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Revision 1.1099 by sf-exg, Wed Jun 20 08:01:19 2012 UTC vs.
Revision 1.1285 by root, Fri Dec 23 21:46:45 2022 UTC

14 or something like that. guys, send me a patch. 14 or something like that. guys, send me a patch.
15WISH: coloured pastebin 15WISH: coloured pastebin
16WISH: load system-wide config file even if we don't have one 16WISH: load system-wide config file even if we don't have one
17WISH: look into XAddConnectionWatch, does anybody need that? 17WISH: look into XAddConnectionWatch, does anybody need that?
18DUMB: support tex fonts 18DUMB: support tex fonts
19TODO: decrqm http://ue.tst.eu/71d7dbd1fcfeaa7d2a4b96eb957d570c.txt
20TODO: perl-shell-window? perl-unix-socket? 19TODO: perl-shell-window? perl-unix-socket?
21TODO: command line editing when icanon? 20TODO: command line editing when icanon?
22TODO: split ROW into a ROW_fast (0..total*2-1) and ROW macros? 21TODO: split ROW into a ROW_fast (0..total*2-1) and ROW macros?
23TODO: catch exceptions when calling perl hooks 22TODO: catch exceptions when calling perl hooks
24TODO: xdbe 23TODO: xdbe
25 24TODO: optimise bg reeval for resize for common patterns (pixmap bigger than window?)
26TODO: DEC PM 4h/4l should toggle jumpscroll on or off (PrivMode_smoothScroll)
27TODO: pack rxvt_fatal messages into the exception object 25TODO: pack rxvt_fatal messages into the exception object
28TODO: provide something like % for easy access for parse_keysym 26TODO: load must not cache, but global image cache must be cleaned
29TODO: description into --help output? 27TODO: description into --help output?
30TODO: tint, shade 28TODO: rxvt -help => (see rxvt-XXX(1))?
31TODO: optimise bg reeval for resize for comon patterns (pixmap bigger than window?) 29TODO: xor_rect should shift right
32TODO: load must not cache, but global image cache 30TODO IMPL: recalc bg only when not fully covering (no alpha, repeat|extend etc..)
33TODO: manpages for perl extensions 31
34TODO: ->on MUST pass the extension as first argument, somehow 32TODO IMPL: colour-change event with index
359.16 33TODO IMPL: recalc bg always on bg colour change
34
35TODO: document typical actions in rxvt.1.pod keysyms
36TODO: warn with a graphical message when env has been modified
37TODO: c&c perl socket via daemon-ext mechanism
38TODO: simplify extension metainfo cache, cache on disk
39TODO: URxvt::Ext::Name installs urxvt ext name and provides pod/manpage for URxvt::Ext::Name
40TODO: üpixel droppins idenrasm,ll,scrollup
41TODO: cuu/cud and probably others default to 1 when arg is 0, not just missing, in xterm/vt102, but not in rxvt
42TODO: clean up the resource vs. long option mess, especially in the manpage.
43TODO: think about daemon delaying urxvt client exit.
44IDEA: use harfbuzz to render combining sequences, maybe also complex scripts
45TODO: https://github.com/bbidulock/icewm/issues/492 urxvt wrongfully(?) needa configurenotify after mapwindow? also, black border?
46
47TODO: rclock horribly time-biased
48TODO: rclock iso mode?
49
50TODO: printf "\e[4:3m" - "undercurl" - should probbaly be interpüreted as underline, rather than \e[43m
51TODO: click through mode / https://shallowsky.com/blog/2017/Apr/06/
52
53TODO:
5403:32:26 <BlueFish> Hi. I think I found a bug in special_encode in rxvtperl.xs
5503:33:37 <BlueFish> special_encode('لا') or any other string that contains 'لا' returns a disturbed string
5603:33:40 <schmorp> hi BlueFish
5703:34:10 <schmorp> whats a disturbed string?
5803:34:25 <BlueFish> for example سلام becomes ملام
5903:35:05 <BlueFish> see this issue: https://github.com/mkamensky/Text-Bidi/issues/10 I was trying to fix it
60 and after playing around for a while found out that special_encode is causing the problem
6103:35:36 <schmorp> does this happen when you compile without --enable-combining (or with --disable-combining)?
6203:37:40 <BlueFish> I don't know the one that I installed from my distro repository has this flag or not. Is
63 there anyway to check?
