </dt>
588 <dd>
589 Seems to be a known bug, read
590 <a href="http://nixdoc.net/files/forum/about34198.html">http://nixdoc.net/files/forum/about34198.html</a>. Some people use the
591 following ugly workaround to get non-double-wide-characters working:
592 </dd>
593 <dd>
594 <pre>
595 #define wcwidth(x) wcwidth(x) &gt; 1 ? 1 : wcwidth(x)</pre>
596 </dd>
597 <p></p>
598 <dt><strong><a name="item_compose">My Compose (Multi_key) key is no longer working.</a></strong><br />
599 </dt>
600 <dd>
601 The most common causes for this are that either your locale is not set
602 correctly, or you specified a <strong>preeditStyle</strong> that is not supported by
603 your input method. For example, if you specified <strong>OverTheSpot</strong> and
604 your input method (e.g. the default input method handling Compose keys)
605 does not support this (for instance because it is not visual), then
606 rxvt-unicode will continue without an input method.
607 </dd>
608 <dd>
609 <p>In this case either do not specify a <strong>preeditStyle</strong> or specify more than
610 one pre-edit style, such as <strong>OverTheSpot,Root,None</strong>.</p>
611 </dd>
612 <p></p>
613 <dt><strong><a name="item_i_cannot_type_ctrl_2dshift_2d2_to_get_an_ascii_nul">I cannot type <code>Ctrl-Shift-2</code> to get an ASCII NUL character due to ISO 14755</a></strong><br />
614 </dt>
615 <dd>
616 Either try <code>Ctrl-2</code> alone (it often is mapped to ASCII NUL even on
617 international keyboards) or simply use ISO 14755 support to your
618 advantage, typing &lt;Ctrl-Shift-0&gt; to get a ASCII NUL. This works for other
619 codes, too, such as <code>Ctrl-Shift-1-d</code> to type the default telnet escape
620 character and so on.
621 </dd>
622 <p></p>
623 <dt><strong><a name="item_how_can_i_keep_rxvt_2dunicode_from_using_reverse_v">How can I keep rxvt-unicode from using reverse video so much?</a></strong><br />
624 </dt>
625 <dd>
626 First of all, make sure you are running with the right terminal settings
627 (<code>TERM=rxvt-unicode</code>), which will get rid of most of these effects. Then
628 make sure you have specified colours for italic and bold, as otherwise
629 rxvt-unicode might use reverse video to simulate the effect:
630 </dd>
631 <dd>
632 <pre>
633 URxvt.colorBD: white
634 URxvt.colorIT: green</pre>
635 </dd>
636 <p></p>
637 <dt><strong><a name="item_colours">Some programs assume totally weird colours (red instead of blue), how can I fix that?</a></strong><br />
638 </dt>
639 <dd>
640 For some unexplainable reason, some rare programs assume a very weird
641 colour palette when confronted with a terminal with more than the standard
642 8 colours (rxvt-unicode supports 88). The right fix is, of course, to fix
643 these programs not to assume non-ISO colours without very good reasons.
644 </dd>
645 <dd>
646 <p>In the meantime, you can either edit your <code>rxvt-unicode</code> terminfo
647 definition to only claim 8 colour support or use <code>TERM=rxvt</code>, which will
648 fix colours but keep you from using other rxvt-unicode features.</p>
649 </dd>
650 <p></p>
651 <dt><strong><a name="item_i_am_on_freebsd_and_rxvt_2dunicode_does_not_seem_t">I am on FreeBSD and rxvt-unicode does not seem to work at all.</a></strong><br />
652 </dt>
653 <dd>
654 Rxvt-unicode requires the symbol <code>__STDC_ISO_10646__</code> to be defined
655 in your compile environment, or an implementation that implements it,
656 wether it defines the symbol or not. <code>__STDC_ISO_10646__</code> requires that
657 <strong>wchar_t</strong> is represented as unicode.
658 </dd>
659 <dd>
660 <p>As you might have guessed, FreeBSD does neither define this symobl nor
661 does it support it. Instead, it uses it's own internal representation of
662 <strong>wchar_t</strong>. This is, of course, completely fine with respect to standards.</p>
663 </dd>
664 <dd>
665 <p>However, that means rxvt-unicode only works in <code>POSIX</code>, <code>ISO-8859-1</code> and
666 <code>UTF-8</code> locales under FreeBSD (which all use Unicode as <strong>wchar_t</strong>.</p>
667 </dd>
668 <dd>
669 <p><code>__STDC_ISO_10646__</code> is the only sane way to support multi-language
670 apps in an OS, as using a locale-dependent (and non-standardized)
671 representation of <strong>wchar_t</strong> makes it impossible to convert between
672 <strong>wchar_t</strong> (as used by X11 and your applications) and any other encoding
673 without implementing OS-specific-wrappers for each and every locale. There
674 simply are no APIs to convert <strong>wchar_t</strong> into anything except the current
675 locale encoding.</p>
676 </dd>
677 <dd>
678 <p>Some applications (such as the formidable <strong>mlterm</strong>) work around this
679 by carrying their own replacement functions for character set handling
680 with them, and either implementing OS-dependent hacks or doing multiple
681 conversions (which is slow and unreliable in case the OS implements
682 encodings slightly different than the terminal emulator).</p>
683 </dd>
684 <dd>
685 <p>The rxvt-unicode author insists that the right way to fix this is in the
686 system libraries once and for all, instead of forcing every app to carry
687 complete replacements for them :)</p>
688 </dd>
689 <p></p>
690 <dt><strong><a name="item_i_use_solaris_9_and_it_doesn_27t_compile_2fwork_2f">I use Solaris 9 and it doesn't compile/work/etc.</a></strong><br />
691 </dt>
692 <dd>
693 Try the diff in <em>doc/solaris9.patch</em> as a base. It fixes the worst
694 problems with <code>wcwidth</code> and a compile problem.
695 </dd>
696 <p></p>
697 <dt><strong><a name="item_how_can_i_use_rxvt_2dunicode_under_cygwin_3f">How can I use rxvt-unicode under cygwin?</a></strong><br />
698 </dt>
699 <dd>
700 rxvt-unicode should compile and run out of the box on cygwin, using
701 the X11 libraries that come with cygwin. libW11 emulation is no
702 longer supported (and makes no sense, either, as it only supported a
703 single font). I recommend starting the X-server in <code>-multiwindow</code> or
704 <code>-rootless</code> mode instead, which will result in similar look&amp;feel as the
705 old libW11 emulation.
706 </dd>
707 <dd>
708 <p>At the time of this writing, cygwin didn't seem to support any multi-byte
709 encodings (you might try <code>LC_CTYPE=C-UTF-8</code>), so you are likely limited
710 to 8-bit encodings.</p>
711 </dd>
712 <p></p>
713 <dt><strong><a name="item_how_does_rxvt_2dunicode_determine_the_encoding_to_">How does rxvt-unicode determine the encoding to use?</a></strong><br />
714 </dt>
715 <dt><strong><a name="item_is_there_an_option_to_switch_encodings_3f">Is there an option to switch encodings?</a></strong><br />
716 </dt>
717 <dd>
718 Unlike some other terminals, rxvt-unicode has no encoding switch, and no
719 specific ``utf-8'' mode, such as xterm. In fact, it doesn't even know about
720 UTF-8 or any other encodings with respect to terminal I/O.
721 </dd>
722 <dd>
723 <p>The reasons is that there exists a perfectly fine mechanism for selecting
724 the encoding, doing I/O and (most important) communicating this to all
725 applications so everybody agrees on character properties such as width
726 and code number. This mechanism is the <em>locale</em>. Applications not using
727 that info will have problems (for example, <code>xterm</code> gets the width of
728 characters wrong as it uses it's own, locale-independent table under all
729 locales).</p>
730 </dd>
731 <dd>
732 <p>Rxvt-unicode uses the <code>LC_CTYPE</code> locale category to select encoding. All
733 programs doing the same (that is, most) will automatically agree in the
734 interpretation of characters.</p>
735 </dd>
736 <dd>
737 <p>Unfortunately, there is no system-independent way to select locales, nor
738 is there a standard on how locale specifiers will look like.</p>
739 </dd>
740 <dd>
741 <p>On most systems, the content of the <code>LC_CTYPE</code> environment variable
742 contains an arbitrary string which corresponds to an already-installed
743 locale. Common names for locales are <code>en_US.UTF-8</code>, <code>de_DE.ISO-8859-15</code>,
744 <code>ja_JP.EUC-JP</code>, i.e. <code>language_country.encoding</code>, but other forms
745 (i.e. <code>de</code> or <code>german</code>) are also common.</p>
746 </dd>
747 <dd>
748 <p>Rxvt-unicode ignores all other locale categories, and except for
749 the encoding, ignores country or language-specific settings,
750 i.e. <code>de_DE.UTF-8</code> and <code>ja_JP.UTF-8</code> are the normally same to
751 rxvt-unicode.</p>
752 </dd>
753 <dd>
754 <p>If you want to use a specific encoding you have to make sure you start
755 rxvt-unicode with the correct <code>LC_CTYPE</code> category.</p>
756 </dd>
757 <p></p>
758 <dt><strong><a name="item_can_i_switch_locales_at_runtime_3f">Can I switch locales at runtime?</a></strong><br />
759 </dt>
760 <dd>
761 Yes, using an escape sequence. Try something like this, which sets
762 rxvt-unicode's idea of <code>LC_CTYPE</code>.
763 </dd>
764 <dd>
765 <pre>
766 printf '\e]701;%s\007' ja_JP.SJIS</pre>
767 </dd>
768 <dd>
769 <p>See also the previous answer.</p>
770 </dd>
771 <dd>
772 <p>Sometimes this capability is rather handy when you want to work in
773 one locale (e.g. <code>de_DE.UTF-8</code>) but some programs don't support it
774 (e.g. UTF-8). For example, I use this script to start <code>xjdic</code>, which
775 first switches to a locale supported by xjdic and back later:</p>
776 </dd>
777 <dd>
778 <pre>
779 printf '\e]701;%s\007' ja_JP.SJIS
780 xjdic -js
781 printf '\e]701;%s\007' de_DE.UTF-8</pre>
782 </dd>
783 <dd>
784 <p>You can also use xterm's <code>luit</code> program, which usually works fine, except
785 for some locales where character width differs between program- and
786 rxvt-unicode-locales.</p>
787 </dd>
788 <p></p>
789 <dt><strong><a name="item_can_i_switch_the_fonts_at_runtime_3f">Can I switch the fonts at runtime?</a></strong><br />
790 </dt>
791 <dd>
792 Yes, using an escape sequence. Try something like this, which has the same
793 effect as using the <code>-fn</code> switch, and takes effect immediately:
794 </dd>
795 <dd>
796 <pre>
797 printf '\e]50;%s\007' &quot;9x15bold,xft:Kochi Gothic&quot;</pre>
798 </dd>
799 <dd>
800 <p>This is useful if you e.g. work primarily with japanese (and prefer a
801 japanese font), but you have to switch to chinese temporarily, where
802 japanese fonts would only be in your way.</p>
803 </dd>
804 <dd>
805 <p>You can think of this as a kind of manual ISO-2022 switching.</p>
806 </dd>
807 <p></p>
808 <dt><strong><a name="item_why_do_italic_characters_look_as_if_clipped_3f">Why do italic characters look as if clipped?</a></strong><br />
809 </dt>
810 <dd>
811 Many fonts have difficulties with italic characters and hinting. For
812 example, the otherwise very nicely hinted font <code>xft:Bitstream Vera Sans
813 Mono</code> completely fails in it's italic face. A workaround might be to
814 enable freetype autohinting, i.e. like this:
815 </dd>
816 <dd>
817 <pre>
818 URxvt.italicFont: xft:Bitstream Vera Sans Mono:italic:autohint=true
819 URxvt.boldItalicFont: xft:Bitstream Vera Sans Mono:bold:italic:autohint=true</pre>
820 </dd>
821 <p></p>
822 <dt><strong><a name="item_my_input_method_wants__3csome_encoding_3e_but_i_wa">My input method wants &lt;some encoding&gt; but I want UTF-8, what can I do?</a></strong><br />
823 </dt>
824 <dd>
825 You can specify separate locales for the input method and the rest of the
826 terminal, using the resource <code>imlocale</code>:
827 </dd>
828 <dd>
829 <pre>
830 URxvt.imlocale: ja_JP.EUC-JP</pre>
831 </dd>
832 <dd>
833 <p>Now you can start your terminal with <code>LC_CTYPE=ja_JP.UTF-8</code> and still
834 use your input method. Please note, however, that you will not be able to
835 input characters outside <code>EUC-JP</code> in a normal way then, as your input
836 method limits you.</p>
837 </dd>
838 <p></p>
839 <dt><strong><a name="item_rxvt_2dunicode_crashes_when_the_x_input_method_cha">Rxvt-unicode crashes when the X Input Method changes or exits.</a></strong><br />
840 </dt>
841 <dd>
842 Unfortunately, this is unavoidable, as the XIM protocol is racy by
843 design. Applications can avoid some crashes at the expense of memory
844 leaks, and Input Methods can avoid some crashes by careful ordering at
845 exit time. <strong>kinput2</strong> (and derived input methods) generally succeeds,
846 while <strong>SCIM</strong> (or similar input methods) fails. In the end, however,
847 crashes cannot be completely avoided even if both sides cooperate.
848 </dd>
849 <dd>
850 <p>So the only workaround is not to kill your Input Method Servers.</p>
851 </dd>
852 <p></p>
853 <dt><strong><a name="item_rxvt_2dunicode_uses_gobs_of_memory_2c_how_can_i_re">Rxvt-unicode uses gobs of memory, how can I reduce that?</a></strong><br />
854 </dt>
855 <dd>
856 Rxvt-unicode tries to obey the rule of not charging you for something you
857 don't use. One thing you should try is to configure out all settings that
858 you don't need, for example, Xft support is a resource hog by design,
859 when used. Compiling it out ensures that no Xft font will be loaded
860 accidentally when rxvt-unicode tries to find a font for your characters.
