source: xsoft/graphweb/firefox.xml@ d3ca48b

11.1 lazarus trunk xry111/intltool xry111/test-20220226
Last change on this file since d3ca48b was d3ca48b, checked in by Ken Moffat <ken@…>, 6 months ago

Update to firefox-91.5.0 (Security Update).

  • Property mode set to 100644
File size: 24.6 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY firefox-download-http "&mozilla-http;/firefox/releases/&firefox-version;esr/source/firefox-&firefox-version;esr.source.tar.xz">
8 <!ENTITY firefox-download-ftp " ">
9 <!ENTITY firefox-md5sum "3eabc6ae1a2f9869fa1d242b61cb6ff2">
10 <!ENTITY firefox-size "364 MB">
11 <!-- NB with stylo, much of the build uses rust, and therefore cargo files.
12 But the extra cached cargo files, if any, seem to be minimal -->
13 <!ENTITY firefox-buildsize "6.7 GB (194 MB installed) without tests">
14 <!-- editors: with ff63 and rust-1.29, ./mach build -j4 is probably the
15 most practical way to get a timing on a machine with more cores, if taking
16 cores offline is not practical. If in doubt, round up -->
17 <!ENTITY firefox-time "31 SBU (on a typical 4-core machine) without tests">
18]>
19
20<sect1 id="firefox" xreflabel="Firefox-&firefox-version;">
21 <?dbhtml filename="firefox.html" ?>
22
23 <sect1info>
24 <date>$Date$</date>
25 </sect1info>
26
27 <title>Firefox-&firefox-version;</title>
28
29 <indexterm zone="firefox">
30 <primary sortas="a-Firefox">Firefox</primary>
31 </indexterm>
32
33 <sect2 role="package">
34 <title>Introduction to Firefox</title>
35
36 <para>
37 <application>Firefox</application> is a stand-alone browser based on the
38 <application>Mozilla</application> codebase.
39 </para>
40
41 &lfs110a_checked;
42
43 <bridgehead renderas="sect3">Package Information</bridgehead>
44 <itemizedlist spacing="compact">
45 <listitem>
46 <para>
47 Download (HTTP): <ulink url="&firefox-download-http;"/>
48 </para>
49 </listitem>
50 <listitem>
51 <para>
52 Download (FTP): <ulink url="&firefox-download-ftp;"/>
53 </para>
54 </listitem>
55 <listitem>
56 <para>
57 Download MD5 sum: &firefox-md5sum;
58 </para>
59 </listitem>
60 <listitem>
61 <para>
62 Download size: &firefox-size;
63 </para>
64 </listitem>
65 <listitem>
66 <para>
67 Estimated disk space required: &firefox-buildsize;
68 </para>
69 </listitem>
70 <listitem>
71 <para>
72 Estimated build time: &firefox-time;
73 </para>
74 </listitem>
75 </itemizedlist>
76
77 <bridgehead renderas="sect3">Additional Downloads</bridgehead>
78 <itemizedlist spacing="compact">
79 <listitem>
80 <para>
81 Required patch:
82 <ulink url="&patch-root;/firefox-&firefox-version;esr-buildfix-1.patch"/>
83 </para>
84 </listitem>
85 <listitem>
86 <para>
87 Recommended patch:
88 <ulink url="&patch-root;/firefox-&firefox-version;esr-disable_rust_test-1.patch"/>
89 </para>
90 </listitem>
91 </itemizedlist>
92
93 <note>
94 <para>
95 The directory name is firefox-&firefox-version;
96 </para>
97
98 <para>
99 Extracting the tarball
100 will reset the permissions of the current directory to 0755 if you
101 have permission to do that. If you do this in a directory where
102 the sticky bit is set, such
103 as <filename class="directory">/tmp</filename> it will end with error
104 messages:
105 </para>
106
107<literallayout>tar: .: Cannot utime: Operation not permitted
108tar: .: Cannot change mode to rwxr-xr-t: Operation not permitted
109tar: Exiting with failure status due to previous errors
110</literallayout>
111
112 <para>
113 This does finish with non-zero status, but it does
114 <emphasis>NOT</emphasis> mean there is a real problem.
115 Do not untar as the <systemitem class="username">root</systemitem> user
116 in a directory where the sticky bit is set - that will unset it.