6403:38:49 <schmorp> rxvt --help will output a options: line at the top, whioch will list "combining"
6503:39:10 <schmorp> anyway, I don't think i will understand this at my current tiredness level, I'll have a
66 look when I have time
6703:39:26 <schmorp> are you usually around on this network, so I coulöd ask you in cas eI have questions?
6803:40:25 <BlueFish> yes combining is enabled. No I don't check IRC that much. You can reach me via email
6903:40:44 <schmorp> ok, thats fine
7003:40:40 <BlueFish> avestasabayemoghadam@gmail.com
71
72 - implement a fix for CVE-2022-4170 (reported and analyzed by David Leadbeater).
73 While present in version 9.30, it should not be exploitable. It is exploitable
74 in versions 9.25 and 9.26, at least, and allows anybody controlling terminal
75 input to execute arbitrary code in the urxvt process.
76 - the background extension no longer requires off focus fading support
77 to be compiled in.
78 - fix compiling without frills.
79 - fix rewrapMode: never.
80 - fix regression that caused urxvt to no longer emit responses
81 to OSC color queries other than OSC 4 ones.
82 - fix regression that caused urxvt to no longer process OSC 705.
83 - exec_async (used e.g. by the matcher extension to spawn processes) now
84 sets the URXVT_EXT_WINDOWID variable to the window id opf the terminal.
85 - implement -fps option/refreshRate resource to change the default 60 Hz
86 maximum refresh limiter. I always wanted an fps option, but had to
87 wait for a user requesting it.
88
899.30 Sat 27 Nov 2021 21:07:09 CET
90 - the background extension did not initialise properly when automatically
91 loaded via the OSC.
92 - new "on_attach" hook type implemented, to initialise late-loading
93 extensions.
94
959.29 Mon 22 Nov 2021 18:07:14 CET
96 - libptytty (http://dist.schmorp.de/libptytty/) is now a required
97 external dependency.
98 - enable confirm-paste extension by default, can be disabled by e.g.
99 URxvt.perl-ext: -confirm-paste
100 - Key bindings specified with the -keysym option or with resources of
101 the form URxvt*keysym work again. Such resources, as opposed to
102 resources of the form URxvt.keysym, were not officially allowed but
103 accepted, so ignoring them is considered a regression.
104 - new option/resource -rm/rewrapMode, which sets the line rewrap
105 mode to auto, never or always.
106 - new option/resource -dpb/disablePasteBrackets, which can be used to
107 disable bracketed paste mode sequences, as more and more programs
108 abuse these sequences (typically in the name of security, but these
109 sequences are not improving security). Also, bracketed paste mode
110 is now under frills.
111 - add manpage for urclock.
112 - confirm-paste wrongly considered brackets as ctrlchars (patch by
113 Jakub Wilk, debian bug #995244).
114 - if urxvt cannot detect a good estimate for font width (because a font does
115 not contain latin characters at all for example), it will now fall
116 back to xft's max_advance_width, which works well with some fonts. It
117 currently will warn about this.
118 - do not render variation selectors in the default font as boxes, treat
119 them as zero-width characters.
120 - change combining character architecture to allow fonts to handle
121 combining sequences on their own. This could allow future renderers
122 to be more intelligent about these sequences.
123 - use the previous enhancement to allow unicode characters outside of the
124 BMP to be rendered even without --enable-unicode3, as long as an
125 xft with the character is configured.
126 It's recommended to stay with disabled unicode3 even more now.
127 - freetype/xft have been verified to return nonsensical offsets for
128 combining characters. urxvt tries to compensate to some extent,
129 but diacritics will be slightly off in many cases, and far off in
130 some cases (e.g. input mono).
131 - when checking for overlap/careful handling, take non-basefont
132 character shifts into account.
133 - extensions can now request autoloading on OSC and Perl OSC sequences,
134 implement this for the background, clipboard-osc and overlay-osc
135 extensions.
136 - the background extension will now be autoloaded when the OSC 20 or 705
137 sequence is received.
138 - added OSC 776 sequence to return character cell width, height and font
139 ascent, which is useful when using urxvt as slave to calculate window
140 size form or to row/column count.
141 - matcher extension documentation now points out some requirements for
142 regular expressions. the default url matching regex will now try
143 to match IRLs in addition to URLs.