861 </dd>
862 <dd>
863 <p>Also, many people (me included) like large windows and even larger
864 scrollback buffers: Without <code>--enable-unicode3</code>, rxvt-unicode will use
865 6 bytes per screen cell. For a 160x?? window this amounts to almost a
866 kilobyte per line. A scrollback buffer of 10000 lines will then (if full)
867 use 10 Megabytes of memory. With <code>--enable-unicode3</code> it gets worse, as
868 rxvt-unicode then uses 8 bytes per screen cell.</p>
869 </dd>
870 <p></p>
871 <dt><strong><a name="item_can_i_speed_up_xft_rendering_somehow_3f">Can I speed up Xft rendering somehow?</a></strong><br />
872 </dt>
873 <dd>
874 Yes, the most obvious way to speed it up is to avoid Xft entirely, as
875 it is simply slow. If you still want Xft fonts you might try to disable
876 antialiasing (by appending <code>:antialias=false</code>), which saves lots of
877 memory and also speeds up rendering considerably.
878 </dd>
879 <p></p>
880 <dt><strong><a name="item_rxvt_2dunicode_doesn_27t_seem_to_anti_2dalias_its_">Rxvt-unicode doesn't seem to anti-alias its fonts, what is wrong?</a></strong><br />
881 </dt>
882 <dd>
883 Rxvt-unicode will use whatever you specify as a font. If it needs to
884 fall back to it's default font search list it will prefer X11 core
885 fonts, because they are small and fast, and then use Xft fonts. It has
886 antialiasing disabled for most of them, because the author thinks they
887 look best that way.
888 </dd>
889 <dd>
890 <p>If you want antialiasing, you have to specify the fonts manually.</p>
891 </dd>
892 <p></p>
893 <dt><strong><a name="item_mouse_cut_2fpaste_suddenly_no_longer_works_2e">Mouse cut/paste suddenly no longer works.</a></strong><br />
894 </dt>
895 <dd>
896 Make sure that mouse reporting is actually turned off since killing
897 some editors prematurely may leave the mouse in mouse report mode. I've
898 heard that tcsh may use mouse reporting unless it otherwise specified. A
899 quick check is to see if cut/paste works when the Alt or Shift keys are
900 depressed.
901 </dd>
902 <p></p>
903 <dt><strong><a name="item_what_27s_with_this_bold_2fblink_stuff_3f">What's with this bold/blink stuff?</a></strong><br />
904 </dt>
905 <dd>
906 If no bold colour is set via <code>colorBD:</code>, bold will invert text using the
907 standard foreground colour.
908 </dd>
909 <dd>
910 <p>For the standard background colour, blinking will actually make the
911 text blink when compiled with <code>--enable-blinking</code>. with standard
912 colours. Without <code>--enable-blinking</code>, the blink attribute will be
913 ignored.</p>
914 </dd>
915 <dd>
916 <p>On ANSI colours, bold/blink attributes are used to set high-intensity
917 foreground/background colors.</p>
918 </dd>
919 <dd>
920 <p>color0-7 are the low-intensity colors.</p>
921 </dd>
922 <dd>
923 <p>color8-15 are the corresponding high-intensity colors.</p>
924 </dd>
925 <p></p>
926 <dt><strong><a name="item_i_don_27t_like_the_screen_colors_2e_how_do_i_chang">I don't like the screen colors. How do I change them?</a></strong><br />
927 </dt>
928 <dd>
929 You can change the screen colors at run-time using <em>~/.Xdefaults</em>
930 resources (or as long-options).
931 </dd>
932 <dd>
933 <p>Here are values that are supposed to resemble a VGA screen,
934 including the murky brown that passes for low-intensity yellow:</p>
935 </dd>
936 <dd>
937 <pre>
938 URxvt.color0: #000000
939 URxvt.color1: #A80000
940 URxvt.color2: #00A800
941 URxvt.color3: #A8A800
942 URxvt.color4: #0000A8
943 URxvt.color5: #A800A8
944 URxvt.color6: #00A8A8
945 URxvt.color7: #A8A8A8</pre>
946 </dd>
947 <dd>
948 <pre>
949 URxvt.color8: #000054
950 URxvt.color9: #FF0054
951 URxvt.color10: #00FF54
952 URxvt.color11: #FFFF54
953 URxvt.color12: #0000FF
954 URxvt.color13: #FF00FF
955 URxvt.color14: #00FFFF
956 URxvt.color15: #FFFFFF</pre>
957 </dd>
958 <dd>
959 <p>And here is a more complete set of non-standard colors described (not by
960 me) as ``pretty girly''.</p>
961 </dd>
962 <dd>
963 <pre>
964 URxvt.cursorColor: #dc74d1
965 URxvt.pointerColor: #dc74d1
966 URxvt.background: #0e0e0e
967 URxvt.foreground: #4ad5e1
968 URxvt.color0: #000000
969 URxvt.color8: #8b8f93
970 URxvt.color1: #dc74d1
971 URxvt.color9: #dc74d1
972 URxvt.color2: #0eb8c7
973 URxvt.color10: #0eb8c7
974 URxvt.color3: #dfe37e
975 URxvt.color11: #dfe37e
976 URxvt.color5: #9e88f0
977 URxvt.color13: #9e88f0
978 URxvt.color6: #73f7ff
979 URxvt.color14: #73f7ff
980 URxvt.color7: #e1dddd
981 URxvt.color15: #e1dddd</pre>
982 </dd>
983 <p></p>
984 <dt><strong><a name="item_how_can_i_start_rxvtd_in_a_race_2dfree_way_3f">How can I start rxvtd in a race-free way?</a></strong><br />
985 </dt>
986 <dd>
987 Try <code>rxvtd -f -o</code>, which tells rxvtd to open the
988 display, create the listening socket and then fork.
989 </dd>
990 <p></p>
991 <dt><strong><a name="item_what_27s_with_the_strange_backspace_2fdelete_key_b">What's with the strange Backspace/Delete key behaviour?</a></strong><br />
992 </dt>
993 <dd>
994 Assuming that the physical Backspace key corresponds to the
995 BackSpace keysym (not likely for Linux ... see the following
996 question) there are two standard values that can be used for
997 Backspace: <code>^H</code> and <code>^?</code>.
998 </dd>
999 <dd>
1000 <p>Historically, either value is correct, but rxvt-unicode adopts the debian
1001 policy of using <code>^?</code> when unsure, because it's the one only only correct
1002 choice :).</p>
1003 </dd>
1004 <dd>
1005 <p>Rxvt-unicode tries to inherit the current stty settings and uses the value
1006 of `erase' to guess the value for backspace. If rxvt-unicode wasn't
1007 started from a terminal (say, from a menu or by remote shell), then the
1008 system value of `erase', which corresponds to CERASE in &lt;termios.h&gt;, will
1009 be used (which may not be the same as your stty setting).</p>
1010 </dd>
1011 <dd>
1012 <p>For starting a new rxvt-unicode:</p>
1013 </dd>
1014 <dd>
1015 <pre>
1016 # use Backspace = ^H
1017 $ stty erase ^H
1018 $ rxvt</pre>
1019 </dd>
1020 <dd>
1021 <pre>
1022 # use Backspace = ^?
1023 $ stty erase ^?
1024 $ rxvt</pre>
1025 </dd>
1026 <dd>
1027 <p>Toggle with <code>ESC [ 36 h</code> / <code>ESC [ 36 l</code>.</p>
1028 </dd>
1029 <dd>
1030 <p>For an existing rxvt-unicode:</p>
1031 </dd>
1032 <dd>
1033 <pre>
1034 # use Backspace = ^H
1035 $ stty erase ^H
1036 $ echo -n &quot;^[[36h&quot;</pre>
1037 </dd>
1038 <dd>
1039 <pre>
1040 # use Backspace = ^?
1041 $ stty erase ^?
1042 $ echo -n &quot;^[[36l&quot;</pre>
1043 </dd>
1044 <dd>
1045 <p>This helps satisfy some of the Backspace discrepancies that occur, but
1046 if you use Backspace = <code>^H</code>, make sure that the termcap/terminfo value
1047 properly reflects that.</p>
1048 </dd>
1049 <dd>
1050 <p>The Delete key is a another casualty of the ill-defined Backspace problem.
1051 To avoid confusion between the Backspace and Delete keys, the Delete
1052 key has been assigned an escape sequence to match the vt100 for Execute
1053 (<code>ESC [ 3 ~</code>) and is in the supplied termcap/terminfo.</p>
1054 </dd>
1055 <dd>
1056 <p>Some other Backspace problems:</p>
1057 </dd>
1058 <dd>
1059 <p>some editors use termcap/terminfo,
1060 some editors (vim I'm told) expect Backspace = ^H,
1061 GNU Emacs (and Emacs-like editors) use ^H for help.</p>
1062 </dd>
1063 <dd>
1064 <p>Perhaps someday this will all be resolved in a consistent manner.</p>
1065 </dd>
1066 <p></p>
1067 <dt><strong><a name="item_i_don_27t_like_the_key_2dbindings_2e_how_do_i_chan">I don't like the key-bindings. How do I change them?</a></strong><br />
1068 </dt>
1069 <dd>
1070 There are some compile-time selections available via configure. Unless
1071 you have run ``configure'' with the <a href="#item__2d_2ddisable_2dresources"><code>--disable-resources</code></a> option you can
1072 use the `keysym' resource to alter the keystrings associated with keysyms.
1073 </dd>
1074 <dd>
1075 <p>Here's an example for a URxvt session started using <code>rxvt -name URxvt</code></p>
1076 </dd>
1077 <dd>
1078 <pre>
1079 URxvt.keysym.Home: \033[1~
1080 URxvt.keysym.End: \033[4~
1081 URxvt.keysym.C-apostrophe: \033&lt;C-'&gt;
1082 URxvt.keysym.C-slash: \033&lt;C-/&gt;
1083 URxvt.keysym.C-semicolon: \033&lt;C-;&gt;
1084 URxvt.keysym.C-grave: \033&lt;C-`&gt;
1085 URxvt.keysym.C-comma: \033&lt;C-,&gt;
1086 URxvt.keysym.C-period: \033&lt;C-.&gt;
1087 URxvt.keysym.C-0x60: \033&lt;C-`&gt;
1088 URxvt.keysym.C-Tab: \033&lt;C-Tab&gt;
1089 URxvt.keysym.C-Return: \033&lt;C-Return&gt;
1090 URxvt.keysym.S-Return: \033&lt;S-Return&gt;
1091 URxvt.keysym.S-space: \033&lt;S-Space&gt;
1092 URxvt.keysym.M-Up: \033&lt;M-Up&gt;
1093 URxvt.keysym.M-Down: \033&lt;M-Down&gt;
1094 URxvt.keysym.M-Left: \033&lt;M-Left&gt;
1095 URxvt.keysym.M-Right: \033&lt;M-Right&gt;
1096 URxvt.keysym.M-C-0: list \033&lt;M-C- 0123456789 &gt;
1097 URxvt.keysym.M-C-a: list \033&lt;M-C- abcdefghijklmnopqrstuvwxyz &gt;
1098 URxvt.keysym.F12: command:\033]701;zh_CN.GBK\007</pre>
1099 </dd>
1100 <dd>
1101 <p>See some more examples in the documentation for the <strong>keysym</strong> resource.</p>
1102 </dd>
1103 <p></p>
1104 <dt><strong><a name="item_i_27m_using_keyboard_model_xxx_that_has_extra_prio">I'm using keyboard model XXX that has extra Prior/Next/Insert keys.
1105 How do I make use of them? For example, the Sun Keyboard type 4
1106 has the following mappings that rxvt-unicode doesn't recognize.</a></strong><br />
1107 </dt>
1108 <dd>
1109 <pre>
1110 KP_Insert == Insert
1111 F22 == Print
1112 F27 == Home
1113 F29 == Prior
1114 F33 == End
1115 F35 == Next</pre>
1116 </dd>
1117 <dd>
1118 <p>Rather than have rxvt-unicode try to accommodate all the various possible
1119 keyboard mappings, it is better to use `xmodmap' to remap the keys as
1120 required for your particular machine.</p>
1121 </dd>
1122 <dt><strong><a name="item_how_do_i_distinguish_wether_i_27m_running_rxvt_2du">How do I distinguish wether I'm running rxvt-unicode or a regular xterm?
1123 I need this to decide about setting colors etc.</a></strong><br />
1124 </dt>
1125 <dd>
1126 rxvt and rxvt-unicode always export the variable ``COLORTERM'', so you can
1127 check and see if that is set. Note that several programs, JED, slrn,
1128 Midnight Commander automatically check this variable to decide whether or
1129 not to use color.
1130 </dd>
1131 <p></p>
1132 <dt><strong><a name="item_how_do_i_set_the_correct_2c_full_ip_address_for_th">How do I set the correct, full IP address for the DISPLAY variable?</a></strong><br />
1133 </dt>
1134 <dd>
1135 If you've compiled rxvt-unicode with DISPLAY_IS_IP and have enabled
1136 insecure mode then it is possible to use the following shell script
1137 snippets to correctly set the display. If your version of rxvt-unicode
1138 wasn't also compiled with ESCZ_ANSWER (as assumed in these snippets) then
1139 the COLORTERM variable can be used to distinguish rxvt-unicode from a
1140 regular xterm.
