In Chrome/Blink we need a way to explicitly select a color emoji font in order to display emoji in the correct presentation form: text presentation or emoji presentation. (as opposed to finding a non-color, outline font through regular character fallback without an "needs-color-emoji-font" hint) Android handles this through a special locale "und-Zsye" and finding a matching font for an emoji character while specifying this locale at the same time. This approach is somewhat in line with the proposed extensions to UTR #51: http://www.unicode.org/reports/tr51/proposed.html#Emoji_Script
Or just add a new generic family named "emoji"? Is CSS doing something like that?
We also need this in pango. I suggest using the generic family name "emoji". Not sure if CSS has done that... https://bugzilla.gnome.org/show_bug.cgi?id=785566
Yes, https://drafts.csswg.org/css-fonts-4/#emoji-def
Cool. There's these that we don't support currently: """""""" system-ui This generic font family is intended to let text render with the default user interface font on the platform on which the UA is running. A cross-platform UA should use different fonts on its different supported platforms. The purpose of system-ui is to allow web content to integrate with the look and feel of a native app. On platforms which have a collection of system user interface fonts (e.g. for different languages), user agents may treat system-ui as a virtual font which encompasses all the platform user interface fonts. However, if this is done, the details of the virtual font must not be visible or detectable. emoji This font family is intended for use with emoji characters. math This font family is intended for use with mathematical expressions. fangsong This font family is used for fang song typefaces in Chinese. """""""" Emoji and math are easy to implement. system-ui, I don't know how to do.
If there are any way to categrize them systematically and/or mechanically, I want to integrate it into Bug#29497 and https://cgit.freedesktop.org/~tagoh/fontconfig/commit/?h=panose-sfamilyclass-support&id=a1f249360b76526a801df7213497c960a9c969fe branch. that may makes sense rather than modifying "family" property as they are classified to them.
(In reply to Akira TAGOH from comment #5) > If there are any way to categrize them systematically and/or mechanically, I > want to integrate it into Bug#29497 and > https://cgit.freedesktop.org/~tagoh/fontconfig/commit/?h=panose-sfamilyclass- > support&id=a1f249360b76526a801df7213497c960a9c969fe branch. that may makes > sense rather than modifying "family" property as they are classified to them. That's a much bigger change. I prefer to follow our existing method of using family name for now, until we find a better way. Plus, we should not mark non-color emoji fonts as "emoji". Or at least, they should be lower in the priority list.
Most easier way to do this may be to add the sort of this as the configuration: <match target="scan"> <test name="charset"> <name>charset</name> <charset> ..... </charset> </test> <test name="color"> <bool>true</bool> </test> <edit name="family" mode="append"> <string>emoji</string> </edit> </match> we could generate the charset of "emoji" from emoji-data.txt from Unicode.org or manage by hand to have the sort of subset of emoji that may be most-used one. FWIW requring <name> element is somewhat not intuitive... and need to shut up the multiple value in test warning.
Fixed: :...skipping... commit d7f3437ade668c60a7e31f93669b73680be6512a (HEAD -> master, origin/master) Author: Behdad Esfahbod <behdad@behdad.org> Date: Mon Jul 31 17:17:16 2017 +0100 Add generic family matching for "emoji" and "math" Fixes https://bugs.freedesktop.org/show_bug.cgi?id=94551 diff --git a/conf.d/45-generic.conf b/conf.d/45-generic.conf new file mode 100644 index 0000000..d3f6277 --- /dev/null +++ b/conf.d/45-generic.conf @@ -0,0 +1,67 @@ +<?xml version="1.0"?> +<!DOCTYPE fontconfig SYSTEM "fonts.dtd"> +<fontconfig> +<!-- Keep in sync with 60-generic.conf --> + +<!-- Emoji --> + <alias binding="same"> + <family>EmojiTwo</family> + <default><family>emoji</family></default> + </alias> + <alias binding="same"> + <family>EmojiOne</family> + <default><family>emoji</family></default> + </alias> + <alias binding="same"> + <family>Noto Color Emoji</family> <!