117 </para>
118
119 <para>
120 As with other large packages which use C++ (or rust), the SBU times
121 to build this vary more widely than you might expect. The build times
122 will increase significantly if your machine has to swap.
123 </para>
124
125 <!-- commented, by 78.0 it seems to work reliably
126 <para>
127 The mach build system (Python scripts) can be somewhat unreliable: if
128 the build fails and reports an Error, it can still return a status of
129 success, causing a scripted build to try to install (which does not rerun
130 the build), fail during the preparations for installing, but still exit
131 with a status of success. Also, on occasion it may limit itself to only
132 running one set of jobs - that will make the build take about 3 times as
133 long as running with four sets of jobs.
134 </para>-->
135
136 <para>
137 Although upstream prefer to use <application>PulseAudio</application>,
138 for the moment <application>Alsa</application> can still be used. Both
139 may need runtime configuration to get sound working.
140 </para>
141 </note>
142
143 <bridgehead renderas="sect3">Firefox Dependencies</bridgehead>
144
145 <bridgehead renderas="sect4">Required</bridgehead>
146 <para role="required">
147 <xref linkend="autoconf213"/>,
148 <xref linkend="cbindgen"/>,
149 <xref linkend="dbus-glib"/>,
150 both <xref linkend="gtk3"/> and
151 <xref linkend="gtk2"/>,
152 <xref linkend="libnotify"/>,
153 <xref linkend="llvm"/> (clang, used for bindgen even if using gcc),
154 <xref linkend="nodejs"/>,
155 <xref linkend="pulseaudio"/>
156 (or
157 <xref linkend="alsa-lib"/> if you edit the mozconfig;
158 now deprecated by mozilla), in either case please read the
159 Configuration Information,
160 <!-- rustc is required by cbindgen so not needed here
161 <xref linkend="rust"/>,-->
162 <xref linkend="python3"/> (rebuilt after installing <xref linkend="sqlite"/>),
163 <xref linkend="startup-notification"/>,
164 <xref linkend="unzip"/>,
165 <xref linkend="yasm"/>, and
166 <xref linkend="zip"/>
167 </para>
168
169 <bridgehead renderas="sect4">Recommended</bridgehead>
170 <para role="recommended">
171 <xref linkend="icu"/>,
172 <xref linkend="libevent"/>,
173 <xref linkend="libvpx"/>,
174 <xref linkend="libwebp"/>,
175 <xref linkend="nasm"/>,
176 <xref linkend="nss"/>
177 </para>
178
179 <note>
180 <para>
181 If you don't install recommended dependencies, then internal copies of
182 those packages will be used. They might be tested to work, but they can
183 be out of date or contain security holes.
184 </para>
185 </note>
186
187 <bridgehead renderas="sect4">Optional</bridgehead>
188 <para role="optional">
189 <xref linkend="curl"/>,
190 <xref linkend="doxygen"/>,
191 <xref role="runtime" linkend="ffmpeg"/> (runtime, to play mov, mp3 or mp4 files),
192 <!-- <phrase revision="sysv"><ulink url="https://sourceforge.net/projects/liboauth/files/">liboauth</ulink></phrase> -->
193 <xref linkend="liboauth"/>,
194 <!--<xref linkend="openjdk"/>, Not seen in logs -->
195 <xref linkend="valgrind"/>,
196 <xref linkend="wget"/>,
197 <xref linkend="wireless_tools"/>,
198 <ulink url="https://github.com/libproxy/libproxy">libproxy</ulink>
199 </para>
200
201 <para condition="html" role="usernotes">
202 User Notes: <ulink url="&blfs-wiki;/firefox"/>
203 </para>
204 </sect2>
205
206 <sect2 role="installation">
207 <title>Installation of Firefox</title>
208
209 <para>
210 The configuration of <application>Firefox</application> is accomplished
211 by creating a <filename>mozconfig</filename> file containing the desired
212 configuration options. A default <filename>mozconfig</filename> is
213 created below. To see the entire list of available configuration options
214 (and an abbreviated description of some of them), issue <command>./mach
215 configure &amp;&amp; ./configure --help | less</command>. You may also
216 wish to review the entire file and uncomment any other desired options.
217 Create the file by issuing the following command:
218 </para>
219
220<screen><userinput>cat &gt; mozconfig &lt;&lt; "EOF"
221<literal># If you have a multicore machine, all cores will be used by default.