1141 </dd>
1142 <dd>
1143 <p>Courtesy of Chuck Blake &lt;<a href="mailto:cblake@BBN.COM">cblake@BBN.COM</a>&gt; with the following shell script
1144 snippets:</p>
1145 </dd>
1146 <dd>
1147 <pre>
1148 # Bourne/Korn/POSIX family of shells:
1149 [ ${TERM:-foo} = foo ] &amp;&amp; TERM=xterm # assume an xterm if we don't know
1150 if [ ${TERM:-foo} = xterm ]; then
1151 stty -icanon -echo min 0 time 15 # see if enhanced rxvt or not
1152 echo -n '^[Z'
1153 read term_id
1154 stty icanon echo
1155 if [ &quot;&quot;${term_id} = '^[[?1;2C' -a ${DISPLAY:-foo} = foo ]; then
1156 echo -n '^[[7n' # query the rxvt we are in for the DISPLAY string
1157 read DISPLAY # set it in our local shell
1158 fi
1159 fi</pre>
1160 </dd>
1161 <p></p>
1162 <dt><strong><a name="item_how_do_i_compile_the_manual_pages_for_myself_3f">How do I compile the manual pages for myself?</a></strong><br />
1163 </dt>
1164 <dd>
1165 You need to have a recent version of perl installed as <em>/usr/bin/perl</em>,
1166 one that comes with <em>pod2man</em>, <em>pod2text</em> and <em>pod2html</em>. Then go to
1167 the doc subdirectory and enter <code>make alldoc</code>.
1168 </dd>
1169 <p></p>
1170 <dt><strong><a name="item_my_question_isn_27t_answered_here_2c_can_i_ask_a_h">My question isn't answered here, can I ask a human?</a></strong><br />
1171 </dt>
1172 <dd>
1173 Before sending me mail, you could go to IRC: <code>irc.freenode.net</code>,
1174 channel <code>#rxvt-unicode</code> has some rxvt-unicode enthusiasts that might be
1175 interested in learning about new and exciting problems (but not FAQs :).
1176 </dd>
1177 <p></p></dl>
1178 <p>
1179 </p>
1180 <hr />
1181 <h1><a name="rxvt_technical_reference">RXVT TECHNICAL REFERENCE</a></h1>
1182 <p>
1183 </p>
1184 <hr />
1185 <h1><a name="description">DESCRIPTION</a></h1>
1186 <p>The rest of this document describes various technical aspects of
1187 <strong>rxvt-unicode</strong>. First the description of supported command sequences,
1188 followed by menu and pixmap support and last by a description of all
1189 features selectable at <code>configure</code> time.</p>
1190 <p>
1191 </p>
1192 <hr />
1193 <h1><a name="definitions">Definitions</a></h1>
1194 <dl>
1195 <dt><strong><a name="item_c"><strong><code>c</code> </strong>&gt;</a></strong><br />
1196 </dt>
1197 <dd>
1198 The literal character c.
1199 </dd>
1200 <p></p>
1201 <dt><strong><a name="item_c"><strong><code>C</code> </strong>&gt;</a></strong><br />
1202 </dt>
1203 <dd>
1204 A single (required) character.
1205 </dd>
1206 <p></p>
1207 <dt><strong><a name="item_ps"><strong><code>Ps</code> </strong>&gt;</a></strong><br />
1208 </dt>
1209 <dd>
1210 A single (usually optional) numeric parameter, composed of one or more
1211 digits.
1212 </dd>
1213 <p></p>
1214 <dt><strong><a name="item_pm"><strong><code>Pm</code> </strong>&gt;</a></strong><br />
1215 </dt>
1216 <dd>
1217 A multiple numeric parameter composed of any number of single numeric
1218 parameters, separated by <code>;</code> character(s).
1219 </dd>
1220 <p></p>
1221 <dt><strong><a name="item_pt"><strong><code>Pt</code> </strong>&gt;</a></strong><br />
1222 </dt>
1223 <dd>
1224 A text parameter composed of printable characters.
1225 </dd>
1226 <p></p></dl>
1227 <p>
1228 </p>
1229 <hr />
1230 <h1><a name="values">Values</a></h1>
1231 <dl>
1232 <dt><strong><a name="item_enq"><strong><code>ENQ</code> </strong>&gt;</a></strong><br />
1233 </dt>
1234 <dd>
1235 Enquiry (Ctrl-E) = Send Device Attributes (DA)
1236 request attributes from terminal. See <strong><a href="#item_esc__5b_ps_c"><code>ESC [ Ps c</code></a> </strong>&gt;.
1237 </dd>
1238 <p></p>
1239 <dt><strong><a name="item_bel"><strong><code>BEL</code> </strong>&gt;</a></strong><br />
1240 </dt>
1241 <dd>
1242 Bell (Ctrl-G)
1243 </dd>
1244 <p></p>
1245 <dt><strong><a name="item_bs"><strong><code>BS</code> </strong>&gt;</a></strong><br />
1246 </dt>
1247 <dd>
1248 Backspace (Ctrl-H)
1249 </dd>
1250 <p></p>
1251 <dt><strong><a name="item_tab"><strong><code>TAB</code> </strong>&gt;</a></strong><br />
1252 </dt>
1253 <dd>
1254 Horizontal Tab (HT) (Ctrl-I)
1255 </dd>
1256 <p></p>
1257 <dt><strong><a name="item_lf"><strong><code>LF</code> </strong>&gt;</a></strong><br />
1258 </dt>
1259 <dd>
1260 Line Feed or New Line (NL) (Ctrl-J)
1261 </dd>
1262 <p></p>
1263 <dt><strong><a name="item_vt"><strong><code>VT</code> </strong>&gt;</a></strong><br />
1264 </dt>
1265 <dd>
1266 Vertical Tab (Ctrl-K) same as <strong><a href="#item_lf"><code>LF</code></a> </strong>&gt;
1267 </dd>
1268 <p></p>
1269 <dt><strong><a name="item_ff"><strong><code>FF</code> </strong>&gt;</a></strong><br />
1270 </dt>
1271 <dd>
1272 Form Feed or New Page (NP) (Ctrl-L) same as <strong><a href="#item_lf"><code>LF</code></a> </strong>&gt;
1273 </dd>
1274 <p></p>
1275 <dt><strong><a name="item_cr"><strong><code>CR</code> </strong>&gt;</a></strong><br />
1276 </dt>
1277 <dd>
1278 Carriage Return (Ctrl-M)
1279 </dd>
1280 <p></p>
1281 <dt><strong><a name="item_so"><strong><code>SO</code> </strong>&gt;</a></strong><br />
1282 </dt>
1283 <dd>
1284 Shift Out (Ctrl-N), invokes the G1 character set.
1285 Switch to Alternate Character Set
1286 </dd>
1287 <p></p>
1288 <dt><strong><a name="item_si"><strong><code>SI</code> </strong>&gt;</a></strong><br />
1289 </dt>
1290 <dd>
1291 Shift In (Ctrl-O), invokes the G0 character set (the default).
1292 Switch to Standard Character Set
1293 </dd>
1294 <p></p>
1295 <dt><strong><a name="item_spc"><strong><code>SPC</code> </strong>&gt;</a></strong><br />
1296 </dt>
1297 <dd>
1298 Space Character
1299 </dd>
1300 <p></p></dl>
1301 <p>
1302 </p>
1303 <hr />
1304 <h1><a name="escape_sequences">Escape Sequences</a></h1>
1305 <dl>
1306 <dt><strong><a name="item_esc__23_8"><strong><code>ESC # 8</code> </strong>&gt;</a></strong><br />
1307 </dt>
1308 <dd>
1309 DEC Screen Alignment Test (DECALN)
1310 </dd>
1311 <p></p>
1312 <dt><strong><a name="item_esc_7"><strong><code>ESC 7</code> </strong>&gt;</a></strong><br />
1313 </dt>
1314 <dd>
1315 Save Cursor (SC)
1316 </dd>
1317 <p></p>
1318 <dt><strong><a name="item_esc_8"><strong><code>ESC 8</code> </strong>&gt;</a></strong><br />
1319 </dt>
1320 <dd>
1321 Restore Cursor
1322 </dd>
1323 <p></p>
1324 <dt><strong><a name="item_esc__3d"><strong><code>ESC =</code> </strong>&gt;</a></strong><br />
1325 </dt>
1326 <dd>
1327 Application Keypad (SMKX). See also next sequence.
1328 </dd>
1329 <p></p>
1330 <dt><strong><a name="item_esc"><strong><code>ESC</code> </strong>&gt;&gt;</a></strong><br />
1331 </dt>
1332 <dd>
1333 Normal Keypad (RMKX)
1334 </dd>
1335 <dd>
1336 <p><strong>Note:</strong> If the numeric keypad is activated, eg, <strong>Num_Lock</strong> has been
1337 pressed, numbers or control functions are generated by the numeric keypad
1338 (see Key Codes).</p>
1339 </dd>
1340 <p></p>
1341 <dt><strong><a name="item_esc_d"><strong><code>ESC D</code> </strong>&gt;</a></strong><br />
1342 </dt>
1343 <dd>
1344 Index (IND)
1345 </dd>
1346 <p></p>
1347 <dt><strong><a name="item_esc_e"><strong><code>ESC E</code> </strong>&gt;</a></strong><br />
1348 </dt>
1349 <dd>
1350 Next Line (NEL)
1351 </dd>
1352 <p></p>
1353 <dt><strong><a name="item_esc_h"><strong><code>ESC H</code> </strong>&gt;</a></strong><br />
1354 </dt>
1355 <dd>
1356 Tab Set (HTS)
1357 </dd>
1358 <p></p>
1359 <dt><strong><a name="item_esc_m"><strong><code>ESC M</code> </strong>&gt;</a></strong><br />
1360 </dt>
1361 <dd>
1362 Reverse Index (RI)
1363 </dd>
1364 <p></p>
1365 <dt><strong><a name="item_esc_n"><strong><code>ESC N</code> </strong>&gt;</a></strong><br />
1366 </dt>
1367 <dd>
1368 Single Shift Select of G2 Character Set (SS2): affects next character
1369 only <em>unimplemented</em>
1370 </dd>
1371 <p></p>
1372 <dt><strong><a name="item_esc_o"><strong><code>ESC O</code> </strong>&gt;</a></strong><br />
1373 </dt>
1374 <dd>
1375 Single Shift Select of G3 Character Set (SS3): affects next character
1376 only <em>unimplemented</em>
1377 </dd>
1378 <p></p>
1379 <dt><strong><a name="item_esc_z"><strong><code>ESC Z</code> </strong>&gt;</a></strong><br />
1380 </dt>
1381 <dd>
1382 Obsolete form of returns: <strong><code>ESC [ ? 1 ; 2 C</code> </strong>&gt; <em>rxvt-unicode compile-time option</em>
1383 </dd>
1384 <p></p>
1385 <dt><strong><a name="item_esc_c"><strong><code>ESC c</code> </strong>&gt;</a></strong><br />
1386 </dt>
1387 <dd>
1388 Full reset (RIS)
1389 </dd>
1390 <p></p>
1391 <dt><strong><a name="item_esc_n"><strong><code>ESC n</code> </strong>&gt;</a></strong><br />
1392 </dt>
1393 <dd>
1394 Invoke the G2 Character Set (LS2)
1395 </dd>
1396 <p></p>
1397 <dt><strong><a name="item_esc_o"><strong><code>ESC o</code> </strong>&gt;</a></strong><br />
1398 </dt>
1399 <dd>
1400 Invoke the G3 Character Set (LS3)
1401 </dd>
1402 <p></p>
1403 <dt><strong><strong><code>ESC ( C</code> </strong>&gt;</strong><br />
1404 </dt>
1405 <dd>
1406 Designate G0 Character Set (ISO 2022), see below for values of <a href="#item_c"><code>C</code></a>.
1407 </dd>
1408 <p></p>
1409 <dt><strong><a name="item_esc__29_c"><strong><code>ESC ) C</code> </strong>&gt;</a></strong><br />
1410 </dt>
1411 <dd>
1412 Designate G1 Character Set (ISO 2022), see below for values of <a href="#item_c"><code>C</code></a>.
1413 </dd>
1414 <p></p>
1415 <dt><strong><a name="item_esc__2a_c"><strong><code>ESC * C</code> </strong>&gt;</a></strong><br />
1416 </dt>
1417 <dd>
1418 Designate G2 Character Set (ISO 2022), see below for values of <a href="#item_c"><code>C</code></a>.
1419 </dd>
1420 <p></p>
1421 <dt><strong><a name="item_esc__2b_c"><strong><code>ESC + C</code> </strong>&gt;</a></strong><br />