-- Google --> + <default><family>emoji</family></default> + </alias> + <alias binding="same"> + <family>Apple Color Emoji</family> <!-- Apple --> + <default><family>emoji</family></default> + </alias> + <alias binding="same"> + <family>Segoe UI Emoji</family> <!-- Microsoft --> + <default><family>emoji</family></default> + </alias> + <alias binding="same"> + <family>Noto Emoji</family> <!-- Google --> + <default><family>emoji</family></default> + </alias> + <alias binding="same"> + <family>Android Emoji</family> <!-- Google --> + <default><family>emoji</family></default> + </alias> + +<!-- Math --> + <!-- https://en.wikipedia.org/wiki/Category:Mathematical_OpenType_typefaces --> + <alias binding="same"> + <family>XITS Math</family> <!-- Khaled Hosny --> + <default><family>math</family></default> + </alias> + <alias binding="same"> + <family>STIX Two Math</family> <!-- AMS --> + <default><family>math</family></default> + </alias> + <alias binding="same"> + <family>Cambria Math</family> <!-- Microsoft --> + <default><family>math</family></default> + </alias> + <alias binding="same"> + <family>Latin Modern Math</family> <!-- TeX --> + <default><family>math</family></default> + </alias> + <alias binding="same"> + <family>Minion Math</family> <!-- Adobe --> + <default><family>math</family></default> + </alias> + <alias binding="same"> + <family>Lucida Math</family> <!-- Adobe --> + <default><family>math</family></default> + </alias> + <alias binding="same"> + <family>Asana Math</family> + <default><family>math</family></default> + </alias> + +</fontconfig> diff --git a/conf.d/60-generic.conf b/conf.d/60-generic.conf new file mode 100644 index 0000000..24b7466 --- /dev/null +++ b/conf.d/60-generic.conf @@ -0,0 +1,37 @@ +<?xml version="1.0"?> +<!DOCTYPE fontconfig SYSTEM "fonts.dtd"> +<fontconfig> +<!-- Keep in sync with 45-generic.conf --> + +<!-- Emoji --> + <alias binding="same"> + <family>emoji</family> + <prefer> + <family>EmojiTwo</family> + <family>EmojiOne</family> + <!-- System fonts --> + <family>Noto Color Emoji</family> <!-- Google --> + <family>Apple Color Emoji</family> <!-- Apple --> + <family>Segoe UI Emoji</family> <!-- Microsoft --> + <!-- Non-color --> + <family>Noto Emoji</family> <!-- Google --> + <family>Android Emoji</family> <!-- Google --> + </prefer> + </alias> + +<!-- Math --> + <alias binding="same"> + <!-- https://en.wikipedia.org/wiki/Category:Mathematical_OpenType_typefaces --> + <family>math</family> + <prefer> + <family>XITS Math</family> <!-- Khaled Hosny --> + <family>STIX Two Math</family> <!-- AMS --> + <family>Cambria Math</family> <!-- Microsoft --> + <family>Latin Modern Math</family> <!-- TeX --> + <family>Minion Math</family> <!-- Adobe --> + <family>Lucida Math</family> <!-- Adobe --> + <family>Asana Math</family> + </prefer> + </alias> + +</fontconfig> diff --git a/conf.d/Makefile.am b/conf.d/Makefile.am index ac68cd1..fd50a5d 100644 --- a/conf.d/Makefile.am +++ b/conf.d/Makefile.am @@ -32,10 +32,12 @@ CONF_LINKS = \ 30-urw-aliases.conf \ 30-metric-aliases.conf \ 40-nonlatin.conf \ + 45-generic.conf \ 45-latin.conf \ 49-sansserif.conf \ 50-user.conf \ 51-local.conf \ + 60-generic.conf \ 60-latin.conf \ 65-fonts-persian.conf \ 65-nonlatin.conf \ @@ -71,10 +73,12 @@ template_DATA = \ 30-urw-aliases.conf \ 30-metric-aliases.conf \ 40-nonlatin.conf \ + 45-generic.conf \ 45-latin.conf \ 49-sansserif.conf \ 50-user.conf \ 51-local.conf \ + 60-generic.conf \ 60-latin.conf \ 65-fonts-persian.conf \ 65-khmer.conf \
(In reply to Akira TAGOH from comment #7) > Most easier way to do this may be to add the sort of this as the > configuration: > > <match target="scan"> > <test name="charset"> > <name>charset</name> > <charset> > ..... > </charset> > </test> > <test name="color"> > <bool>true</bool> > </test> > <edit name="family" mode="append"> > <string>emoji</string> > </edit> > </match> That's an interesting approach indeed! I'm open to doing that. Move the color test first though, that's faster. > we could generate the charset of "emoji" from emoji-data.txt from > Unicode.org or manage by hand to have the sort of subset of emoji that may > be most-used one. > > FWIW requring <name> element is somewhat not intuitive... and need to shut > up the multiple value in test warning.