222
223# If you have installed (or will install) wireless-tools, and you wish
224# to use geolocation web services, comment out this line
225ac_add_options --disable-necko-wifi
226
227# API Keys for geolocation APIs - necko-wifi (above) is required for MLS
228# Uncomment the following line if you wish to use Mozilla Location Service
229#ac_add_options --with-mozilla-api-keyfile=$PWD/mozilla-key
230
231# Uncomment the following line if you wish to use Google's geolocaton API
232# (needed for use with saved maps with Google Maps)
233#ac_add_options --with-google-location-service-api-keyfile=$PWD/google-key
234
235# startup-notification is required since firefox-78
236
237# Uncomment the following option if you have not installed PulseAudio
238#ac_add_options --disable-pulseaudio
239# or uncomment this if you installed alsa-lib instead of PulseAudio
240#ac_add_options --enable-alsa
241
242# Comment out following options if you have not installed
243# recommended dependencies:
244ac_add_options --with-system-icu
245ac_add_options --with-system-libevent
246ac_add_options --with-system-libvpx
247ac_add_options --with-system-nspr
248ac_add_options --with-system-nss
249ac_add_options --with-system-webp
250
251# Do not specify the gold linker which is not the default. It will take
252# longer and use more disk space when debug symbols are disabled.
253
254# libdavid (av1 decoder) requires nasm. Uncomment this if nasm
255# has not been installed.
256#ac_add_options --disable-av1
257
258# You cannot distribute the binary if you do this
259ac_add_options --enable-official-branding
260
261# Stripping is now enabled by default.
262# Uncomment these lines if you need to run a debugger:
263#ac_add_options --disable-strip
264#ac_add_options --disable-install-strip
265
266# Disabling debug symbols makes the build much smaller and a little
267# faster. Comment this if you need to run a debugger. Note: This is
268# required for compilation on i686.
269ac_add_options --disable-debug-symbols
270
271# The elf-hack is reported to cause failed installs (after successful builds)
272# on some machines. It is supposed to improve startup time and it shrinks
273# libxul.so by a few MB - comment this if you know your machine is not affected.
274ac_add_options --disable-elf-hack
275
276# The BLFS editors recommend not changing anything below this line:
277ac_add_options --prefix=/usr
278ac_add_options --enable-application=browser
279ac_add_options --disable-crashreporter
280ac_add_options --disable-updater
281# enabling the tests will use a lot more space and significantly
282# increase the build time, for no obvious benefit.
283ac_add_options --disable-tests
284
285# The default level of optimization again produces a working build with gcc.
286ac_add_options --enable-optimize
287
288ac_add_options --enable-system-ffi
289ac_add_options --enable-system-pixman
290
291ac_add_options --with-system-jpeg
292ac_add_options --with-system-png
293ac_add_options --with-system-zlib
294
295# The following option unsets Telemetry Reporting. With the Addons Fiasco,
296# Mozilla was found to be collecting user's data, including saved passwords and
297# web form data, without users consent. Mozilla was also found shipping updates
298# to systems without the user's knowledge or permission.
299# As a result of this, use the following command to permanently disable
300# telemetry reporting in Firefox.
301unset MOZ_TELEMETRY_REPORTING
302
303mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/firefox-build-dir</literal>
304EOF</userinput></screen>
305
306 <para>
307 Compile <application>Firefox</application> by issuing the following
308 commands:
309 </para>
310
311 <para>
312 First apply a patch which works around unexplained failures on some machines
313 (a message that a python check on libgkrust.a identified 1 networking
314 function, getsockname) in the rust static library.
315 </para>
316
317<screen><userinput>patch -Np1 -i ../firefox-&firefox-version;esr-disable_rust_test-1.patch</userinput></screen>
318
319 <para>
320 Next, apply a patch that fixes compilation on systems with Wayland-1.20
321 installed:
322 </para>
323
324 <screen><userinput remap="pre">patch -Np1 -i ../firefox-&firefox-version;esr-buildfix-1.patch</userinput></screen>
325
326 <para>
327 If the geolocation APIs are needed:
328 </para>
329
330 <note>
331 <para>
332 <!-- Taken from Arch Linux - an immensely helpful link - Thanks -->
333 The Google and Mozilla API Keys below are specific to LFS. If using
334 these instructions for another distro, or if you intend to distribute
335 binary copies of the software using these instructions, please obtain
336 your own keys following the instructions located at
337 <ulink url="http://www.chromium.org/developers/how-tos/api-keys"/> and
338 <ulink url="https://location.services.mozilla.com/api"/> respectively.