144 - The view_start perl method now scrolls to the bottom also when the
145 argument is greater than 0.
146 - eval scroll actions now scroll to the bottom when scrolling down and
147 there are less lines to scroll than the ones requested (reported by
148 Stephen Talley).
149 - allow perl-ext and perl-ext-common to override autoloaded extensions.
150 this allows tabbed to disable itself in subtabs, avoiding recursive
151 loading.
152 - update precompose table to unicode 13.0.
153 - update charset conversion tables to perl 5.32 (this only affected
154 cs_koi8_u_from_unicode).
155 - unicode characters > 0x100000 were not handled correctly w.r.t.
156 font rendering.
157 - replace bitstream vera by dejavu sans, as it has replaced the former
158 almost everywhere.
159 - urxvt will now try tic -x first and only fall back to tic without -x
160 when tic -x fails.
161 - fix urclock not erasing the old date on the clock face, causing
162 overdraw, plus a host of other small fixes and improvements.
163 - shave off over 1K of code size from urclock by replacing the sine table
164 with a slightly less accurate fixed point approximation.
165 - do not specify indentation with =over in pod, this is no longer
166 needed with semi-modern pod tools and gives the formatter more
167 stylistic freedom.
168 - background extension did not set the "size-sensitive" flag
169 when repeat mode wasn't normal.
170 - extensions are now subjected to "use strict 'subs'".
171 - avoid crashing when xft successfully opens a font but then somehow
172 can't lock the face.
173 - locale_decode/encode api methods now pass through undef unchanged.
174 - fix undefined behaviour in the perl hook function, as diagnosed by clang.
175
1769.26 Fri May 14 19:14:14 CEST 2021
177 - ev_iouring.c was wrongly required during compilation, and wrongly
178 not packaged.
179
1809.25 Fri May 14 15:51:36 CEST 2021
181 - for the 17.5th anniversary, and because many distributions seem to
182 remove rxvt in favour of urxvt, this release resurrects rclock as
183 urclock.
184 - add support for systemd socket-based activation - debian bug #917105,
185 freebsd bug #234276.
186 - do not destruct perl on exit anymore: this might fail for a variety of
187 reasons, and takes unnecessary time.
188 - remove any macros from urxvtperl manpage(s), should fix debian
189 bug 858385.
190 - the old bg image resources are now provided by the background
191 extension, and perl is thus required for bg image support. No
192 configuration change is needed: urxvt autoloads the background
193 ext if any bg image resource/option is present (for OSC sequences to
194 work you need to enable it explicitly). The old bg image
195 resources are also now deprecated; users are encouraged to
196 switch to the new bg image interface (see man urxvt-background).
197 - confirm-paste now checks for any ctlchars, not just newlines.
198 - searchable scrollback will now ignore bracketed paste mode sequences
199 (prompted by Daniel Gröber's patch).
200 - drop ISO 2022 locale support. ISO 2022 encodings are not supported in
201 POSIX locales and clash with vt100 charset emulation (the luit
202 program can be used as a substitute).
203 - perl didn't parse rgba colours specified as an array correctly,
204 only allowing 0 and 100% intensity for each component (this affected
205 fill and tint).
206 - when iterating over resources, urxvt will now try to properly handle
207 multipart resources (such as "*background.expr"), for the benefit
208 of autoloading perl extensions.
209 - ESC G (query rxvt graphics mode) has been disabled due to security
210 implications. The rxvt graphics mode was removed in rxvt-unicode 1.5,
211 and no programs relying on being able to query the mode are known.
212 - work around API change breakage in perl 5.28, based on a patch by
213 Roman Bogorodskiy.
214 - improved security: rob nation's (obsolete) graphics mode queries
215 no longer reply with linefeed in secure/default mode.
216 - ISO 8613-3 direct colour SGR sequences (patch by Fengguang Wu).
217 - xterm focus reporting mode (patch by Daniel Hahler).
218 - xterm SGR mouse mode.
219 - implement DECRQM. Patch by Přemysl Eric Janouch.
220 - add missing color index parameter to OSC 4 response. Patch
221 by Přemysl Eric Janouch.
222 - in some window managers, if smart resize was enabled, urxvt
223 erroneously moved the window on font change - awesome bug
224 #532, arch linux bug ##34807 (patch by Uli Schlachter).