(In reply to Behdad Esfahbod from comment #9) > (In reply to Akira TAGOH from comment #7) > > Most easier way to do this may be to add the sort of this as the > > configuration: > > > > <match target="scan"> > > <test name="charset"> > > <name>charset</name> > > <charset> > > ..... > > </charset> > > </test> > > <test name="color"> > > <bool>true</bool> > > </test> > > <edit name="family" mode="append"> > > <string>emoji</string> > > </edit> > > </match> > > That's an interesting approach indeed! I'm open to doing that. Move the > color test first though, that's faster. Going down this route I think we should just define emoji as a language and let the fc-lang facility take care of it. Then in the config, we can prepend language emoji if family emoji is requested. We can also add a test for color and set it to true if unspecified in the pattern, to prefer color fonts for emoji.
(In reply to Behdad Esfahbod from comment #10) > Going down this route I think we should just define emoji as a language and > let the fc-lang facility take care of it. Then in the config, we can > prepend language emoji if family emoji is requested. We can also add a test > for color and set it to true if unspecified in the pattern, to prefer color > fonts for emoji. sounds good through, then the problem comes in mind would be what codepoints should be in emoji.orth. there are no way to match things proportionally. only all or nothing method.
In this solution, I'd prefer modifying fc_lang or other fields over modifying the name field.
I think I like adding language orthography files for emoji and math. What to call them? emoji and math? Or is there a BCP 47 language code for those? Then, keep the existing emoji and math config, but also prepend the language in the config. This will make sure the curated fonts are used if present, but if not, any other emoji / math font available will be chosen. For emoji, we will also set FC_COLOR to true if not set, to prefer color emoji fonts over non-color. Akira, does this sound good? Of course, I have to try it and make sure it works.
Yes, sounds good. if we follow on BCP47, we could use Zsye for emoji and Zmth for math.
https://cgit.freedesktop.org/~tagoh/fontconfig/commit/?h=emoji proposed patch to support Emoji in lang
orth file is based on Unicode 9.0. I didn't see working with 10.0. Noto Color Emoji font seems not yet satisfying 10.0. not testing for other emoji fonts... we may need to polish the orth much more perhaps.
BTW I don't know why we keep using the system caches first... well, containing different contents in caches is usually unlikely to happen. but we often see during development. even though no need to bump the cache version to add new orth, we could easily got confused if fontconfig prefer to use a first cache. I prefer to apply the change like this to make me happy...: diff --git a/fonts.conf.in b/fonts.conf.in index 7c16a70..d8de4c8 100644 --- a/fonts.conf.in +++ b/fonts.conf.in @@ -72,8 +72,8 @@ <!-- Font cache directory list --> - <cachedir>@FC_CACHEDIR@</cachedir> <cachedir prefix="xdg">fontconfig</cachedir> + <cachedir>@FC_CACHEDIR@</cachedir> <!-- the following element will be removed in the future --> <cachedir>~/.fontconfig</cachedir>
(In reply to Akira TAGOH from comment #17) > BTW I don't know why we keep using the system caches first... well, > containing different contents in caches is usually unlikely to happen. but > we often see during development. even though no need to bump the cache > version to add new orth, we could easily got confused if fontconfig prefer > to use a first cache. I prefer to apply the change like this to make me > happy...: > > diff --git a/fonts.conf.in b/fonts.conf.in > index 7c16a70..d8de4c8 100644 > --- a/fonts.conf.in > +++ b/fonts.conf.in > @@ -72,8 +72,8 @@ > > <!-- Font cache directory list --> > > - <cachedir>@FC_CACHEDIR@</cachedir> > <cachedir prefix="xdg">fontconfig</cachedir> > + <cachedir>@FC_CACHEDIR@</cachedir> > <!-- the following element will be removed in the future --> > <cachedir>~/.fontconfig</cachedir> Don't know the implications. Doesn't this make it build ~root/ caches instead of system caches when run as root?