1422 </dt>
1423 <dd>
1424 Designate G3 Character Set (ISO 2022), see below for values of <a href="#item_c"><code>C</code></a>.
1425 </dd>
1426 <p></p>
1427 <dt><strong><a name="item_esc__24_c"><strong><code>ESC $ C</code> </strong>&gt;</a></strong><br />
1428 </dt>
1429 <dd>
1430 Designate Kanji Character Set
1431 </dd>
1432 <dd>
1433 <p>Where <strong><a href="#item_c"><code>C</code></a> </strong>&gt; is one of:</p>
1434 </dd>
1435 <table>
1436 <tr><td>C = 0 </td><td>DEC Special Character and Line Drawing Set</td></tr>
1437 <tr><td>C = A </td><td>United Kingdom (UK)</td></tr>
1438 <tr><td>C = B </td><td>United States (USASCII)</td></tr>
1439 <tr><td>C = <</td><td>Multinational character set unimplemented</td></tr>
1440 <tr><td>C = 5 </td><td>Finnish character set unimplemented</td></tr>
1441 <tr><td>C = C </td><td>Finnish character set unimplemented</td></tr>
1442 <tr><td>C = K </td><td>German character set unimplemented</td></tr>
1443 </table><p></p></dl>
1444 <p></p>
1445 <p>
1446 </p>
1447 <hr />
1448 <h1><a name="csi__command_sequence_introducer__sequences">CSI (Command Sequence Introducer) Sequences</a></h1>
1449 <dl>
1450 <dt><strong><a name="item_esc__5b_ps__40"><strong><code>ESC [ Ps @</code> </strong>&gt;</a></strong><br />
1451 </dt>
1452 <dd>
1453 Insert <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; (Blank) <code>Character(s)</code> [default: 1] (ICH)
1454 </dd>
1455 <p></p>
1456 <dt><strong><a name="item_esc__5b_ps_a"><strong><code>ESC [ Ps A</code> </strong>&gt;</a></strong><br />
1457 </dt>
1458 <dd>
1459 Cursor Up <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; Times [default: 1] (CUU)
1460 </dd>
1461 <p></p>
1462 <dt><strong><a name="item_esc__5b_ps_b"><strong><code>ESC [ Ps B</code> </strong>&gt;</a></strong><br />
1463 </dt>
1464 <dd>
1465 Cursor Down <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; Times [default: 1] (CUD)
1466 </dd>
1467 <p></p>
1468 <dt><strong><a name="item_esc__5b_ps_c"><strong><code>ESC [ Ps C</code> </strong>&gt;</a></strong><br />
1469 </dt>
1470 <dd>
1471 Cursor Forward <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; Times [default: 1] (CUF)
1472 </dd>
1473 <p></p>
1474 <dt><strong><a name="item_esc__5b_ps_d"><strong><code>ESC [ Ps D</code> </strong>&gt;</a></strong><br />
1475 </dt>
1476 <dd>
1477 Cursor Backward <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; Times [default: 1] (CUB)
1478 </dd>
1479 <p></p>
1480 <dt><strong><a name="item_esc__5b_ps_e"><strong><code>ESC [ Ps E</code> </strong>&gt;</a></strong><br />
1481 </dt>
1482 <dd>
1483 Cursor Down <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; Times [default: 1] and to first column
1484 </dd>
1485 <p></p>
1486 <dt><strong><a name="item_esc__5b_ps_f"><strong><code>ESC [ Ps F</code> </strong>&gt;</a></strong><br />
1487 </dt>
1488 <dd>
1489 Cursor Up <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; Times [default: 1] and to first column
1490 </dd>
1491 <p></p>
1492 <dt><strong><a name="item_esc__5b_ps_g"><strong><code>ESC [ Ps G</code> </strong>&gt;</a></strong><br />
1493 </dt>
1494 <dd>
1495 Cursor to Column <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; (HPA)
1496 </dd>
1497 <p></p>
1498 <dt><strong><a name="item_esc__5b_ps_3bps_h"><strong><code>ESC [ Ps;Ps H</code> </strong>&gt;</a></strong><br />
1499 </dt>
1500 <dd>
1501 Cursor Position [row;column] [default: 1;1] (CUP)
1502 </dd>
1503 <p></p>
1504 <dt><strong><a name="item_esc__5b_ps_i"><strong><code>ESC [ Ps I</code> </strong>&gt;</a></strong><br />
1505 </dt>
1506 <dd>
1507 Move forward <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; tab stops [default: 1]
1508 </dd>
1509 <p></p>
1510 <dt><strong><a name="item_esc__5b_ps_j"><strong><code>ESC [ Ps J</code> </strong>&gt;</a></strong><br />
1511 </dt>
1512 <dd>
1513 Erase in Display (ED)
1514 </dd>
1515 <table>
1516 <tr><td>Ps = 0</td><td>Clear Below (default)</td></tr>
1517 <tr><td>Ps = 1</td><td>Clear Above</td></tr>
1518 <tr><td>Ps = 2</td><td>Clear All</td></tr>
1519 </table><p></p>
1520 <dt><strong><a name="item_esc__5b_ps_k"><strong><code>ESC [ Ps K</code> </strong>&gt;</a></strong><br />
1521 </dt>
1522 <dd>
1523 Erase in Line (EL)
1524 </dd>
1525 <table>
1526 <tr><td>Ps = 0</td><td>Clear to Right (default)</td></tr>
1527 <tr><td>Ps = 1</td><td>Clear to Left</td></tr>
1528 <tr><td>Ps = 2</td><td>Clear All</td></tr>
1529 </table><p></p>
1530 <dt><strong><a name="item_esc__5b_ps_l"><strong><code>ESC [ Ps L</code> </strong>&gt;</a></strong><br />
1531 </dt>
1532 <dd>
1533 Insert <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; <code>Line(s)</code> [default: 1] (IL)
1534 </dd>
1535 <p></p>
1536 <dt><strong><a name="item_esc__5b_ps_m"><strong><code>ESC [ Ps M</code> </strong>&gt;</a></strong><br />
1537 </dt>
1538 <dd>
1539 Delete <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; <code>Line(s)</code> [default: 1] (DL)
1540 </dd>
1541 <p></p>
1542 <dt><strong><a name="item_esc__5b_ps_p"><strong><code>ESC [ Ps P</code> </strong>&gt;</a></strong><br />
1543 </dt>
1544 <dd>
1545 Delete <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; <code>Character(s)</code> [default: 1] (DCH)
1546 </dd>
1547 <p></p>
1548 <dt><strong><a name="item_esc__5b_ps_3bps_3bps_3bps_3bps_t"><strong><code>ESC [ Ps;Ps;Ps;Ps;Ps T</code> </strong>&gt;</a></strong><br />
1549 </dt>
1550 <dd>
1551 Initiate . <em>unimplemented</em> Parameters are
1552 [func;startx;starty;firstrow;lastrow].
1553 </dd>
1554 <p></p>
1555 <dt><strong><a name="item_esc__5b_ps_w"><strong><code>ESC [ Ps W</code> </strong>&gt;</a></strong><br />
1556 </dt>
1557 <dd>
1558 Tabulator functions
1559 </dd>
1560 <table>
1561 <tr><td>Ps = 0</td><td>Tab Set (HTS)</td></tr>
1562 <tr><td>Ps = 2</td><td>Tab Clear (TBC), Clear Current Column (default)</td></tr>
1563 <tr><td>Ps = 5</td><td>Tab Clear (TBC), Clear All</td></tr>
1564 </table><p></p>
1565 <dt><strong><a name="item_esc__5b_ps_x"><strong><code>ESC [ Ps X</code> </strong>&gt;</a></strong><br />
1566 </dt>
1567 <dd>
1568 Erase <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; <code>Character(s)</code> [default: 1] (ECH)
1569 </dd>
1570 <p></p>
1571 <dt><strong><a name="item_esc__5b_ps_z"><strong><code>ESC [ Ps Z</code> </strong>&gt;</a></strong><br />
1572 </dt>
1573 <dd>
1574 Move backward <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; [default: 1] tab stops
1575 </dd>
1576 <p></p>
1577 <dt><strong><a name="item_esc__5b_ps__27"><strong><code>ESC [ Ps '</code> </strong>&gt;</a></strong><br />
1578 </dt>
1579 <dd>
1580 See <strong><a href="#item_esc__5b_ps_g"><code>ESC [ Ps G</code></a> </strong>&gt;
1581 </dd>
1582 <p></p>
1583 <dt><strong><a name="item_esc__5b_ps_a"><strong><code>ESC [ Ps a</code> </strong>&gt;</a></strong><br />
1584 </dt>
1585 <dd>
1586 See <strong><a href="#item_esc__5b_ps_c"><code>ESC [ Ps C</code></a> </strong>&gt;
1587 </dd>
1588 <p></p>
1589 <dt><strong><a name="item_esc__5b_ps_c"><strong><code>ESC [ Ps c</code> </strong>&gt;</a></strong><br />
1590 </dt>
1591 <dd>
1592 Send Device Attributes (DA)
1593 <strong><code>Ps = 0</code> </strong>&gt; (or omitted): request attributes from terminal
1594 returns: <strong><code>ESC [ ? 1 ; 2 c</code> </strong>&gt; (``I am a VT100 with Advanced Video
1595 Option'')
1596 </dd>
1597 <p></p>
1598 <dt><strong><a name="item_esc__5b_ps_d"><strong><code>ESC [ Ps d</code> </strong>&gt;</a></strong><br />
1599 </dt>
1600 <dd>
1601 Cursor to Line <strong><a href="#item_ps"><code>Ps</code></a> </strong>&gt; (VPA)
1602 </dd>
1603 <p></p>
1604 <dt><strong><a name="item_esc__5b_ps_e"><strong><code>ESC [ Ps e</code> </strong>&gt;</a></strong><br />
1605 </dt>
1606 <dd>
1607 See <strong><a href="#item_esc__5b_ps_a"><code>ESC [ Ps A</code></a> </strong>&gt;
1608 </dd>
1609 <p></p>
1610 <dt><strong><a name="item_esc__5b_ps_3bps_f"><strong><code>ESC [ Ps;Ps f</code> </strong>&gt;</a></strong><br />
1611 </dt>
1612 <dd>
1613 Horizontal and Vertical Position [row;column] (HVP) [default: 1;1]
1614 </dd>
1615 <p></p>
1616 <dt><strong><a name="item_esc__5b_ps_g"><strong><code>ESC [ Ps g</code> </strong>&gt;</a></strong><br />
1617 </dt>
1618 <dd>
1619 Tab Clear (TBC)
1620 </dd>
1621 <table>
1622 <tr><td>Ps = 0</td><td>Clear Current Column (default)</td></tr>
1623 <tr><td>Ps = 3</td><td>Clear All (TBC)</td></tr>
1624 </table><p></p>
1625 <dt><strong><a name="item_esc__5b_pm_h"><strong><code>ESC [ Pm h</code> </strong>&gt;</a></strong><br />
1626 </dt>
1627 <dd>
1628 Set Mode (SM). See <strong><a href="#item_esc__5b_pm_l"><code>ESC [ Pm l</code></a> </strong>&gt; sequence for description of <a href="#item_pm"><code>Pm</code></a>.
1629 </dd>
1630 <p></p>
1631 <dt><strong><a name="item_esc__5b_ps_i"><strong><code>ESC [ Ps i</code> </strong>&gt;</a></strong><br />