225 - fix urxvtd crash when using a background expression.
226 - properly restore colors when using fading and reverse video
227 is enabled while urxvt is focused and then disabled while it
228 is not focused, or vice versa (patch by Daniel Hahler).
229 - fix high memory usage when an extension repeatedly hides and
230 shows an overlay (reported by Marcel Lautenbach).
231 - expose priv_modes member and constants to perl extensions
232 (patch by Rastislav Barlik).
233 - fix a whole slew of const sillyness, unfortunately forced upon
234 us by ISO C++.
235 - update to libecb 0x00010006.
236 - disable all thread support in ecb.h as we presumably don't need it.
237 - slightly improve Makefile source dependencies.
238 - work around bugs in newer Pod::Xhtml versions (flags incorrect formatting codes
239 in xhtml/html sections but does not interpret correct ones).
240
2419.22 Sat Jan 23 21:07:33 CET 2016
242 - NOTICE: this release updates terminfo.
243 - add terminfo capabilities for various ctrl and shift-ctrl key variants
244 (patch by Sebastian Schmidt).
245 - fix longstanding core font encoding bug where some character
246 ranges could not be mapped from unicode to the font: affected
247 encodings are big5, gb2312, iso8859-8 (hebrew), jis0201 and
248 ksc5601 (reported by Mikachu).
249 - fix crash when the number of columns is 1 and a 0 width character is inserted
250 (reported by Kuang-che Wu).
251 - fix a crash when parsing an invalid color specification (reported by Kuang-che Wu).
252 - fix a buffer overflow in font name parser (reported by Kuang-che Wu).
253 - do not start blinking cursor if the window is unfocused (reported by
254 Devin J. Pohly).
255 - change the width of underline and i-beam cursor to 2 pixels (based on
256 a patch by Omar Sandoval).
257 - add pointerShape resource to change the mouse pointer shape
258 (based on a patch by Brian Watson).
259 - a keysym resource for a key which is already bound to an
260 action now properly rebinds the key.
261 - do not report mouse motion events if Shift is active (patch by Daniel Hahler).
262 - put the alpha component last in responses to OSC color queries
263 (patch by Benjamin Herr).
264 - the key_press hook is now invoked before processing the
265 event, as documented. This change was done in 9.21 but not
266 announced and fixes debian bugs #511377, #531751 and red hat
267 bug #1105069. Note that this change breaks a few scripts,
268 such as mark-yank-urls, which rely on the previous buggy
269 behaviour that urxvt processes the event (in particular
270 keysym bindings) before invoking the hook.
271 - the tabbed extension now properly refreshes the active tab
272 on a key press when the mouse pointer is outside the terminal
273 window.
274 - add 'lookup_keysym' perl method to lookup the action bound
275 to a key combination.
276 - a key combination bound to 'matcher:select' can now be used
277 to cycle through the matches in matcher.
278 - change perl integer accessors (->width et al.) into mutators.
279 - this version has ben verified to work with perl 5.8.3.
280
2819.21 Wed Dec 31 14:50:03 CET 2014
282 - the "moa redraw 8-bit british vintage colour management" release.
283 - NOTICE: this release updates terminfo.
284 - fix pixel droppings on overdraw when a secondary core font has the
285 same height but different ascent.
286 - implement cvvis in terminfo as blinking cursor, to distinguish it
287 from cnorm (emacs uses cvvis which is commonly a blinking cursor).
288 - when xft support was compiled in, colour queries erroneously returned
289 premultiplied values, this also affected internal queries, for example
290 when calculating faded colour. alpha is now divided out when possible,
291 which is more correct but loses colour resolution.
292 - add DECSCUSR xterm extension to set the cursor to a vertical bar.
293 - add 'extension:string' action, and associated on_action perl
294 hook, for keysym resources that invokes actions provided by
295 perl extensions. The 'perl:string' action and
296 on_user_command hook are deprecated but still supported.
297 - add 'builtin-string' action for keysym resources that restores string
298 mappings for keys that have predefined actions in urxvt.
299 - add -k option to urxvtc for killing the daemon process.
300 - document urxvtd's -e/--eval option that was implemented in 9.16,
301 but not documented.
302 - add -dockapp option to make the wm treat urxvt as a dockapp.