(In reply to Akira TAGOH from comment #14) > Yes, sounds good. if we follow on BCP47, we could use Zsye for emoji and > Zmth for math. But those are script tags. So we'd need something like x-Zmth etc?
(In reply to Akira TAGOH from comment #16) > orth file is based on Unicode 9.0. I didn't see working with 10.0. Noto > Color Emoji font seems not yet satisfying 10.0. I'd go with a much narrower coverage. Maybe the original set only. The goal is to detect emoji fonts, and the basic set does that just fine.
(In reply to Behdad Esfahbod from comment #18) > Don't know the implications. Doesn't this make it build ~root/ caches > instead of system caches when run as root? Oh, hmm, it does. need a different behavior for non-root vs root...
For the config, call it 10-generic.conf? Also match family="emoji" and prepend language. Same for math?
(In reply to Behdad Esfahbod from comment #19) > (In reply to Akira TAGOH from comment #14) > > Yes, sounds good. if we follow on BCP47, we could use Zsye for emoji and > > Zmth for math. > > But those are script tags. So we'd need something like x-Zmth etc? right. so und-zyse and und-zmth maybe?
(In reply to Akira TAGOH from comment #23) > (In reply to Behdad Esfahbod from comment #19) > > (In reply to Akira TAGOH from comment #14) > > > Yes, sounds good. if we follow on BCP47, we could use Zsye for emoji and > > > Zmth for math. > > > > But those are script tags. So we'd need something like x-Zmth etc? > > right. so und-zyse and und-zmth maybe? Right. Ugly :D. How about just emoji and math :D.
(In reply to Behdad Esfahbod from comment #22) > For the config, call it 10-generic.conf? Also match family="emoji" and > prepend language. Same for math? doesn't it make happened more later if we want to test family="emoji" and add a language in the pattern? because you did it at 45-generic.conf so it isn't likely to see at 10-. revised a patch; orth renamed to und_zsye.orth now. config moved to 49-generic.conf. added matching of family and prepend a lang.
(In reply to Behdad Esfahbod from comment #24) > (In reply to Akira TAGOH from comment #23) > > (In reply to Behdad Esfahbod from comment #19) > > > (In reply to Akira TAGOH from comment #14) > > > > Yes, sounds good. if we follow on BCP47, we could use Zsye for emoji and > > > > Zmth for math. > > > > > > But those are script tags. So we'd need something like x-Zmth etc? > > > > right. so und-zyse and und-zmth maybe? > > Right. Ugly :D. How about just emoji and math :D. I used to use those names but need to patch out to have an exception for them... particularly in FcLangNormalize(). though they are more intuitive than BCP47 one :) I don't mind either.
(In reply to Akira TAGOH from comment #25) > (In reply to Behdad Esfahbod from comment #22) > > For the config, call it 10-generic.conf? Also match family="emoji" and > > prepend language. Same for math? > > doesn't it make happened more later if we want to test family="emoji" and > add a language in the pattern? because you did it at 45-generic.conf so it > isn't likely to see at 10-. > > revised a patch; orth renamed to und_zsye.orth now. config moved to > 49-generic.conf. added matching of family and prepend a lang. You're right. Maybe just put it in 45-generic.conf then? One fewer file...
Sure. moved into 45-generic.conf.
(In reply to Behdad Esfahbod from comment #20) > (In reply to Akira TAGOH from comment #16) > > orth file is based on Unicode 9.0. I didn't see working with 10.0. Noto > > Color Emoji font seems not yet satisfying 10.0. > > I'd go with a much narrower coverage. Maybe the original set only. The > goal is to detect emoji fonts, and the basic set does that just fine. What does the original mean here?
(In reply to Akira TAGOH from comment #29) > (In reply to Behdad Esfahbod from comment #20) > > (In reply to Akira TAGOH from comment #16) > > > orth file is based on Unicode 9.0. I didn't see working with 10.0. Noto > > > Color Emoji font seems not yet satisfying 10.0. > > > > I'd go with a much narrower coverage. Maybe the original set only. The > > goal is to detect emoji fonts, and the basic set does that just fine. > > What does the original mean here? The ones introduced in Unicode 6.0?
Okay. updated the orth.
There's also "Twitter Color Emoji" available at https://github.com/eosrei/twemoji-color-font, which supports Unicode 10 and is licensed similarly to EmojiTwo. Maybe we can prefer this one?