1632 </dt>
1633 <dd>
1634 Printing. See also the <code>print-pipe</code> resource.
1635 </dd>
1636 <table>
1637 <tr><td>Ps = 0</td><td>print screen (MC0)</td></tr>
1638 <tr><td>Ps = 4</td><td>disable transparent print mode (MC4)</td></tr>
1639 <tr><td>Ps = 5</td><td>enable transparent print mode (MC5)</td></tr>
1640 </table><p></p>
1641 <dt><strong><a name="item_esc__5b_pm_l"><strong><code>ESC [ Pm l</code> </strong>&gt;</a></strong><br />
1642 </dt>
1643 <dd>
1644 Reset Mode (RM)
1645 </dd>
1646 <dl>
1647 <dt><strong><a name="item_ps__3d_4"><strong><code>Ps = 4</code> </strong>&gt;</a></strong><br />
1648 </dt>
1649 <table>
1650 <tr><td>h</td><td>Insert Mode (SMIR)</td></tr>
1651 <tr><td>l</td><td>Replace Mode (RMIR)</td></tr>
1652 </table><dt><strong><a name="item_20"><strong><code>Ps = 20</code> </strong>&gt; (partially implemented)</a></strong><br />
1653 </dt>
1654 <table>
1655 <tr><td>h</td><td>Automatic Newline (LNM)</td></tr>
1656 <tr><td>l</td><td>Normal Linefeed (LNM)</td></tr>
1657 </table></dl>
1658 <dt><strong><a name="item_esc__5b_pm_m"><strong><code>ESC [ Pm m</code> </strong>&gt;</a></strong><br />
1659 </dt>
1660 <dd>
1661 Character Attributes (SGR)
1662 </dd>
1663 <table>
1664 <tr><td>Ps = 0</td><td>Normal (default)</td></tr>
1665 <tr><td>Ps = 1 / 21</td><td>On / Off Bold (bright fg)</td></tr>
1666 <tr><td>Ps = 3 / 23</td><td>On / Off Italic</td></tr>
1667 <tr><td>Ps = 4 / 24</td><td>On / Off Underline</td></tr>
1668 <tr><td>Ps = 5 / 25</td><td>On / Off Slow Blink (bright bg)</td></tr>
1669 <tr><td>Ps = 6 / 26</td><td>On / Off Rapid Blink (bright bg)</td></tr>
1670 <tr><td>Ps = 7 / 27</td><td>On / Off Inverse</td></tr>
1671 <tr><td>Ps = 8 / 27</td><td>On / Off Invisible (NYI)</td></tr>
1672 <tr><td>Ps = 30 / 40</td><td>fg/bg Black</td></tr>
1673 <tr><td>Ps = 31 / 41</td><td>fg/bg Red</td></tr>
1674 <tr><td>Ps = 32 / 42</td><td>fg/bg Green</td></tr>
1675 <tr><td>Ps = 33 / 43</td><td>fg/bg Yellow</td></tr>
1676 <tr><td>Ps = 34 / 44</td><td>fg/bg Blue</td></tr>
1677 <tr><td>Ps = 35 / 45</td><td>fg/bg Magenta</td></tr>
1678 <tr><td>Ps = 36 / 46</td><td>fg/bg Cyan</td></tr>
1679 <tr><td>Ps = 38;5 / 48;5</td><td>set fg/bg to color #m (ISO 8613-6)</td></tr>
1680 <tr><td>Ps = 37 / 47</td><td>fg/bg White</td></tr>
1681 <tr><td>Ps = 39 / 49</td><td>fg/bg Default</td></tr>
1682 <tr><td>Ps = 90 / 100</td><td>fg/bg Bright Black</td></tr>
1683 <tr><td>Ps = 91 / 101</td><td>fg/bg Bright Red</td></tr>
1684 <tr><td>Ps = 92 / 102</td><td>fg/bg Bright Green</td></tr>
1685 <tr><td>Ps = 93 / 103</td><td>fg/bg Bright Yellow</td></tr>
1686 <tr><td>Ps = 94 / 104</td><td>fg/bg Bright Blue</td></tr>
1687 <tr><td>Ps = 95 / 105</td><td>fg/bg Bright Magenta</td></tr>
1688 <tr><td>Ps = 96 / 106</td><td>fg/bg Bright Cyan</td></tr>
1689 <tr><td>Ps = 97 / 107</td><td>fg/bg Bright White</td></tr>
1690 <tr><td>Ps = 99 / 109</td><td>fg/bg Bright Default</td></tr>
1691 </table><p></p>
1692 <dt><strong><a name="item_esc__5b_ps_n"><strong><code>ESC [ Ps n</code> </strong>&gt;</a></strong><br />
1693 </dt>
1694 <dd>
1695 Device Status Report (DSR)
1696 </dd>
1697 <table>
1698 <tr><td>Ps = 5</td><td>Status Report ESC [ 0 n (``OK'')</td></tr>
1699 <tr><td>Ps = 6</td><td>Report Cursor Position (CPR) [row;column] as ESC [ r ; c R</td></tr>
1700 <tr><td>Ps = 7</td><td>Request Display Name</td></tr>
1701 <tr><td>Ps = 8</td><td>Request Version Number (place in window title)</td></tr>
1702 </table><p></p>
1703 <dt><strong><a name="item_esc__5b_ps_3bps_r"><strong><code>ESC [ Ps;Ps r</code> </strong>&gt;</a></strong><br />
1704 </dt>
1705 <dd>
1706 Set Scrolling Region [top;bottom]
1707 [default: full size of window] (CSR)
1708 </dd>
1709 <p></p>
1710 <dt><strong><a name="item_esc__5b_s"><strong><code>ESC [ s</code> </strong>&gt;</a></strong><br />
1711 </dt>
1712 <dd>
1713 Save Cursor (SC)
1714 </dd>
1715 <p></p>
1716 <dt><strong><a name="item_esc__5b_ps_3bpt_t"><strong><code>ESC [ Ps;Pt t</code> </strong>&gt;</a></strong><br />
1717 </dt>
1718 <dd>
1719 Window Operations
1720 </dd>
1721 <table>
1722 <tr><td>Ps = 1</td><td>Deiconify (map) window</td></tr>
1723 <tr><td>Ps = 2</td><td>Iconify window</td></tr>
1724 <tr><td>Ps = 3</td><td>ESC [ 3 ; X ; Y t Move window to (X|Y)</td></tr>
1725 <tr><td>Ps = 4</td><td>ESC [ 4 ; H ; W t Resize to WxH pixels</td></tr>
1726 <tr><td>Ps = 5</td><td>Raise window</td></tr>
1727 <tr><td>Ps = 6</td><td>Lower window</td></tr>
1728 <tr><td>Ps = 7</td><td>Refresh screen once</td></tr>
1729 <tr><td>Ps = 8</td><td>ESC [ 8 ; R ; C t Resize to R rows and C columns</td></tr>
1730 <tr><td>Ps = 11</td><td>Report window state (responds with Ps = 1 or Ps = 2)</td></tr>
1731 <tr><td>Ps = 13</td><td>Report window position (responds with Ps = 3)</td></tr>
1732 <tr><td>Ps = 14</td><td>Report window pixel size (responds with Ps = 4)</td></tr>
1733 <tr><td>Ps = 18</td><td>Report window text size (responds with Ps = 7)</td></tr>
1734 <tr><td>Ps = 19</td><td>Currently the same as Ps = 18, but responds with Ps = 9</td></tr>
1735 <tr><td>Ps = 20</td><td>Reports icon label (ESC ] L NAME \234)</td></tr>
1736 <tr><td>Ps = 21</td><td>Reports window title (ESC ] l NAME \234)</td></tr>
1737 <tr><td>Ps = 24..</td><td>Set window height to Ps rows</td></tr>
1738 </table><p></p>
1739 <dt><strong><a name="item_esc__5b_u"><strong><code>ESC [ u</code> </strong>&gt;</a></strong><br />
1740 </dt>
1741 <dd>
1742 Restore Cursor
1743 </dd>
1744 <p></p>
1745 <dt><strong><a name="item_esc__5b_ps_x"><strong><code>ESC [ Ps x</code> </strong>&gt;</a></strong><br />
1746 </dt>
1747 <dd>
1748 Request Terminal Parameters (DECREQTPARM)
1749 </dd>
1750 <p></p></dl>
1751 <p></p>
1752 <p>
1753 </p>
1754 <hr />
1755 <h1><a name="dec_private_modes">DEC Private Modes</a></h1>
1756 <dl>
1757 <dt><strong><a name="item_esc__5b__3f_pm_h"><strong><code>ESC [ ? Pm h</code> </strong>&gt;</a></strong><br />
1758 </dt>
1759 <dd>
1760 DEC Private Mode Set (DECSET)
1761 </dd>
1762 <p></p>
1763 <dt><strong><a name="item_esc__5b__3f_pm_l"><strong><code>ESC [ ? Pm l</code> </strong>&gt;</a></strong><br />
1764 </dt>
1765 <dd>
1766 DEC Private Mode Reset (DECRST)
1767 </dd>
1768 <p></p>
1769 <dt><strong><a name="item_esc__5b__3f_pm_r"><strong><code>ESC [ ? Pm r</code> </strong>&gt;</a></strong><br />
1770 </dt>
1771 <dd>
1772 Restore previously saved DEC Private Mode Values.
1773 </dd>
1774 <p></p>
1775 <dt><strong><a name="item_esc__5b__3f_pm_s"><strong><code>ESC [ ? Pm s</code> </strong>&gt;</a></strong><br />
1776 </dt>
1777 <dd>
1778 Save DEC Private Mode Values.
1779 </dd>
1780 <p></p>
1781 <dt><strong><a name="item_esc__5b__3f_pm_t"><strong><code>ESC [ ? Pm t</code> </strong>&gt;</a></strong><br />
1782 </dt>
1783 <dd>
1784 Toggle DEC Private Mode Values (rxvt extension). <em>where</em>
1785 </dd>
1786 <dl>
1787 <dt><strong><a name="item_1"><strong><code>Ps = 1</code> </strong>&gt; (DECCKM)</a></strong><br />
1788 </dt>
1789 <table>
1790 <tr><td>h</td><td>Application Cursor Keys</td></tr>
1791 <tr><td>l</td><td>Normal Cursor Keys</td></tr>
1792 </table><dt><strong><a name="item_2"><strong><code>Ps = 2</code> </strong>&gt; (ANSI/VT52 mode)</a></strong><br />
1793 </dt>
1794 <table>
1795 <tr><td>h</td><td>Enter VT52 mode</td></tr>
1796 <tr><td>l</td><td>Enter VT52 mode</td></tr>
1797 </table><dt><strong><a name="item_ps__3d_3"><strong><code>Ps = 3</code> </strong>&gt;</a></strong><br />
1798 </dt>
1799 <table>
1800 <tr><td>h</td><td>132 Column Mode (DECCOLM)</td></tr>
1801 <tr><td>l</td><td>80 Column Mode (DECCOLM)</td></tr>
1802 </table><dt><strong><strong><code>Ps = 4</code> </strong>&gt;</strong><br />
1803 </dt>
1804 <table>
1805 <tr><td>h</td><td>Smooth (Slow) Scroll (DECSCLM)</td></tr>
1806 <tr><td>l</td><td>Jump (Fast) Scroll (DECSCLM)</td></tr>
1807 </table><dt><strong><a name="item_ps__3d_5"><strong><code>Ps = 5</code> </strong>&gt;</a></strong><br />
1808 </dt>
1809 <table>
1810 <tr><td>h</td><td>Reverse Video (DECSCNM)</td></tr>
1811 <tr><td>l</td><td>Normal Video (DECSCNM)</td></tr>
1812 </table><dt><strong><a name="item_ps__3d_6"><strong><code>Ps = 6</code> </strong>&gt;</a></strong><br />
1813 </dt>
1814 <table>
1815 <tr><td>h</td><td>Origin Mode (DECOM)</td></tr>
1816 <tr><td>l</td><td>Normal Cursor Mode (DECOM)</td></tr>
1817 </table><dt><strong><a name="item_ps__3d_7"><strong><code>Ps = 7</code> </strong>&gt;</a></strong><br />
1818 </dt>
1819 <table>
1820 <tr><td>h</td><td>Wraparound Mode (DECAWM)</td></tr>
1821 <tr><td>l</td><td>No Wraparound Mode (DECAWM)</td></tr>
1822 </table><dt><strong><a name="item_ps__3d_8_unimplemented"><strong><code>Ps = 8</code> </strong>&gt; <em>unimplemented</em></a></strong><br />
1823 </dt>
1824 <table>
1825 <tr><td>h</td><td>Auto-repeat Keys (DECARM)</td></tr>
1826 <tr><td>l</td><td>No Auto-repeat Keys (DECARM)</td></tr>
1827 </table><dt><strong><a name="item_ps__3d_9_x10_xterm"><strong><code>Ps = 9</code> </strong>&gt; X10 XTerm</a></strong><br />
1828 </dt>
1829 <table>
1830 <tr><td>h</td><td>Send Mouse X & Y on button press.</td></tr>
1831 <tr><td>l</td><td>No mouse reporting.</td></tr>
1832 </table><dt><strong><a name="item_ps__3d_25"><strong><code>Ps = 25</code> </strong>&gt;</a></strong><br />
1833 </dt>
1834 <table>
1835 <tr><td>h</td><td>Visible cursor {cnorm/cvvis}</td></tr>
1836 <tr><td>l</td><td>Invisible cursor {civis}</td></tr>
1837 </table><dt><strong><a name="item_ps__3d_30"><strong><code>Ps = 30</code> </strong>&gt;</a></strong><br />
1838 </dt>
1839 <table>
1840 <tr><td>h</td><td>scrollBar visisble</td></tr>
1841 <tr><td>l</td><td>scrollBar invisisble</td></tr>
1842 </table><dt><strong><a name="item_35"><strong><code>Ps = 35</code> </strong>&gt; (<strong>rxvt</strong>)</a></strong><br />
1843 </dt>
1844 <table>
1845 <tr><td>h</td><td>Allow XTerm Shift+key sequences</td></tr>
1846 <tr><td>l</td><td>Disallow XTerm Shift+key sequences</td></tr>
1847 </table><dt><strong><a name="item_ps__3d_38_unimplemented"><strong><code>Ps = 38</code> </strong>&gt; <em>unimplemented</em></a></strong><br />
1848 </dt>
1849 <dd>
1850 Enter Tektronix Mode (DECTEK)
1851 </dd>
1852 <p></p>
1853 <dt><strong><a name="item_ps__3d_40"><strong><code>Ps = 40</code> </strong>&gt;</a></strong><br />
1854 </dt>
1855 <table>
1856 <tr><td>h</td><td>Allow 80/132 Mode</td></tr>
1857 <tr><td>l</td><td>Disallow 80/132 Mode</td></tr>
1858 </table><dt><strong><a name="item_ps__3d_44_unimplemented"><strong><code>Ps = 44</code> </strong>&gt; <em>unimplemented</em></a></strong><br />
1859 </dt>
1860 <table>
1861 <tr><td>h</td><td>Turn On Margin Bell</td></tr>
1862 <tr><td>l</td><td>Turn Off Margin Bell</td></tr>
1863 </table><dt><strong><a name="item_ps__3d_45_unimplemented"><strong><code>Ps = 45</code> </strong>&gt; <em>unimplemented</em></a></strong><br />
1864 </dt>
1865 <table>
1866 <tr><td>h</td><td>Reverse-wraparound Mode</td></tr>
1867 <tr><td>l</td><td>No Reverse-wraparound Mode</td></tr>
1868 </table><dt><strong><a name="item_ps__3d_46_unimplemented"><strong><code>Ps = 46</code> </strong>&gt; <em>unimplemented</em></a></strong><br />
1869 </dt>
1870 <dt><strong><a name="item_ps__3d_47"><strong><code>Ps = 47</code> </strong>&gt;</a></strong><br />
1871 </dt>
1872 <table>
1873 <tr><td>h</td><td>Use Alternate Screen Buffer</td></tr>
1874 <tr><td>l</td><td>Use Normal Screen Buffer</td></tr>
1875 </table><p></p>
1876 <dt><strong><a name="item_ps__3d_66"><strong><code>Ps = 66</code> </strong>&gt;</a></strong><br />
1877 </dt>
1878 <table>
1879 <tr><td>h</td><td>Application Keypad (DECPAM) == ESC =</td></tr>
1880 <tr><td>l</td><td>Normal Keypad (DECPNM) == ESC ></td></tr>
1881 </table><dt><strong><a name="item_ps__3d_67"><strong><code>Ps = 67</code> </strong>&gt;</a></strong><br />
1882 </dt>
1883 <table>
1884 <tr><td>h</td><td>Backspace key sends BS (DECBKM)</td></tr>
1885 <tr><td>l</td><td>Backspace key sends DEL</td></tr>
1886 </table><dt><strong><a name="item_1000"><strong><code>Ps = 1000</code> </strong>&gt; (X11 XTerm)</a></strong><br />
1887 </dt>
1888 <table>
1889 <tr><td>h</td><td>Send Mouse X & Y on button press and release.</td></tr>
1890 <tr><td>l</td><td>No mouse reporting.</td></tr>
1891 </table><dt><strong><a name="item_1001"><strong><code>Ps = 1001</code> </strong>&gt; (X11 XTerm) <em>unimplemented</em></a></strong><br />
1892 </dt>
1893 <table>
1894 <tr><td>h</td><td>Use Hilite Mouse Tracking.</td></tr>
1895 <tr><td>l</td><td>No mouse reporting.</td></tr>
1896 </table><dt><strong><a name="item_1010"><strong><code>Ps = 1010</code> </strong>&gt; (<strong>rxvt</strong>)</a></strong><br />
1897 </dt>
1898 <table>
1899 <tr><td>h</td><td>Don't scroll to bottom on TTY output</td></tr>
1900 <tr><td>l</td><td>Scroll to bottom on TTY output</td></tr>
1901 </table><dt><strong><a name="item_1011"><strong><code>Ps = 1011</code> </strong>&gt; (<strong>rxvt</strong>)</a></strong><br />
1902 </dt>
1903 <table>
1904 <tr><td>h</td><td>Scroll to bottom when a key is pressed</td></tr>
1905 <tr><td>l</td><td>Don't scroll to bottom when a key is pressed</td></tr>
1906 </table><dt><strong><a name="item_1021"><strong><code>Ps = 1021</code> </strong>&gt; (<strong>rxvt</strong>)</a></strong><br />
1907 </dt>
1908 <table>
1909 <tr><td>h</td><td>Bold/italic implies high intensity (see option -is)</td></tr>
1910 <tr><td>l</td><td>Font styles have no effect on intensity (Compile styles)</td></tr>
1911 </table><dt><strong><a name="item_ps__3d_1047"><strong><code>Ps = 1047</code> </strong>&gt;</a></strong><br />
1912 </dt>
1913 <table>
1914 <tr><td>h</td><td>Use Alternate Screen Buffer</td></tr>
1915 <tr><td>l</td><td>Use Normal Screen Buffer - clear Alternate Screen Buffer if returning from it</td></tr>
1916 </table><dt><strong><a name="item_ps__3d_1048"><strong><code>Ps = 1048</code> </strong>&gt;</a></strong><br />
1917 </dt>
1918 <table>
1919 <tr><td>h</td><td>Save cursor position</td></tr>
1920 <tr><td>l</td><td>Restore cursor position</td></tr>
1921 </table><dt><strong><a name="item_ps__3d_1049"><strong><code>Ps = 1049</code> </strong>&gt;</a></strong><br />
1922 </dt>
1923 <table>
1924 <tr><td>h</td><td>Use Alternate Screen Buffer - clear Alternate Screen Buffer if switching to it</td></tr>
1925 <tr><td>l</td><td>Use Normal Screen Buffer</td></tr>
1926 </table></dl>
1927 </dl>
1928 <p></p>
1929 <p>
1930 </p>
1931 <hr />
1932 <h1><a name="xterm_operating_system_commands">XTerm Operating System Commands</a></h1>
1933 <dl>
1934 <dt><strong><a name="item_esc__5d_ps_3bpt_st"><strong><code>ESC ] Ps;Pt ST</code> </strong>&gt;</a></strong><br />
1935 </dt>
1936 <dd>
1937 Set XTerm Parameters. 8-bit ST: 0x9c, 7-bit ST sequence: ESC \ (0x1b,
1938 0x5c), backwards compatible terminator BEL (0x07) is also accepted. any
1939 <strong>octet</strong> can be escaped by prefixing it with SYN (0x16, ^V).