339 <!-- BLFS Devs, register an account at Google with your
340 @linuxfromscratch.org email address, and I'll make you an administrator
341 for the 'Google APIs for LFS' project (where the API and OAuth keys
342 were created for use in the book).-->
343 </para>
344 </note>
345
346<screen><userinput>echo "AIzaSyDxKL42zsPjbke5O8_rPVpVrLrJ8aeE9rQ" > google-key
347echo "613364a7-9418-4c86-bcee-57e32fd70c23" > mozilla-key</userinput></screen>
348
349 <note>
350
351 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
352 href="../../xincludes/mozshm.xml"/>
353
354 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
355 href="../../xincludes/mozmach.xml"/>
356
357 </note>
358 <!--
359 <para>
360 If you are building on i686, apply a fix to prevent Internal Compiler
361 Errors in GCC-7+:
362 </para>
363
364<screen><userinput remap="pre">case $(uname -m) in
365 i?86) sed -i "562 s/mips64/i386/" gfx/skia/skia/third_party/skcms/src/Transform_inl.h ;;
366esac</userinput></screen>
367 -->
368<!--<para>
369 Apply a patch to allow this to be compiled with <xref linkend="rust"/>:
370 </para>
371
372<screen><userinput remap="pre">patch -p1 -i ../firefox-&firefox-version;esr-rustc1470-1.patch</userinput></screen>-->
373
374 <para>
375 Now invoke the Python <command>mach</command> script to compile the package.
376 </para>
377
378<screen><userinput>export CC=gcc CXX=g++ &amp;&amp;
379export MACH_USE_SYSTEM_PYTHON=1 &amp;&amp;
380export MOZBUILD_STATE_PATH=${PWD}/mozbuild &amp;&amp;
381./mach configure &amp;&amp;
382./mach build</userinput></screen>
383
384 <para>
385 The <filename>mozconfig</filename> above disables the tests because
386 they use a lot more time and disk space for no obvious benefit. If
387 you have nevertheless enabled them, you can run the tests by executing
388 <command>./mach gtest</command>. This will require a network connection,
389 and to be run from within an Xorg session - there is a popup dialog
390 when it fails to connect to ALSA (that does not create a failed test).
391 One or two tests will fail. To see the details of the failure(s) you
392 will need to log the output from that command so that you can review it.
393 </para>
394
395 <para>
396 Now, as the <systemitem class="username">root</systemitem> user:
397 </para>
398
399<screen role="root"><userinput>MACH_USE_SYSTEM_PYTHON=1 ./mach install</userinput></screen>
400
401 <para>
402 Empty the environment variables which were set above:
403 </para>
404
405<screen><userinput>unset CC CXX MACH_USE_SYSTEM_PYTHON MOZBUILD_STATE_PATH</userinput></screen>
406
407 </sect2>
408
409 <sect2 role="commands">
410 <title>Command Explanations</title>
411
412<!--<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
413 href="../../xincludes/SIOCGSTAMP.xml"/>-->
414
415 <para>
416 <command>export CC=gcc CXX=g++ ...</command>: Upstream now prefer
417 <application>clang</application> so that they can use one compiler
418 everywhere. On the X86 architectures <application>clang</application>
419 now appears to support most of the same security-hardening options as
420 <application>GCC</application>.
421 <!-- supported in llvm-11
422 but the newer
423 <literal>-fstack-clash-protection</literal> is still not supported.-->
424 With the current versions and the default flags,
425 <application>GCC</application> creates a marginally bigger build but
426 takes typically 2 SBU less time on a 4-core machine using the mozconfig
427 above.
428 </para>
429
430 <para>
431 <command>export MOZBUILD_STATE_PATH=${PWD}/mozbuild</command>: The build
432 is now supposed to tell you that it intends to create <filename
433 class="directory">~/.mozbuild</filename>, and offer you an option to
434 press &lt;ENTER&gt; to accept this, or Ctrl-C to cancel and restart the
435 build after specifying the directory. In practice, the message may not
436 appear until after &lt;ENTER&gt; is keyed, i.e. the build stalls.