(In reply to Jan Alexander Steffens (heftig) from comment #32) > There's also "Twitter Color Emoji" available at > https://github.com/eosrei/twemoji-color-font, which supports Unicode 10 and > is licensed similarly to EmojiTwo. Maybe we can prefer this one? Thanks. I couldn't find a font of it before. Note that currently it's SVG-in-OpenType format only, so only works in Firefox on Linux. I'll see if I can make a CBDT/CBLT out of it. Probably wouldn't get to doing though. I don't mind putting it in the list, but for the above reason, after the other major fonts.
(In reply to Akira TAGOH from comment #31) > Okay. updated the orth. Thanks. Got orth for math as well? Don't know what should go there. :)
Speaking of Firefox, they're shipping a font named "EmojiOne Mozilla" which I think is in COLR/CPAL format. Is that format also unsupported outside of Firefox? Would it make sense to put the font name into the list?
Also the family name for the EmojiOne CBDT/CBLC font is "Emoji One", not "EmojiOne". Not sure where to get a copy of the EmojiTwo font...
(In reply to Jan Alexander Steffens (heftig) from comment #35) > Speaking of Firefox, they're shipping a font named "EmojiOne Mozilla" which > I think is in COLR/CPAL format. Is that format also unsupported outside of > Firefox? Not yet. > Would it make sense to put the font name into the list? Doing so now.
(In reply to Jan Alexander Steffens (heftig) from comment #36) > Also the family name for the EmojiOne CBDT/CBLC font is "Emoji One", not > "EmojiOne". Not sure where to get a copy of the EmojiTwo font... Fixed. Although the matcher doesn't care about space.
(In reply to Behdad Esfahbod from comment #38) > (In reply to Jan Alexander Steffens (heftig) from comment #36) > > Also the family name for the EmojiOne CBDT/CBLC font is "Emoji One", not > > "EmojiOne". Not sure where to get a copy of the EmojiTwo font... > > Fixed. Although the matcher doesn't care about space. Hmm? it does I suppose. if one wants to consider both values is same, they need to do <test ignore-blanks="yes">.
(In reply to Akira TAGOH from comment #39) > (In reply to Behdad Esfahbod from comment #38) > > (In reply to Jan Alexander Steffens (heftig) from comment #36) > > > Also the family name for the EmojiOne CBDT/CBLC font is "Emoji One", not > > > "EmojiOne". Not sure where to get a copy of the EmojiTwo font... > > > > Fixed. Although the matcher doesn't care about space. > > Hmm? it does I suppose. if one wants to consider both values is same, they > need to do <test ignore-blanks="yes">. Humm. I thought that's the default behavior. You are probably right. I was more thinking about the font matcher, not config matcher, so you have a point. Anyway, fixed already.
(In reply to Behdad Esfahbod from comment #34) > (In reply to Akira TAGOH from comment #31) > > Okay. updated the orth. > > Thanks. Got orth for math as well? Don't know what should go there. :) Hmm, me neither.. we can get some from http://www.unicode.org/Public/math/revision-15/MathClass-15.txt say, I guess extra glyphs may be included in even a classification.
Akira, I pushed your patch out. Will modify the config while testing. Re the orth file, can you comment out the default-text-presentation codepoints as well? Ie. just including Emoji_Presentation codepoints.
(In reply to Akira TAGOH from comment #41) > (In reply to Behdad Esfahbod from comment #34) > > (In reply to Akira TAGOH from comment #31) > > > Okay. updated the orth. > > > > Thanks. Got orth for math as well? Don't know what should go there. :) > > Hmm, me neither.. we can get some from > http://www.unicode.org/Public/math/revision-15/MathClass-15.txt say, I guess > extra glyphs may be included in even a classification. That's nice. Also, Khaled should know.
(In reply to Behdad Esfahbod from comment #42) > Akira, I pushed your patch out. Will modify the config while testing. Re > the orth file, can you comment out the default-text-presentation codepoints > as well? Ie. just including Emoji_Presentation codepoints. Sure. will do. comment all of them out? or apply proposed until 6.0 as well?
(In reply to Akira TAGOH from comment #44) > (In reply to Behdad Esfahbod from comment #42) > > Akira, I pushed your patch out. Will modify the config while testing. Re > > the orth file, can you comment out the default-text-presentation codepoints > > as well? Ie. just including Emoji_Presentation codepoints. > > Sure. will do. comment all of them out? or apply proposed until 6.0 as well? Until 6.0. Thanks. As it happens, not even Noto Color Emoji is detected as emoji by language coverage; so we definitely need to loosen it up.