303 - add -mc option and multiClickTime resource to set the maximum time
304 between multi-click select events (patch by Joe Peterson).
305 - new 'eval' extension to evaluate arbitrary perl code with keysym
306 bindings. The extension also provides methods that implement basic
307 actions, such as pasting selections and scrolling.
308 - the macosx-clipboard and macosx-clipboard-native extensions have been removed.
309 - kuake extension now uses the kuake.hotkey resource to specify the hotkey.
310 - new 'matcher:select' mode of matcher to iterate over the matches with the keyboard.
311 - the 'matcher:list' feature of matcher now honours the launcher
312 associated to a matched pattern.
313 - speed-up matcher underlining on very long lines (reported by Edward Z. Yang).
314 - fix up/down commands of searchable-scrollback so that they always move
315 to the previous/next logical line with a match, if any.
316 - searchable-scrollback resource has been deprecated (use keysym instead).
317 - extension parameter passing is deprecated (use resource mechanism instead).
318 - upgrade to GPLv3 (see COPYING).
319 - compile out of the box on Solaris 10, again.
320 - fix height and position of the stippled area in next scrollbar (patch
321 by Thomas Otto).
322 - fix off-by-one bug causing the iso14755 window not to jump out of the
323 way properly.
324 - fix crash that may happen if a lib to which urxvt is linked to calls setenv.
325 - fix memory leak in special_{encode,decode} perl methods.
326 - fix refresh bug that occurs when reverse video is set on a cell
327 containing a space and with the same bg and fg colour, red hat bug
328 #830236.
329 - fix crash that may happen if an x error is received after a terminal
330 window/popup has been destroyed already.
331 - removed superfluous 0 digit from sgr terminfo sequence.
332 - greatly improve colour allocation on colour-starved pseudocolour
333 displays to avoid read-write cells instead of simply failing
334 (this is only relevant for antique 8bpp frame buffers).
335 - do not free fade colours when not doing fading (this is likely
336 only relevant for antique 8bpp frame buffers).
337 - do not specialcase 2 or 4 colour visuals, leading to
338 simpler and actually more correct code.
339 - hopefully no longer leak colours on !truecolour visuals.
340 - use consistent method names (scr_recolour => scr_recolor).
341 - use simpler (but slightly less bogus) formula for nearest
342 colour choice (this is likely only relevant for antique 8bpp
343 frame buffers).
344 - remove fallback behaviour when initialising colours - the
345 behaviour was inconsistent between startup vs. later and
346 was only effective when valid colours couldn't be allocated.
347
3489.20 Sat Apr 26 16:22:27 CEST 2014
349 - (libptytty) fix bug that prevented urxvtd from writing utmp
350 entries when using --fork (reported by Ryan Kavanagh).
351 - security bugfix: window property values could be queried even
352 in secure mode (reported by Conor McCarthy).
353 - fix build when perl is enabled and fading is disabled.
354 - fix regression that broke continuous scrolling when pressing
355 and holding the scrollbar up or down button, gentoo bug #493992.
356 - increase the maximum length of a command sequence to 32k bytes,
357 to allow longer OSC sequences (previous limit was 2k).
358 - new Ctrl-Meta-c and Ctrl-Meta-v bindings to interact with
359 the CLIPBOARD selection.
360 - new extension: selection-to-clipboard.
361 - the extensions macosx-clipboard and macosx-clipboard-native
362 are deprecated and will be removed in the next release.
363 Support for the clipboard on OS X can be more generally
364 enabled by setting the XQuartz preference to sync the OS X
365 pasteboard and the X11 clipboard.
366
3679.19 Sun Oct 27 17:16:07 CET 2013
368 - work around perl 5.18.0 breakage in tabbed extension
369 (reported by Karol Blazewicz) and in pod (Dominic Hargreaves).
370 - fix regression that caused the double-click word selection to
371 erroneously include a tab on the left of the selected word.
372 - implement FOCUS variable and focus_fade function in background
373 expression, to allow focus-sensitive background images.
374 - add support for the set cursor style (DECSCUSR) control
375 function.
376 - honour cursorColor also when the cursor style is underline.
377 - export some Color_xxx constants to Perl.
378
3799.18 Sun Mar 24 15:33:35 CET 2013
380 - fix regression that caused artifacts on resize.
381
3829.17 Fri Mar 1 13:46:08 CET 2013
383 - add shade operator in background perl extension.