1940 </dd>
1941 <table>
1942 <tr><td>Ps = 0</td><td>Change Icon Name and Window Title to Pt</td></tr>
1943 <tr><td>Ps = 1</td><td>Change Icon Name to Pt</td></tr>
1944 <tr><td>Ps = 2</td><td>Change Window Title to Pt</td></tr>
1945 <tr><td>Ps = 3</td><td>If Pt starts with a ?, query the (STRING) property of the window and return it. If Pt contains a =, set the named property to the given value, else delete the specified property.</td></tr>
1946 <tr><td>Ps = 4</td><td>Pt is a semi-colon separated sequence of one or more semi-colon separated number/name pairs, where number is an index to a colour and name is the name of a colour. Each pair causes the numbered colour to be changed to name. Numbers 0-7 corresponds to low-intensity (normal) colours and 8-15 corresponds to high-intensity colours. 0=black, 1=red, 2=green, 3=yellow, 4=blue, 5=magenta, 6=cyan, 7=white</td></tr>
1947 <tr><td>Ps = 10</td><td>Change colour of text foreground to Pt (NB: may change in future)</td></tr>
1948 <tr><td>Ps = 11</td><td>Change colour of text background to Pt (NB: may change in future)</td></tr>
1949 <tr><td>Ps = 12</td><td>Change colour of text cursor foreground to Pt</td></tr>
1950 <tr><td>Ps = 13</td><td>Change colour of mouse foreground to Pt</td></tr>
1951 <tr><td>Ps = 17</td><td>Change colour of highlight characters to Pt</td></tr>
1952 <tr><td>Ps = 18</td><td>Change colour of bold characters to Pt [deprecated, see 706]</td></tr>
1953 <tr><td>Ps = 19</td><td>Change colour of underlined characters to Pt [deprecated, see 707]</td></tr>
1954 <tr><td>Ps = 20</td><td>Change default background to Pt</td></tr>
1955 <tr><td>Ps = 39</td><td>Change default foreground colour to Pt.</td></tr>
1956 <tr><td>Ps = 46</td><td>Change Log File to Pt unimplemented</td></tr>
1957 <tr><td>Ps = 49</td><td>Change default background colour to Pt.</td></tr>
1958 <tr><td>Ps = 50</td><td>Set fontset to Pt, with the following special values of Pt (rxvt) #+n change up n #-n change down n if n is missing of 0, a value of 1 is used empty change to font0 n change to font n</td></tr>
1959 <tr><td>Ps = 55</td><td>Log all scrollback buffer and all of screen to Pt</td></tr>
1960 <tr><td>Ps = 701</td><td>Change current locale to Pt, or, if Pt is ?, return the current locale (Compile frills).</td></tr>
1961 <tr><td>Ps = 704</td><td>Change colour of italic characters to Pt</td></tr>
1962 <tr><td>Ps = 705</td><td>Change background pixmap tint colour to Pt (Compile transparency).</td></tr>
1963 <tr><td>Ps = 706</td><td>Change colour of bold characters to Pt</td></tr>
1964 <tr><td>Ps = 707</td><td>Change colour of underlined characters to Pt</td></tr>
1965 <tr><td>Ps = 710</td><td>Set normal fontset to Pt. Same as Ps = 50.</td></tr>
1966 <tr><td>Ps = 711</td><td>Set bold fontset to Pt. Similar to Ps = 50 (Compile styles).</td></tr>
1967 <tr><td>Ps = 712</td><td>Set italic fontset to Pt. Similar to Ps = 50 (Compile styles).</td></tr>
1968 <tr><td>Ps = 713</td><td>Set bold-italic fontset to Pt. Similar to Ps = 50 (Compile styles).</td></tr>
1969 <tr><td>Ps = 720</td><td>Move viewing window up by Pt lines, or clear scrollback buffer if Pt = 0 (Compile frills).</td></tr>
1970 <tr><td>Ps = 721</td><td>Move viewing window down by Pt lines, or clear scrollback buffer if Pt = 0 (Compile frills).</td></tr>
1971 <tr><td>Ps = 777</td><td>Call the perl extension with the given string, which should be of the form extension:parameters (Compile perl).</td></tr>
1972 </table><p></p></dl>
1973 <p></p>
1974 <p>
1975 </p>
1976 <hr />
1977 <h1><a name="xpm">XPM</a></h1>
1978 <p>For the XPM XTerm escape sequence <strong><code>ESC ] 20 ; Pt ST</code> </strong>&gt; then value
1979 of <strong><a href="#item_pt"><code>Pt</code></a> </strong>&gt; can be the name of the background pixmap followed by a
1980 sequence of scaling/positioning commands separated by semi-colons. The
1981 scaling/positioning commands are as follows:</p>
1982 <dl>
1983 <dt><strong><a name="item_query_scale_2fposition">query scale/position</a></strong><br />
1984 </dt>
1985 <dd>
1986 <strong>?</strong>
1987 </dd>
1988 <p></p>
1989 <dt><strong><a name="item_change_scale_and_position">change scale and position</a></strong><br />
1990 </dt>
1991 <dd>
1992 <strong>WxH+X+Y</strong>
1993 </dd>
1994 <dd>
1995 <p><strong>WxH+X</strong> (== <strong>WxH+X+X</strong>)</p>
1996 </dd>
1997 <dd>
1998 <p><strong>WxH</strong> (same as <strong>WxH+50+50</strong>)</p>
1999 </dd>
2000 <dd>
2001 <p><strong>W+X+Y</strong> (same as <strong>WxW+X+Y</strong>)</p>
2002 </dd>
2003 <dd>
2004 <p><strong>W+X</strong> (same as <strong>WxW+X+X</strong>)</p>
2005 </dd>
2006 <dd>
2007 <p><strong>W</strong> (same as <strong>WxW+50+50</strong>)</p>
2008 </dd>
2009 <p></p>
2010 <dt><strong><a name="item_position">change position (absolute)</a></strong><br />
2011 </dt>
2012 <dd>
2013 <strong>=+X+Y</strong>
2014 </dd>
2015 <dd>
2016 <p><strong>=+X</strong> (same as <strong>=+X+Y</strong>)</p>
2017 </dd>
2018 <p></p>
2019 <dt><strong>change position (relative)</strong><br />
2020 </dt>
2021 <dd>
2022 <strong>+X+Y</strong>
2023 </dd>
2024 <dd>
2025 <p><strong>+X</strong> (same as <strong>+X+Y</strong>)</p>
2026 </dd>
2027 <p></p>
2028 <dt><strong><a name="item_rescale">rescale (relative)</a></strong><br />
2029 </dt>
2030 <dd>
2031 <strong>Wx0</strong> -&gt; <strong>W *= (W/100)</strong>
2032 </dd>
2033 <dd>
2034 <p><strong>0xH</strong> -&gt; <strong>H *= (H/100)</strong></p>
2035 </dd>
2036 <p></p></dl>
2037 <p>For example:</p>
2038 <dl>
2039 <dt><strong><a name="item__5ce_5d20_3bfunky_5ca"><strong>\E]20;funky\a</strong></a></strong><br />
2040 </dt>
2041 <dd>
2042 load <strong>funky.xpm</strong> as a tiled image
2043 </dd>
2044 <p></p>
2045 <dt><strong><a name="item__5ce_5d20_3bmona_3b100_5ca"><strong>\E]20;mona;100\a</strong></a></strong><br />
2046 </dt>
2047 <dd>
2048 load <strong>mona.xpm</strong> with a scaling of 100%
2049 </dd>
2050 <p></p>
2051 <dt><strong><a name="item__5ce_5d20_3b_3b200_3b_3f_5ca"><strong>\E]20;;200;?\a</strong></a></strong><br />
2052 </dt>
2053 <dd>
2054 rescale the current pixmap to 200% and display the image geometry in
2055 the title
2056 </dd>
2057 <p></p></dl>
2058 <p>
2059 </p>
2060 <hr />
2061 <h1><a name="mouse_reporting">Mouse Reporting</a></h1>
2062 <dl>
2063 <dt><strong><a name="item_esc__5b_m__3cb_3e__3cx_3e__3cy_3e"><strong><code>ESC [ M &lt;b&gt; &lt;x&gt; &lt;y&gt;</code> </strong>&gt;</a></strong><br />
2064 </dt>
2065 <dd>
2066 report mouse position
2067 </dd>
2068 <p></p></dl>
2069 <p>The lower 2 bits of <strong><code>&lt;b&gt;</code> </strong>&gt; indicate the button:</p>
2070 <dl>
2071 <dt><strong><a name="item_button__3d__28_3cb_3e__2d_space_29__26_3">Button = <strong><code>(&lt;b&gt; - SPACE) &amp; 3</code> </strong>&gt;</a></strong><br />
2072 </dt>
2073 <table>
2074 <tr><td>0</td><td>Button1 pressed</td></tr>
2075 <tr><td>1</td><td>Button2 pressed</td></tr>
2076 <tr><td>2</td><td>Button3 pressed</td></tr>
2077 <tr><td>3</td><td>button released (X11 mouse report)</td></tr>
2078 </table></dl>
2079 <p>The upper bits of <strong><code>&lt;b&gt;</code> </strong>&gt; indicate the modifiers when the
2080 button was pressed and are added together (X11 mouse report only):</p>
2081 <dl>
2082 <dt><strong><a name="item_state__3d__28_3cb_3e__2d_space_29__26_60">State = <strong><code>(&lt;b&gt; - SPACE) &amp; 60</code> </strong>&gt;</a></strong><br />
2083 </dt>
2084 <table>
2085 <tr><td>4</td><td>Shift</td></tr>
2086 <tr><td>8</td><td>Meta</td></tr>
2087 <tr><td>16</td><td>Control</td></tr>
2088 <tr><td>32</td><td>Double Click (Rxvt extension)</td></tr>
2089 </table><p>Col = <strong><code>&lt;x&gt; - SPACE</code> </strong>&gt;</p>
2090 <p>Row = <strong><code>&lt;y&gt; - SPACE</code> </strong>&gt;</p>
2091 </dl>
2092 <p>
2093 </p>
2094 <hr />
2095 <h1><a name="key_codes">Key Codes</a></h1>
2096 <p>Note: <strong>Shift</strong> + <strong>F1</strong>-<strong>F10</strong> generates <strong>F11</strong>-<strong>F20</strong></p>
2097 <p>For the keypad, use <strong>Shift</strong> to temporarily override Application-Keypad
2098 setting use <strong>Num_Lock</strong> to toggle Application-Keypad setting if
2099 <strong>Num_Lock</strong> is off, toggle Application-Keypad setting. Also note that
2100 values of <strong>Home</strong>, <strong>End</strong>, <strong>Delete</strong> may have been compiled differently on
2101 your system.</p>
2102 <table>
2103 <tr><td></td><td>Normal</td><td>Shift</td><td>Control</td><td>Ctrl+Shift</td></tr>
2104 <tr><td>Tab</td><td>^I</td><td>ESC [ Z</td><td>^I</td><td>ESC [ Z</td></tr>
2105 <tr><td>BackSpace</td><td>^H</td><td>^?</td><td>^?</td><td>^?</td></tr>
2106 <tr><td>Find</td><td>ESC [ 1 ~</td><td>ESC [ 1 $</td><td>ESC [ 1 ^</td><td>ESC [ 1 @</td></tr>
2107 <tr><td>Insert</td><td>ESC [ 2 ~</td><td>paste</td><td>ESC [ 2 ^</td><td>ESC [ 2 @</td></tr>
2108 <tr><td>Execute</td><td>ESC [ 3 ~</td><td>ESC [ 3 $</td><td>ESC [ 3 ^</td><td>ESC [ 3 @</td></tr>
2109 <tr><td>Select</td><td>ESC [ 4 ~</td><td>ESC [ 4 $</td><td>ESC [ 4 ^</td><td>ESC [ 4 @</td></tr>
2110 <tr><td>Prior</td><td>ESC [ 5 ~</td><td>scroll-up</td><td>ESC [ 5 ^</td><td>ESC [ 5 @</td></tr>