(In reply to Behdad Esfahbod from comment #45) > As it happens, not even Noto Color Emoji is detected as emoji by language > coverage; so we definitely need to loosen it up. That is what I told you yesterday. basically adding more code points won't becomes getting more candidates because it is the sort of filter. Anyway, this happens because fontconfig preferably uses the system cache so far which doesn't contain a bit of und-zsye. for non-root, just changing the order of cache element would helps. for root, stay tuned ;)
Ah, for root, we could run fc-cache -s. so we could update the order of <cachedir>.
(In reply to Akira TAGOH from comment #46) > (In reply to Behdad Esfahbod from comment #45) > > As it happens, not even Noto Color Emoji is detected as emoji by language > > coverage; so we definitely need to loosen it up. > > That is what I told you yesterday. basically adding more code points won't > becomes getting more candidates because it is the sort of filter. I didn't say add. I said replace! Also why I said up to Unicode 6.0 only... Fixed. It works for NotoColorEmoji now. Yay. > Anyway, this happens because fontconfig preferably uses the system cache so > far which doesn't contain a bit of und-zsye. No, I was testing properly. I installed the font in my ~/.fonts/ and rebuilt the cache. > for non-root, just changing the > order of cache element would helps. for root, stay tuned ;) I don't know why you want to do that.
And tested, and it works!
The test on lang for und-zsye doesn't seem to be working though. Have not tracked down yet.
Hmm, we may be talking about different things then. though I could see the und-zsye lang in Noto Color Emoji without that change here. so I didn't see what you were trying to address.
Oh my bad then.
(In reply to Akira TAGOH from comment #47) > Ah, for root, we could run fc-cache -s. so we could update the order of > <cachedir>. Right. Yes I think we should do that.
FWIW given that we are going to add und-zmth too, we may need to have some exception for fallback not to have any other available :lang=und fonts. only accept the exact match for und.
(In reply to Akira TAGOH from comment #54) > FWIW given that we are going to add und-zmth too, we may need to have some > exception for fallback not to have any other available :lang=und fonts. only > accept the exact match for und. Right.
Ok, it all seems to be working for me now. Marking as fixed. commit cc8442dec85e9d416436d19eeae1783f2d3008f0 (HEAD -> master, origin/master) Author: Behdad Esfahbod <behdad@behdad.org> Date: Thu Aug 3 10:36:01 2017 +0100 Adjust color emoji config some more Seems to work now. Either asking for family emoji, or :lang=und-zsye returns the preferred color emoji font available, or just any color emoji font if none of the preferred ones was found.
shall we file another bug for und_zmth.orth?
(In reply to Akira TAGOH from comment #57) > shall we file another bug for und_zmth.orth? Yes. And I'm working on fixing FcLangCompare() for und-*
Thanks. I can't do anything today so will check it later.
commit 064440d59797b1158badfb9144f3188cda11a791 (HEAD -> master, origin/master) Author: Behdad Esfahbod <behdad@behdad.org> Date: Thu Aug 3 11:02:32 2017 +0100 Ignore 'und-' prefix for in FcLangCompare See https://bugs.freedesktop.org/show_bug.cgi?id=94551#c54 For example, matching for :lang=und-zsye matches emoji font, but searching for :lang=und-xyz wouldn't match an emoji font anymore. Neither does :lang-und.
(In reply to Akira TAGOH from comment #41) > (In reply to Behdad Esfahbod from comment #34) > > (In reply to Akira TAGOH from comment #31) > > > Okay. updated the orth. > > > > Thanks. Got orth for math as well? Don't know what should go there. :) > > Hmm, me neither.. we can get some from > http://www.unicode.org/Public/math/revision-15/MathClass-15.txt say, I guess > extra glyphs may be included in even a classification. Math fonts vary greatly in their coverage and there is no clear cut what a math symbol and what is not. I don’t know if MathClass-XX.txt is used in anything in practice, but I guess we can make an orthography file out of it and test it with the existing math fonts, possibly reducing it until we get them all covering math.
Thanks. Math moved here: https://bugs.freedesktop.org/show_bug.cgi?id=102026
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