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Telegram Desktop messaging app
Fixes #16120. `unicode-bidi: plaintext` makes browser auto-detect base bidi direction according to bidi algorithm heuristics, on each line separately. https://drafts.csswg.org/css-writing-modes/#bidi-algo AFAICT this matches both Android and Desktop behaviors, and is the friendly behavior for mixed-direction users. Purely LTR users should not be affected — the heuristics return LTR even on "neutral" lines that contain no letters, only punctuation/emojis/digits. (http://www.unicode.org/reports/tr9/#P2 — rule P3 defaults to level 0, which is LTR.) Whereas all RTL language users in practice need to deal with mixed-direction texts, and the ability to split lines to prevent LTR/RTL mixups is extremely handy... The `text-align: start` ensures LTR-detected lines are displayed left-aligned, and RTL-detected lines right-aligned. Which again matches both Android and Desktop behaviors. This is redundant — it seems already the default with current CSS — but is important for mixed-language users, so I wanted to ensure it in case somebody sets alignment on bigger parts of the document in the future. |
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README.md |
Telegram Desktop – Official Messenger
This is the complete source code and the build instructions for the alpha version of the official desktop client for the Telegram messenger, based on the Telegram API and the MTProto secure protocol.
The source code is published under GPLv3 with OpenSSL exception, the license is available here.
Supported systems
The latest version is available for
- Windows 7 and above (64 bit) (portable)
- Windows 7 and above (32 bit) (portable)
- macOS 10.12 and above
- Linux static build for 64 bit
- Snap
- Flatpak
Old system versions
Version 2.4.4 was the last that supports older systems
Version 1.8.15 was the last that supports older systems
Third-party
- Qt 5.15.2, 5.6.2 and 5.3.2 slightly patched (LGPL)
- OpenSSL 1.1.1 and 1.0.1 (OpenSSL License)
- WebRTC (New BSD License)
- zlib 1.2.11 (zlib License)
- LZMA SDK 9.20 (public domain)
- liblzma (public domain)
- Google Breakpad (License)
- Google Crashpad (Apache License 2.0)
- GYP (BSD License)
- Ninja (Apache License 2.0)
- OpenAL Soft (LGPL)
- Opus codec (BSD License)
- FFmpeg (LGPL)
- Guideline Support Library (MIT License)
- Range-v3 (Boost License)
- Open Sans font (Apache License 2.0)
- Vazir font (SIL Open Font License 1.1)
- Emoji alpha codes (MIT License)
- Catch test framework (Boost License)
- xxHash (BSD License)
- QR Code generator (MIT License)
- CMake (New BSD License)
- Hunspell (LGPL)
Build instructions
- Windows (32-bit) (64-bit)
- macOS
- GNU/Linux using Docker