2111 <tr><td>Next</td><td>ESC [ 6 ~</td><td>scroll-down</td><td>ESC [ 6 ^</td><td>ESC [ 6 @</td></tr>
2112 <tr><td>Home</td><td>ESC [ 7 ~</td><td>ESC [ 7 $</td><td>ESC [ 7 ^</td><td>ESC [ 7 @</td></tr>
2113 <tr><td>End</td><td>ESC [ 8 ~</td><td>ESC [ 8 $</td><td>ESC [ 8 ^</td><td>ESC [ 8 @</td></tr>
2114 <tr><td>Delete</td><td>ESC [ 3 ~</td><td>ESC [ 3 $</td><td>ESC [ 3 ^</td><td>ESC [ 3 @</td></tr>
2115 <tr><td>F1</td><td>ESC [ 11 ~</td><td>ESC [ 23 ~</td><td>ESC [ 11 ^</td><td>ESC [ 23 ^</td></tr>
2116 <tr><td>F2</td><td>ESC [ 12 ~</td><td>ESC [ 24 ~</td><td>ESC [ 12 ^</td><td>ESC [ 24 ^</td></tr>
2117 <tr><td>F3</td><td>ESC [ 13 ~</td><td>ESC [ 25 ~</td><td>ESC [ 13 ^</td><td>ESC [ 25 ^</td></tr>
2118 <tr><td>F4</td><td>ESC [ 14 ~</td><td>ESC [ 26 ~</td><td>ESC [ 14 ^</td><td>ESC [ 26 ^</td></tr>
2119 <tr><td>F5</td><td>ESC [ 15 ~</td><td>ESC [ 28 ~</td><td>ESC [ 15 ^</td><td>ESC [ 28 ^</td></tr>
2120 <tr><td>F6</td><td>ESC [ 17 ~</td><td>ESC [ 29 ~</td><td>ESC [ 17 ^</td><td>ESC [ 29 ^</td></tr>
2121 <tr><td>F7</td><td>ESC [ 18 ~</td><td>ESC [ 31 ~</td><td>ESC [ 18 ^</td><td>ESC [ 31 ^</td></tr>
2122 <tr><td>F8</td><td>ESC [ 19 ~</td><td>ESC [ 32 ~</td><td>ESC [ 19 ^</td><td>ESC [ 32 ^</td></tr>
2123 <tr><td>F9</td><td>ESC [ 20 ~</td><td>ESC [ 33 ~</td><td>ESC [ 20 ^</td><td>ESC [ 33 ^</td></tr>
2124 <tr><td>F10</td><td>ESC [ 21 ~</td><td>ESC [ 34 ~</td><td>ESC [ 21 ^</td><td>ESC [ 34 ^</td></tr>
2125 <tr><td>F11</td><td>ESC [ 23 ~</td><td>ESC [ 23 $</td><td>ESC [ 23 ^</td><td>ESC [ 23 @</td></tr>
2126 <tr><td>F12</td><td>ESC [ 24 ~</td><td>ESC [ 24 $</td><td>ESC [ 24 ^</td><td>ESC [ 24 @</td></tr>
2127 <tr><td>F13</td><td>ESC [ 25 ~</td><td>ESC [ 25 $</td><td>ESC [ 25 ^</td><td>ESC [ 25 @</td></tr>
2128 <tr><td>F14</td><td>ESC [ 26 ~</td><td>ESC [ 26 $</td><td>ESC [ 26 ^</td><td>ESC [ 26 @</td></tr>
2129 <tr><td>F15 (Help)</td><td>ESC [ 28 ~</td><td>ESC [ 28 $</td><td>ESC [ 28 ^</td><td>ESC [ 28 @</td></tr>
2130 <tr><td>F16 (Menu)</td><td>ESC [ 29 ~</td><td>ESC [ 29 $</td><td>ESC [ 29 ^</td><td>ESC [ 29 @</td></tr>
2131 <tr><td>F17</td><td>ESC [ 31 ~</td><td>ESC [ 31 $</td><td>ESC [ 31 ^</td><td>ESC [ 31 @</td></tr>
2132 <tr><td>F18</td><td>ESC [ 32 ~</td><td>ESC [ 32 $</td><td>ESC [ 32 ^</td><td>ESC [ 32 @</td></tr>
2133 <tr><td>F19</td><td>ESC [ 33 ~</td><td>ESC [ 33 $</td><td>ESC [ 33 ^</td><td>ESC [ 33 @</td></tr>
2134 <tr><td>F20</td><td>ESC [ 34 ~</td><td>ESC [ 34 $</td><td>ESC [ 34 ^</td><td>ESC [ 34 @</td></tr>
2135 <tr><td></td><td></td><td></td><td></td><td>Application</td></tr>
2136 <tr><td>Up</td><td>ESC [ A</td><td>ESC [ a</td><td>ESC O a</td><td>ESC O A</td></tr>
2137 <tr><td>Down</td><td>ESC [ B</td><td>ESC [ b</td><td>ESC O b</td><td>ESC O B</td></tr>
2138 <tr><td>Right</td><td>ESC [ C</td><td>ESC [ c</td><td>ESC O c</td><td>ESC O C</td></tr>
2139 <tr><td>Left</td><td>ESC [ D</td><td>ESC [ d</td><td>ESC O d</td><td>ESC O D</td></tr>
2140 <tr><td>KP_Enter</td><td>^M</td><td></td><td></td><td>ESC O M</td></tr>
2141 <tr><td>KP_F1</td><td>ESC O P</td><td></td><td></td><td>ESC O P</td></tr>
2142 <tr><td>KP_F2</td><td>ESC O Q</td><td></td><td></td><td>ESC O Q</td></tr>
2143 <tr><td>KP_F3</td><td>ESC O R</td><td></td><td></td><td>ESC O R</td></tr>
2144 <tr><td>KP_F4</td><td>ESC O S</td><td></td><td></td><td>ESC O S</td></tr>
2145 <tr><td>XK_KP_Multiply</td><td>*</td><td></td><td></td><td>ESC O j</td></tr>
2146 <tr><td>XK_KP_Add</td><td>+</td><td></td><td></td><td>ESC O k</td></tr>
2147 <tr><td>XK_KP_Separator</td><td>,</td><td></td><td></td><td>ESC O l</td></tr>
2148 <tr><td>XK_KP_Subtract</td><td>-</td><td></td><td></td><td>ESC O m</td></tr>
2149 <tr><td>XK_KP_Decimal</td><td>.</td><td></td><td></td><td>ESC O n</td></tr>
2150 <tr><td>XK_KP_Divide</td><td>/</td><td></td><td></td><td>ESC O o</td></tr>
2151 <tr><td>XK_KP_0</td><td>0</td><td></td><td></td><td>ESC O p</td></tr>
2152 <tr><td>XK_KP_1</td><td>1</td><td></td><td></td><td>ESC O q</td></tr>
2153 <tr><td>XK_KP_2</td><td>2</td><td></td><td></td><td>ESC O r</td></tr>
2154 <tr><td>XK_KP_3</td><td>3</td><td></td><td></td><td>ESC O s</td></tr>
2155 <tr><td>XK_KP_4</td><td>4</td><td></td><td></td><td>ESC O t</td></tr>
2156 <tr><td>XK_KP_5</td><td>5</td><td></td><td></td><td>ESC O u</td></tr>
2157 <tr><td>XK_KP_6</td><td>6</td><td></td><td></td><td>ESC O v</td></tr>
2158 <tr><td>XK_KP_7</td><td>7</td><td></td><td></td><td>ESC O w</td></tr>
2159 <tr><td>XK_KP_8</td><td>8</td><td></td><td></td><td>ESC O x</td></tr>
2160 <tr><td>XK_KP_9</td><td>9</td><td></td><td></td><td>ESC O y</td></tr>
2161 </table><p>
2162 </p>
2163 <hr />
2164 <h1><a name="configure_options">CONFIGURE OPTIONS</a></h1>
2165 <p>General hint: if you get compile errors, then likely your configuration
2166 hasn't been tested well. Either try with <a href="#item__2d_2denable_2deverything"><code>--enable-everything</code></a> or use
2167 the <em>./reconf</em> script as a base for experiments. <em>./reconf</em> is used by
2168 myself, so it should generally be a working config. Of course, you should
2169 always report when a combination doesn't work, so it can be fixed. Marc
2170 Lehmann &lt;<a href="mailto:rxvt@schmorp.de">rxvt@schmorp.de</a>&gt;.</p>
2171 <p>All</p>
2172 <dl>
2173 <dt><strong><a name="item__2d_2denable_2deverything">--enable-everything</a></strong><br />
2174 </dt>
2175 <dd>
2176 Add (or remove) support for all non-multichoice options listed in ``./configure
2177 --help''.
2178 </dd>
2179 <dd>
2180 <p>You can specify this and then disable options you do not like by
2181 <em>following</em> this with the appropriate <code>--disable-...</code> arguments,
2182 or you can start with a minimal configuration by specifying
2183 <code>--disable-everything</code> and than adding just the <code>--enable-...</code> arguments
2184 you want.</p>
2185 </dd>
2186 <p></p>
2187 <dt><strong><a name="item_xft">--enable-xft (default: enabled)</a></strong><br />
2188 </dt>
2189 <dd>
2190 Add support for Xft (anti-aliases, among others) fonts. Xft fonts are
2191 slower and require lots of memory, but as long as you don't use them, you
2192 don't pay for them.
2193 </dd>
2194 <p></p>
2195 <dt><strong><a name="item_styles">--enable-font-styles (default: on)</a></strong><br />
2196 </dt>
2197 <dd>
2198 Add support for <strong>bold</strong>, <em>italic</em> and <strong><em>bold italic</em> </strong>&gt; font
2199 styles. The fonts can be set manually or automatically.
2200 </dd>
2201 <p></p>
2202 <dt><strong><a name="item__2d_2dwith_2dcodesets_3dname_2c_2e_2e_2e__28defaul">--with-codesets=NAME,... (default: all)</a></strong><br />
2203 </dt>
2204 <dd>
2205 Compile in support for additional codeset (encoding) groups (<code>eu</code>, <code>vn</code>
2206 are always compiled in, which includes most 8-bit character sets). These
2207 codeset tables are used for driving X11 core fonts, they are not required
2208 for Xft fonts, although having them compiled in lets rxvt-unicode choose
2209 replacement fonts more intelligently. Compiling them in will make your
2210 binary bigger (all of together cost about 700kB), but it doesn't increase
2211 memory usage unless you use a font requiring one of these encodings.
2212 </dd>
2213 <table>
2214 <tr><td>all</td><td>all available codeset groups</td></tr>
2215 <tr><td>zh</td><td>common chinese encodings</td></tr>
2216 <tr><td>zh_ext</td><td>rarely used but very big chinese encodigs</td></tr>
2217 <tr><td>jp</td><td>common japanese encodings</td></tr>
2218 <tr><td>jp_ext</td><td>rarely used but big japanese encodings</td></tr>
2219 <tr><td>kr</td><td>korean encodings</td></tr>
2220 </table><p></p>
2221 <dt><strong><a name="item_xim">--enable-xim (default: on)</a></strong><br />
2222 </dt>
2223 <dd>
2224 Add support for XIM (X Input Method) protocol. This allows using
2225 alternative input methods (e.g. kinput2) and will also correctly
2226 set up the input for people using dead keys or compose keys.
2227 </dd>
2228 <p></p>
2229 <dt><strong><a name="item_unicode3">--enable-unicode3 (default: off)</a></strong><br />
2230 </dt>
2231 <dd>
2232 Enable direct support for displaying unicode codepoints above
2233 65535 (the basic multilingual page). This increases storage
2234 requirements per character from 2 to 4 bytes. X11 fonts do not yet
2235 support these extra characters, but Xft does.
2236 </dd>
2237 <dd>
2238 <p>Please note that rxvt-unicode can store unicode code points &gt;65535
2239 even without this flag, but the number of such characters is
2240 limited to a view thousand (shared with combining characters,
2241 see next switch), and right now rxvt-unicode cannot display them
2242 (input/output and cut&amp;paste still work, though).</p>
2243 </dd>
2244 <p></p>
2245 <dt><strong><a name="item_combining">--enable-combining (default: on)</a></strong><br />
2246 </dt>
2247 <dd>
2248 Enable automatic composition of combining characters into
2249 composite characters. This is required for proper viewing of text
2250 where accents are encoded as seperate unicode characters. This is
2251 done by using precomposited characters when available or creating
2252 new pseudo-characters when no precomposed form exists.
