Hi I move the config file from noto-sans-cjk-fonts to fonts-config https://build.opensuse.org/package/view_file/home:ftake:branches:M17N/ fonts-config/59-family-prefer-locale-specific.conf As far as I read 60-family-prefer.conf, the preferred serif font for Chinese is not clear. (There are some sans font in preference list.) After some investigation, I set following fonts zh-cn: AR PL UMing CN zh-sg: AR PL UMing CN zh-tw: AR PL CMEXSong UMing TW zh-hk: AR PL CMEXSong UMing HK zh-mo: AR PL CMEXSong UMing HK ko: NanumMyeongjo Chinese maintainers, is this configuration appropriate?
I _guess_ that the consequence would be that, if e. g. IPA PMincho contains latin characters, then that ones will be used for given locale instead of that ones in 60-family-prefer.conf.
Well, before the problematic conf file is not installed, IPA PMincho has been used for latin characters. However, IPA* fonts does not provide good glyphs (suitable for FreeType). So following this approach:
1. adding prefered latin fonts before that cjk ones to 59-family-prefer-cjk.conf
I put "Roboto Slab" before IPA* fonts. Here, the binding="strong" is important. Without it, fc-match picks IPAMincho before Roboto Slab. <match target="pattern"> <test qual="any" name="family" compare="eq"> <string>serif</string> </test> <test name="lang" compare="eq"> <string>ja</string> </test> <edit name="family" mode="prepend" binding="strong"> <!-- use latin font for non Japanese characters --> <string>Roboto Slab</string> <string>IPAPMincho</string> <string>IPAexMincho</string> </edit> </match> I am finding the best latin font used with IPA* fonts. BTW, 60-family-prefer.conf is still important when CJK character is used under non-CJK environment where LC_CTYPE is, for example, en. Fuminobu TAKEYAMA On 2016/09/07 16:41, Petr Gajdos wrote:
Fuminobu,
On Wed, Sep 07, 2016 at 02:13:17AM +0900, Fuminobu TAKEYAMA wrote:
Thank you for using your time for this help. I am sorry. I just wanted to ask the intention (requirement) of the latest package, which force to use Noto Sans as a serif font.
You do not need to sorry, your mail was actally that one which kick me to understand.
I vaguely remember there was a problem with overlapping unicode points in CJK. Perhaps Japanese variant of noto cjk ttc was chosen just because of alphabet order even for chinese text, or so. But I had not participated on the solution of the problem, so I do not know about it more.
As a quick fix for 42.2 and Tumbleweed, I will remove the following part from the config file: (1) appending Noto Sans CJK JP/SC/TC/KR to serif (2) appending Noto Sans (Mono) CJK Japanese to sans-serif (monospace) respectively
Just to be correct, _prepending_. Appending is also possible via append/<accept> alias.
About (2), we have discussed on the previous thread. We do not make it default sans/monospace for Japanese for now when the package is manually installed.
That is one option, as you say, quick. But let me propose a permanent solution and be critical.
What about somewhat copy the idea of 59-noto-sans-cjk.conf and generalize it, say to 59-family-prefer-cjk.conf, or maybe even 59-family-prefer-lang.conf for matter of future requests. I. e. introduce language specific variants of default preference lists and prepend them to that in 60-family-prefer.conf.
<!-- Japanese --> <match target="pattern"> <test qual="any" name="family" compare="eq"> <string>sans-serif</string> </test> <test name="lang" compare="eq"> <string>ja</string> </test> <edit name="family" mode="prepend"> <string>IPA PGothic</string> [.. another families better then noto ..] <string>Noto Sans CJK JP</string> [.. another families worse then noto ..] </edit> </match> <match target="pattern"> <test qual="any" name="family" compare="eq"> <string>serif</string> </test> <test name="lang" compare="eq"> <string>ja</string> </test> <edit name="family" mode="prepend"> <string>IPA PMincho</string> [.. another families ..] </edit> </match> <match target="pattern"> <test qual="any" name="family" compare="eq"> <string>monospace</string> </test> <test name="lang" compare="eq"> <string>ja</string> </test> <edit name="family" mode="prepend"> <string>IPA Gothic</string> [.. another families better then noto ..] <string>Noto Sans Mono CJK JP</string> [.. another families worse then noto ..] </edit> </match>
The same way for another languages, for now just Korean and Chinese.
Of course, these families could be then removed from 60-family-prefer.conf and the rest of lists in there could be perhaps reviewed and lightened a bit.
Because of 59- prefix it would be read after 56-user.conf (user conf from custom fonts.conf) and after 58-family-prefer-local.conf (fonts-config written configuration derived from /etc/sysconfig/fonts-config), it should not override the settings there.
I _guess_ that the consequence would be that, if e. g. IPA PMincho contains latin characters, then that ones will be used for given locale instead of that ones in 60-family-prefer.conf. YOU, C J and K guys need to decide if it is wrong for you or not. If not, that can be perhaps easily solved by (not sure what would be better):
1. adding prefered latin fonts before that cjk ones to 59-family-prefer-cjk.conf 2. remove surely all fonts from 60-family-prefer.conf that contains CJK characters and exchange order of 59-family-prefer-lang.conf and 60-family-prefer.conf, i. e. 59-family-prefer.conf and 60-family-prefer-lang.conf.
I would prefer the first variant slightly, when there would not be high duplication of 60-family-prefer.conf for each locale (one or two fonts at maximum). Each lang would have a freedom to decide which latin font match best in addition to their CJK-font-preference.
DISCLAIMER: all of this I wrote from top of my head, so sorry when I talk rubbish. Needs to be tested for sure.
Maybe I misunderstood some current situation. I will do more investigation e.g. fonts-config really works with the Noto's config file or not.
I do not think you misunderstood something. I recently unsubscribed as maintainer/bugowner of fontconfig/fonts-config for openSUSE because of the reasons I have already wrote in my previous email.
If you would like to take partly over, I will return myself as comaintainer with you.
Thanks, Petr
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