384 - avoid starting or ending the selection in the middle of wide
385 characters to avoid artifacts (reported by Tiago Resende).
386 - fix artifacts that may occur if the character in the cursor
387 cell has width > 1 (reported by Tiago Resende).
388 - fix regression that causes artifacts on scrolling if
389 saveLines is 0 and the window is resized (reported by Bert
390 Münnich).
391 - fix build when perl is enabled and pixbuf and transparency
392 are disabled.
393
3949.16 Thu Dec 27 11:56:43 CET 2012
36 - the "so much new stuff you eyes will pop out" release. 395 - the "so much new stuff your eyes will pop out" release.
37 - INCOMPATIBLE CHANGE: renamed urlLauncher resource to url-launcher. 396 - INCOMPATIBLE CHANGE: renamed urlLauncher resource to url-launcher.
38 - fix processing of DEC private mode save sequences (patch by Patrick 397 - fix processing of DEC private mode save sequences (patch by Patrick
39 Hemmer). 398 Hemmer).
399 - perl extensions now have their own manpages, installed as urxvt-NAME(1),
400 e.g. urxvt-background(1) - see urxvt-extensions(1) for a list.
40 - fix disabling of cursor blink with the option-popup menu (based on a 401 - fix disabling of cursor blink with the option-popup menu (based on a
41 patch by Jan Larres). 402 patch by Jan Larres).
42 - the font height is not augmented anymore when lineSpace is non zero. 403 - the font height is not augmented anymore when lineSpace is non zero.
43 - fix "new pagemap" vs. "delete pagemap" mismatch ([] vs. non-[]), 404 - fix "new pagemap" vs. "delete pagemap" mismatch ([] vs. non-[]),
44 as diagnosed by clang. 405 as diagnosed by clang.
64 - update to CVS version of libev, for a whopping 11kb size decrease. 425 - update to CVS version of libev, for a whopping 11kb size decrease.
65 - do not ship yet another copy of ecb.h, use the one in libev or 426 - do not ship yet another copy of ecb.h, use the one in libev or
66 libptytty instead. 427 libptytty instead.
67 - selectively mark some methods as cache-hot/cache cold, which 428 - selectively mark some methods as cache-hot/cache cold, which
68 might speed up execution but definitely decreases codesize. 429 might speed up execution but definitely decreases codesize.
430 - Fix regression that prevented the scrollbar trough color
431 from being applied (reported by Derek B. Noonburg).
432 - Fix the scrollbar size for rxvt style (patch by Mark Robinson).
69 433
709.15 Sat Jan 21 13:36:56 CET 2012 4349.15 Sat Jan 21 13:36:56 CET 2012
71 - remove "using namespace std" because clang erroneously 435 - remove "using namespace std" because clang erroneously
72 thinks thats an error. 436 thinks thats an error.
73 - finding a matching font (e.g. bold version of the base font) 437 - finding a matching font (e.g. bold version of the base font)
140 - fix regression in processing of SelectionNotify events. 504 - fix regression in processing of SelectionNotify events.
141 urxvt would fail to request a selection if the owner did not 505 urxvt would fail to request a selection if the owner did not
142 support the UTF8_STRING target. 506 support the UTF8_STRING target.
143 - fix rendering of double width chars in certain circumstances, more 507 - fix rendering of double width chars in certain circumstances, more
144 likely to happen if urxvt is compiled with 256 colors support as 508 likely to happen if urxvt is compiled with 256 colors support as
145 urxvt runs out of fonts much earlier then. Fixes gentoo bug #358151 509 urxvt runs out of fonts much earlier then. Fixes gentoo bug #358151
146 (Emanuele Giaquinta). 510 (Emanuele Giaquinta).
147 - restore support for 'list' syntax in keysym resources (requested by Sung Pae). 511 - restore support for 'list' syntax in keysym resources (requested by Sung Pae).
148 - always premultiply colour values - while this increases differences between 512 - always premultiply colour values - while this increases differences between
149 core fonts and xft, it is "more correct" in practical situations. 513 core fonts and xft, it is "more correct" in practical situations.
150 - disable PTYTTY_REENTRANT option - not needed for urxvt and saves a bit of code. 514 - disable PTYTTY_REENTRANT option - not needed for urxvt and saves a bit of code.

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