2253 </dd>
2254 <dd>
2255 <p>Without --enable-unicode3, the number of additional precomposed characters
2256 is rather limited (2048, if this is full, rxvt-unicode will use the
2257 private use area, extending the number of combinations to 8448). With
2258 --enable-unicode3, no practical limit exists.</p>
2259 </dd>
2260 <dd>
2261 <p>This option will also enable storage (but not display) of characters
2262 beyond plane 0 (&gt;65535) when --enable-unicode3 was not specified.</p>
2263 </dd>
2264 <dd>
2265 <p>The combining table also contains entries for arabic presentation forms,
2266 but these are not currently used. Bug me if you want these to be used (and
2267 tell me how these are to be used...).</p>
2268 </dd>
2269 <p></p>
2270 <dt><strong><a name="item_fallback">--enable-fallback(=CLASS) (default: Rxvt)</a></strong><br />
2271 </dt>
2272 <dd>
2273 When reading resource settings, also read settings for class CLASS. To disable resource fallback use --disable-fallback.
2274 </dd>
2275 <p></p>
2276 <dt><strong><a name="item_name">--with-res-name=NAME (default: urxvt)</a></strong><br />
2277 </dt>
2278 <dd>
2279 Use the given name as default application name when
2280 reading resources. Specify --with-res-name=rxvt to replace rxvt.
2281 </dd>
2282 <p></p>
2283 <dt><strong><a name="item__2d_2dwith_2dres_2dclass_3dclass__2fdefault_3a_urx">--with-res-class=CLASS /default: URxvt)</a></strong><br />
2284 </dt>
2285 <dd>
2286 Use the given class as default application class
2287 when reading resources. Specify --with-res-class=Rxvt to replace
2288 rxvt.
2289 </dd>
2290 <p></p>
2291 <dt><strong><a name="item_utmp">--enable-utmp (default: on)</a></strong><br />
2292 </dt>
2293 <dd>
2294 Write user and tty to utmp file (used by programs like <em>w</em>) at
2295 start of rxvt execution and delete information when rxvt exits.
2296 </dd>
2297 <p></p>
2298 <dt><strong><a name="item_wtmp">--enable-wtmp (default: on)</a></strong><br />
2299 </dt>
2300 <dd>
2301 Write user and tty to wtmp file (used by programs like <em>last</em>) at
2302 start of rxvt execution and write logout when rxvt exits. This
2303 option requires --enable-utmp to also be specified.
2304 </dd>
2305 <p></p>
2306 <dt><strong><a name="item_lastlog">--enable-lastlog (default: on)</a></strong><br />
2307 </dt>
2308 <dd>
2309 Write user and tty to lastlog file (used by programs like
2310 <em>lastlogin</em>) at start of rxvt execution. This option requires
2311 --enable-utmp to also be specified.
2312 </dd>
2313 <p></p>
2314 <dt><strong><a name="item_background">--enable-xpm-background (default: on)</a></strong><br />
2315 </dt>
2316 <dd>
2317 Add support for XPM background pixmaps.
2318 </dd>
2319 <p></p>
2320 <dt><strong><a name="item_transparency">--enable-transparency (default: on)</a></strong><br />
2321 </dt>
2322 <dd>
2323 Add support for inheriting parent backgrounds thus giving a fake
2324 transparency to the term.
2325 </dd>
2326 <p></p>
2327 <dt><strong><a name="item_fading">--enable-fading (default: on)</a></strong><br />
2328 </dt>
2329 <dd>
2330 Add support for fading the text when focus is lost (requires <code>--enable-transparency</code>).
2331 </dd>
2332 <p></p>
2333 <dt><strong><a name="item_tinting">--enable-tinting (default: on)</a></strong><br />
2334 </dt>
2335 <dd>
2336 Add support for tinting of transparent backgrounds (requires <code>--enable-transparency</code>).
2337 </dd>
2338 <p></p>
2339 <dt><strong><a name="item_scroll">--enable-rxvt-scroll (default: on)</a></strong><br />
2340 </dt>
2341 <dd>
2342 Add support for the original rxvt scrollbar.
2343 </dd>
2344 <p></p>
2345 <dt><strong>--enable-next-scroll (default: on)</strong><br />
2346 </dt>
2347 <dd>
2348 Add support for a NeXT-like scrollbar.
2349 </dd>
2350 <p></p>
2351 <dt><strong>--enable-xterm-scroll (default: on)</strong><br />
2352 </dt>
2353 <dd>
2354 Add support for an Xterm-like scrollbar.
2355 </dd>
2356 <p></p>
2357 <dt><strong>--enable-plain-scroll (default: on)</strong><br />
2358 </dt>
2359 <dd>
2360 Add support for a very unobtrusive, plain-looking scrollbar that
2361 is the favourite of the rxvt-unicode author, having used it for
2362 many years.
2363 </dd>
2364 <p></p>
2365 <dt><strong><a name="item_shadow">--enable-half-shadow (default: off)</a></strong><br />
2366 </dt>
2367 <dd>
2368 Make shadows on the scrollbar only half the normal width &amp; height.
2369 only applicable to rxvt scrollbars.
2370 </dd>
2371 <p></p>
2372 <dt><strong><a name="item_ttygid">--enable-ttygid (default: off)</a></strong><br />
2373 </dt>
2374 <dd>
2375 Change tty device setting to group ``tty'' - only use this if
2376 your system uses this type of security.
2377 </dd>
2378 <p></p>
2379 <dt><strong><a name="item__2d_2ddisable_2dbackspace_2dkey">--disable-backspace-key</a></strong><br />
2380 </dt>
2381 <dd>
2382 Removes any handling of the backspace key by us - let the X server do it.
2383 </dd>
2384 <p></p>
2385 <dt><strong><a name="item__2d_2ddisable_2ddelete_2dkey">--disable-delete-key</a></strong><br />
2386 </dt>
2387 <dd>
2388 Removes any handling of the delete key by us - let the X server
2389 do it.
2390 </dd>
2391 <p></p>
2392 <dt><strong><a name="item__2d_2ddisable_2dresources">--disable-resources</a></strong><br />
2393 </dt>
2394 <dd>
2395 Removes any support for resource checking.
2396 </dd>
2397 <p></p>
2398 <dt><strong><a name="item__2d_2ddisable_2dswapscreen">--disable-swapscreen</a></strong><br />
2399 </dt>
2400 <dd>
2401 Remove support for secondary/swap screen.
2402 </dd>
2403 <p></p>
2404 <dt><strong><a name="item_frills">--enable-frills (default: on)</a></strong><br />
2405 </dt>
2406 <dd>
2407 Add support for many small features that are not essential but nice to
2408 have. Normally you want this, but for very small binaries you may want to
2409 disable this.
2410 </dd>
2411 <dd>
2412 <p>A non-exhaustive list of features enabled by <code>--enable-frills</code> (possibly
2413 in combination with other switches) is:</p>
2414 </dd>
2415 <dd>
2416 <pre>
2417 MWM-hints
2418 EWMH-hints (pid, utf8 names) and protocols (ping)
2419 seperate underline colour (-underlineColor)
2420 settable border widths and borderless switch (-w, -b, -bl)
2421 settable extra linespacing /-lsp)
2422 iso-14755-2 and -3, and visual feedback
2423 backindex and forwardindex escape sequence
2424 window op and some xterm/OSC escape sequences
2425 tripleclickwords (-tcw)
2426 settable insecure mode (-insecure)
2427 keysym remapping support
2428 cursor blinking and underline cursor (-cb, -uc)
2429 XEmbed support (-embed)
2430 user-pty (-pty-fd)
2431 hold on exit (-hold)
2432 skip builtin block graphics (-sbg)
2433 sgr modes 90..97 and 100..107</pre>
2434 </dd>
2435 <p></p>
2436 <dt><strong><a name="item_iso14755">--enable-iso14755 (default: on)</a></strong><br />
2437 </dt>
2438 <dd>
2439 Enable extended ISO 14755 support (see rxvt(1), or
2440 <em>doc/rxvt.1.txt</em>). Basic support (section 5.1) is enabled by
2441 <code>--enable-frills</code>, while support for 5.2, 5.3 and 5.4 is enabled with
2442 this switch.
2443 </dd>
2444 <p></p>
2445 <dt><strong><a name="item_keepscrolling">--enable-keepscrolling (default: on)</a></strong><br />
2446 </dt>
2447 <dd>
2448 Add support for continual scrolling of the display when you hold
2449 the mouse button down on a scrollbar arrow.
2450 </dd>
2451 <p></p>
2452 <dt><strong><a name="item_mousewheel">--enable-mousewheel (default: on)</a></strong><br />
2453 </dt>
2454 <dd>
2455 Add support for scrolling via mouse wheel or buttons 4 &amp; 5.
2456 </dd>
2457 <p></p>
2458 <dt><strong><a name="item_slipwheeling">--enable-slipwheeling (default: on)</a></strong><br />
2459 </dt>
2460 <dd>
2461 Add support for continual scrolling (using the mouse wheel as an
2462 accelerator) while the control key is held down. This option
2463 requires --enable-mousewheel to also be specified.
2464 </dd>
2465 <p></p>
2466 <dt><strong><a name="item__2d_2ddisable_2dnew_2dselection">--disable-new-selection</a></strong><br />
2467 </dt>
2468 <dd>
2469 Remove support for mouse selection style like that of xterm.
2470 </dd>
2471 <p></p>
2472 <dt><strong><a name="item_dmalloc">--enable-dmalloc (default: off)</a></strong><br />
2473 </dt>
2474 <dd>
2475 Use Gray Watson's malloc - which is good for debugging See
2476 <a href="http://www.letters.com/dmalloc/">http://www.letters.com/dmalloc/</a> for details If you use either this or the
2477 next option, you may need to edit src/Makefile after compiling to point
2478 DINCLUDE and DLIB to the right places.
2479 </dd>
2480 <dd>
2481 <p>You can only use either this option and the following (should
2482 you use either) .</p>
2483 </dd>
2484 <p></p>
2485 <dt><strong><a name="item_dlmalloc">--enable-dlmalloc (default: off)</a></strong><br />
2486 </dt>
2487 <dd>
2488 Use Doug Lea's malloc - which is good for a production version
2489 See <a href="http://g.oswego.edu/dl/html/malloc.html">http://g.oswego.edu/dl/html/malloc.html</a> for details.
2490 </dd>
2491 <p></p>
2492 <dt><strong><a name="item_resize">--enable-smart-resize (default: on)</a></strong><br />
2493 </dt>
2494 <dd>
2495 Add smart growth/shrink behaviour when changing font size via hot
2496 keys. This should keep the window corner which is closest to a corner of
2497 the screen in a fixed position.
2498 </dd>
2499 <p></p>
2500 <dt><strong><a name="item_blank">--enable-pointer-blank (default: on)</a></strong><br />
2501 </dt>
2502 <dd>
2503 Add support to have the pointer disappear when typing or inactive.
2504 </dd>
2505 <p></p>
2506 <dt><strong><a name="item_perl">--enable-perl (default: off)</a></strong><br />
2507 </dt>
2508 <dd>
2509 Enable an embedded perl interpreter. See the <strong>rxvtperl(3)</strong>
2510 manpage (<em>doc/rxvtperl.txt</em>) for more info on this feature, or the files
2511 in <em>src/perl-ext/</em> for the extensions that are installed by default. The
2512 perl interpreter that is used can be specified via the <code>PERL</code> environment
2513 variable when running configure.
2514 </dd>
2515 <p></p>
2516 <dt><strong>--with-name=NAME (default: urxvt)</strong><br />
2517 </dt>
2518 <dd>
2519 Set the basename for the installed binaries, resulting
2520 in <code>urxvt</code>, <code>urxvtd</code> etc.). Specify <code>--with-name=rxvt</code> to replace with
2521 <code>rxvt</code>.
2522 </dd>
2523 <p></p>
2524 <dt><strong>--with-term=NAME (default: rxvt-unicode)</strong><br />
2525 </dt>
2526 <dd>
2527 Change the environmental variable for the terminal to NAME.
2528 </dd>
2529 <p></p>
2530 <dt><strong><a name="item__2d_2dwith_2dterminfo_3dpath">--with-terminfo=PATH</a></strong><br />
2531 </dt>
2532 <dd>
2533 Change the environmental variable for the path to the terminfo tree to
2534 PATH.
2535 </dd>
2536 <p></p>
2537 <dt><strong><a name="item__2d_2dwith_2dx">--with-x</a></strong><br />
2538 </dt>
2539 <dd>
2540 Use the X Window System (pretty much default, eh?).
2541 </dd>
2542 <p></p>
2543 <dt><strong><a name="item__2d_2dwith_2dxpm_2dincludes_3ddir">--with-xpm-includes=DIR</a></strong><br />
2544 </dt>
2545 <dd>
2546 Look for the XPM includes in DIR.
2547 </dd>
2548 <p></p>
2549 <dt><strong><a name="item__2d_2dwith_2dxpm_2dlibrary_3ddir">--with-xpm-library=DIR</a></strong><br />
2550 </dt>
2551 <dd>
2552 Look for the XPM library in DIR.
2553 </dd>
2554 <p></p>
2555 <dt><strong><a name="item__2d_2dwith_2dxpm">--with-xpm</a></strong><br />
2556 </dt>
2557 <dd>
2558 Not needed - define via --enable-xpm-background.
2559 </dd>
2560 <p></p></dl>
2561 <p>
2562 </p>
2563 <hr />
2564 <h1><a name="authors">AUTHORS</a></h1>
2565 <p>Marc Lehmann &lt;<a href="mailto:rxvt@schmorp.de">rxvt@schmorp.de</a>&gt; converted this document to pod and
2566 reworked it from the original Rxvt documentation, which was done by Geoff
2567 Wing &lt;<a href="mailto:gcw@pobox.com">gcw@pobox.com</a>&gt;, who in turn used the XTerm documentation and other
2568 sources.</p>
2569
2570 </body>
2571
2572 </html>