d3fdaca1a9
* Fix Arabic falling back to Nastaliq in Chromium and Electron apps * Cover the widened patterns too, and leave Urdu in Nastaliq The weak binding only won the last-resort race for patterns fontconfig had not widened. Anything whose family expands through the latin and nonlatin alias chains -- Arial, Helvetica, Verdana, sans-serif, and so the bulk of real CSS -- still resolved Arabic to Kufi, a display face that suits body text no better than Nastaliq did. A strong binding wins those too. Charset matching outranks family matching either way, so a font that does not cover the codepoint still cannot be pulled in: Latin, monospace, emoji, Nerd Font glyphs and CJK all resolve as before. The untargeted rule also captured Urdu, which #6322 had deliberately left alone by scoping itself to lang=ar. Urdu is conventionally set in Nastaliq, so name it for lang=ur ahead of the Naskh append. Appended rather than prepended, or it would displace the family the app asked for and render Latin text in an Urdu locale as Nastaliq. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Mb1gPTJ6s7QyQZck7Z6F9v --------- Co-authored-by: David Heinemeier Hansson <david@hey.com> Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
127 lines
3.4 KiB
XML
127 lines
3.4 KiB
XML
<?xml version="1.0"?>
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<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
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<fontconfig>
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<match target="pattern">
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<test name="family" qual="any">
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<string>sans-serif</string>
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</test>
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<edit name="family" mode="assign" binding="strong">
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<string>Liberation Sans</string>
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</edit>
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</match>
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<match target="pattern">
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<test name="family" qual="any">
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<string>serif</string>
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</test>
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<edit name="family" mode="assign" binding="strong">
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<string>Liberation Serif</string>
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</edit>
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</match>
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<match target="pattern">
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<test name="family" qual="any">
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<string>monospace</string>
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</test>
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<edit name="family" mode="assign" binding="strong">
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<string>JetBrainsMono Nerd Font</string>
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</edit>
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</match>
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<!-- Arabic: prefer Naskh (standard Arabic) over Nastaliq (Urdu style) -->
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<match target="pattern">
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<test name="lang" compare="contains">
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<string>ar</string>
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</test>
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<edit name="family" mode="prepend" binding="strong">
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<string>Noto Naskh Arabic</string>
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</edit>
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</match>
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<!-- Urdu is conventionally set in Nastaliq, so keep it there. Without this
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the untargeted Naskh rule below would capture Urdu too. Appended rather
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than prepended so it only wins the last-resort race against that rule
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and never displaces the family the app actually asked for. -->
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<match target="pattern">
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<test name="lang" compare="contains">
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<string>ur</string>
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</test>
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<edit name="family" mode="append" binding="strong">
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<string>Noto Nastaliq Urdu</string>
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</edit>
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</match>
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<!-- Chromium and Electron resolve missing glyphs one character at a time
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without lang on the pattern, so the rules above never fire for them and
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fontconfig falls through to a raw charset scan that lands on Nastaliq
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(or on Kufi, once the latin alias chains have widened the pattern).
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Naming Naskh as a last-resort family covers that path. Appending keeps
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it behind every family the app actually asked for, and charset matching
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outranks family matching, so a font that does not cover the codepoint
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can never be pulled in: Latin, monospace, emoji, Nerd Font glyphs and
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CJK all resolve exactly as before. -->
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<match target="pattern">
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<edit name="family" mode="append" binding="strong">
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<string>Noto Naskh Arabic</string>
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</edit>
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</match>
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<alias>
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<family>system-ui</family>
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<prefer>
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<family>Liberation Sans</family>
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</prefer>
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</alias>
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<alias>
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<family>ui-monospace</family>
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<default>
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<family>monospace</family>
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</default>
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</alias>
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<alias>
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<family>-apple-system</family>
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<prefer>
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<family>Liberation Sans</family>
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</prefer>
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</alias>
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<alias>
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<family>BlinkMacSystemFont</family>
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<prefer>
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<family>Liberation Sans</family>
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</prefer>
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</alias>
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<alias>
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<family>Liberation Sans</family>
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<accept>
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<family>JetBrainsMono Nerd Font</family>
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<family>Noto Color Emoji</family>
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</accept>
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</alias>
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<alias>
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<family>sans-serif</family>
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<accept>
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<family>JetBrainsMono Nerd Font</family>
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<family>Noto Color Emoji</family>
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</accept>
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</alias>
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<alias>
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<family>serif</family>
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<accept>
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<family>Noto Color Emoji</family>
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</accept>
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</alias>
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<alias>
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<family>monospace</family>
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<accept>
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<family>Noto Color Emoji</family>
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</accept>
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</alias>
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</fontconfig>
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