129 lines
4.5 KiB
Markdown
129 lines
4.5 KiB
Markdown
# libX11 - Core X11 protocol client library
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Documentation for this library can be found in the included man pages,
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and in the Xlib spec from the specs subdirectory, also available at:
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- https://www.x.org/releases/current/doc/libX11/libX11/libX11.html
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- https://www.x.org/releases/current/doc/libX11/libX11/libX11.pdf
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and the O'Reilly Xlib books, which they have made freely available online,
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though only for older versions of X11:
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- X Series Volume 2: Xlib Reference Manual (1989, covers X11R3)
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https://www.archive.org/details/xlibretmanver1102nyemiss
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- X Series Volume 2: Xlib Reference Manual, 2nd Edition (1990, covers X11R4)
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https://www.archive.org/details/xlibrefmanv115ed02nyemiss
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All questions regarding this software should be directed at the
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Xorg mailing list:
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https://lists.x.org/mailman/listinfo/xorg
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The primary development code repository can be found at:
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https://gitlab.freedesktop.org/xorg/lib/libX11
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Please submit bug reports and requests to merge patches there.
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For patch submission instructions, see:
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https://www.x.org/wiki/Development/Documentation/SubmittingPatches
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## Release 1.8.1
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* Fix --enable-thread-safety-constructor configure option
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## Release 1.8
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* Add --enable-thread-safety-constructor configure option (default: enabled)
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to call XInitThreads() from the library's constructor, thus enabling
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thread-safety and locking by default. This may expose bugs in clients
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which did not follow documented rules for calling libX11 functions.
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* Fix Ethopian (am_ET.UTF-8) compose sequences.
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* Remove 8 compose sequences that generated the input symbols.
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* Add compose seuences for abovedot (\<period\> \<space\>),
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diaeresis (\<quotedbl\> \<space\>), and ogonek (\<semicolon\> \<space\>).
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## Release 1.7.5
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* Avoids a segfault when an invalid name is used for opening a display.
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## Release 1.7.4
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* Fixes the "Unknown sequence number" error by allowing backward jumps
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in the sequence number when widening it.
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* Any changes to virtual modifiers get propagated properly.
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* Greek case-conversion tables were updated to Unicode Data 14.0.
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* Compose sequences for ☮ 🄯 ⇐ ⇑ ⇓ were added,
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being the following: OY, ()), =<, =^, and =v.
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* Hammer-and-sickle can be composed with question mark plus backslash.
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## Release 1.7.3
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* Fixes a hanging issue in _XReply() where the replying thread would
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wait for an event when another thread was already waiting for one.
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* Avoids a crash when the X connection gets broken while closing down.
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## Release 1.7.2
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This is a bug fix release, correcting a regression introduced by and
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improving the checks from the fix for CVE-2021-31535.
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## Release 1.7.1
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This is a bug fix release, including a security fix for
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CVE-2021-31535, nls and documentation corrections.
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* Reject string longer than USHRT_MAX before sending them on the wire
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* Fix out-of-bound access in KeySymToUcs4()
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* nls: allow composing all breved letters also with a lowercase "u"
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* nls: add 'C.utf8' as an alias for 'en_US.UTF-8'
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* Nroff code fixes
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* Comments fixes
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## Release 1.7.0
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Version 1.7.0 includes a new API, hence the change from the 1.6 series
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to 1.7:
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* XSetIOErrorExitHandler which provides a mechanism for applications
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to recover from I/O error conditions instead of being forced to
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exit. Thanks to Carlos Garnacho for this.
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This release includes a bunch of bug fixes, some of which have been
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pending for over three years:
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* A bunch of nls cleanups to remove obsolete entries and clean up
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formatting of the list. Thanks to Benno Schulenberg for these.
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* Warning fixes and other cleanups across a huge swath of the
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library. Thanks to Alan Coopersmith for these.
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* Memory allocation bugs, including leaks and use after free in the
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locale code. Thanks to Krzesimir Nowak, Jacek Caban and Vittorio
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Zecca for these.
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* Thread safety fixes in the locale code. Thanks to Jacek Caban for
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these.
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* poll_for_response race condition fix. Thanks to Frediano Ziglio for
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the bulk of this effort, and to Peter Hutterer for careful review
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and improvements.
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Version 1.7.0 includes a couple of new locales:
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* ia and ie locales. Thanks to Carmina16 for these.
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There are also numerous compose entries added, including:
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* |^ or ^| for ↑, |v or v| for ↓, ~~ for ≈. Thanks to Antti
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Savolainen for this.
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* Allowing use of 'v' for caron, in addition to 'c', so things like
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vC for Č, vc for č. Thanks to Benno Schulenberg for this.
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* Compose sequences LT, lt for '<', and GT, gt for '>' for keyboards
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where those are difficult to access. Thanks to Jonathan Belsewir
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for this.
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