437 </para>
438
439 <para>
440 That directory is used for a (probably random) telemetry identifier.
441 Creating this in the build directory, and deleting that after the
442 installation, prevents it being used. If you wish to participate in
443 telemetry, export MOZBUILD_STATE_PATH to point to its default directory
444 and remove the entry from the <filename>mozconfig</filename>.
445 </para>
446
447 <para>
448 <command>MACH_USE_SYSTEM_PYTHON=1</command>: Use the system python
449 to create a virtual environment for <command>mach</command> without
450 downloading any python wheels.
451 </para>
452
453 <para>
454 <command>./mach configure</command>: This validates the supplied
455 dependencies and the <filename>mozconfig</filename>.
456 </para>
457
458 <para>
459 <option>./mach build --verbose</option>: Use this alternative if you
460 need details of which files are being compiled, together with any C or
461 C++ flags being used. But do not add '--verbose' to the install command,
462 it is not accepted there.
463 </para>
464
465 <para>
466 <option>./mach build -jN</option>: The build should, by default, use
467 all the online CPU cores. If using all the cores causes the build to swap
468 because you have insufficient memory, using fewer cores can be faster.
469 </para>
470
471<!--
472 <para>
473 <command>mkdir -pv /usr/lib/mozilla/plugins</command>: This ensures
474 that <filename class="directory">/usr/lib/mozilla/plugins/</filename>
475 exists.
476 </para>
477
478 <para>
479 <command>ln -sv ... /usr/lib/firefox/browser</command>:
480 This command creates a symbolic link to <filename
481 class="directory">/usr/lib/mozilla/plugins</filename>. It's not really
482 needed, as <application>Firefox</application> checks <filename
483 class="directory">/usr/lib/mozilla/plugins</filename> by default, but the
484 symbolic link is made to keep all the plugins installed in one folder.
485 </para>
486-->
487
488 </sect2>
489
490 <sect2 role="configuration">
491 <title>Configuring Firefox</title>
492
493 <para>
494 If you use a desktop environment like <application>Gnome</application> or
495 <application>KDE</application> you may like to create a
496 <filename>firefox.desktop</filename> file so that
497 <application>Firefox</application> appears in the panel's menus. <!--If you
498 didn't enable startup-notification in your mozconfig change the
499 StartupNotify line to false.--> As the
500 <systemitem class="username">root</systemitem> user:
501 </para>
502
503<screen role="root"><userinput>mkdir -pv /usr/share/applications &amp;&amp;
504mkdir -pv /usr/share/pixmaps &amp;&amp;
505
506MIMETYPE="text/xml;text/mml;text/html" &amp;&amp;
507MIMETYPE="$MIMETYPE;application/xhtml+xml;application/vnd.mozilla.xul+xml" &amp;&amp;
508MIMETYPE="$MIMETYPE;x-scheme-handler/http;x-scheme-handler/https" &amp;&amp;
509
510cat &gt; /usr/share/applications/firefox.desktop &lt;&lt; EOF &amp;&amp;
511<literal>[Desktop Entry]
512Encoding=UTF-8
513Name=Firefox Web Browser
514Comment=Browse the World Wide Web
515GenericName=Web Browser
516Exec=firefox %u
517Terminal=false
518Type=Application
519Icon=firefox
520Categories=GNOME;GTK;Network;WebBrowser;
521MimeType=$MIMETYPE
522StartupNotify=true</literal>
523EOF
524
525unset MIMETYPE &amp;&amp;
526
527ln -sfv /usr/lib/firefox/browser/chrome/icons/default/default128.png \
528 /usr/share/pixmaps/firefox.png</userinput></screen>
529
530 <sect3><title>Configuration Information</title>
531
532 <para>
533 The application settings for firefox are accessible by keying
534 <command>about:config</command> in the address bar.
535 </para>
536
537 <para>
538 Occasionally, getting working sound in
539 <application>firefox</application> can be a problem. Although upstream
540 prefers pulseaudio,
541 on balance using <application>Alsa</application> may be easier.
542 </para>
543
544 <para>
545 If you enabled <application>Alsa</application> for sound, you may need
546 to alter one variable to get working sound. If you run
547 <command>firefox</command> from a term and try to play something with
548 sound you might encounter error messages like:
549 </para>
550
551 <para>
552 <literal>Sandbox: seccomp sandbox violation: pid 3941, tid 4030,
553 syscall 16, args 48 2147767296 139909894784796 0 0 0.</literal>
554 </para>
555
556 <para>
557 That was on x86_64, on i686 the syscall number is 54. To allow this
558 syscall, in <command>about:config</command> change
559 <command>security.sandbox.content.syscall_whitelist</command> to 16
560 (or 54 if using i686).
561 </para>
562
563 <para>
564 If you use <command>pulseaudio</command> in a Desktop Environment, it
565 might already be started by that DE. But if it is not, although
566 firefox-57 managed to start it, firefox-58 did not. If you run
567 <command>firefox</command> from a term and this problem is present,
568 trying to play sound will
569 encounter error messages warning <literal>Can't get cubeb
570 context!</literal>
571 </para>
572
573 <para>
574 The fix for this is to close firefox, start pulseaudio to check it
575 does start (if not, read the information on Configuring in <xref
576 linkend="pulseaudio"/>) and restart firefox to check it is working.
577 If it now works, add the following to your <filename>~/.xinitrc</filename>:
578<phrase revision="sysv">
579<literal>pulseaudio --verbose --log-target=syslog&amp;</literal></phrase>
580<phrase revision="systemd">
581<literal>pulseaudio --verbose --log-target=journald&amp;</literal></phrase>
582 (unfortunately, on some systems this does not work).
583 </para>
584
585 <para>
586 You may wish to use multiple profiles within firefox. To do that, invoke
587 firefox as <command>firefox --ProfileManager</command>. You can also
588 check which profile is currently in use from
589 <command>about:profiles</command>.
590 </para>
591
592 <para>
593 Although WebRender (using the GPU for compositing) is not used by
594 default, it now appears to work well on supported hardware (ATI, Nvidia
595 and Intel GPUs with Mesa-18 or later. For an explanation, please see
596 <ulink
597 url="https://hacks.mozilla.org/2017/10/the-whole-web-at-maximum-fps-how-webrender-gets-rid-of-jank/">hacks.mozilla.org</ulink>.
598 The only downside seems to be that on a machine with limited RAM it might
599 use more RAM.
600 </para>
601
602 <para>
603 To check if WebRender is being used, look in about:support. In the Graphics
604 section Compositing will either show 'Basic' (i.e. not in use) or
605 'WebRender'. To enable it, go to about:config and change gfx.webrender.all
606 to True. You will need to restart firefox.
607 </para>
608
609 <para>
610 It may be useful to mention the processes from firefox which can appear in
611 <command>top</command> - as well as firefox itself, there may be multiple
612 Web Content processes, and now an RDD Process (Remote Data Decoder) which
613 appears when playing web videos encoded with av1 (libdav1d). If WebRender
614 has been enabled, a GPU Process will also appear when firefox has to
615 repaint (e.g. scrolling, opening a new tab, or playing a video).
616 </para>
617
618 </sect3>
619 </sect2>
620
621 <sect2 role="content">
622 <title>Contents</title>
623
624 <segmentedlist>
625 <segtitle>Installed Programs</segtitle>
626 <segtitle>Installed Libraries</segtitle>
627 <segtitle>Installed Directory</segtitle>
628
629 <seglistitem>
630 <seg>
631 firefox
632 </seg>
633 <seg>
634 Numerous libraries, browser components, plugins, extensions, and
635 helper modules installed in /usr/lib/firefox
636 </seg>
637 <seg>
638 /usr/lib/firefox and /usr/lib/mozilla
639 </seg>
640 </seglistitem>
641 </segmentedlist>
642
643 <variablelist>
644 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
645 <?dbfo list-presentation="list"?>
646 <?dbhtml list-presentation="table"?>
647
648 <varlistentry id="firefox-prog">
649 <term><command>firefox</command></term>
650 <listitem>
651 <para>
652 is a <application>GTK+-3</application> internet browser that uses
653 the Mozilla Gecko rendering engine
654 </para>
655 <indexterm zone="firefox firefox-prog">
656 <primary sortas="b-firefox">firefox</primary>
657 </indexterm>
658 </listitem>
659 </varlistentry>
660
661 </variablelist>
662
663 </sect2>
664
665</sect1>
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