[Bug 589974] New: cjkuni-uming-fonts .conf file breaks font lookup by lang

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Summary: cjkuni-uming-fonts .conf file breaks font lookup by lang

https://bugzilla.redhat.com/show_bug.cgi?id=589974

           Summary: cjkuni-uming-fonts .conf file breaks font lookup by
                    lang
           Product: Fedora
           Version: rawhide
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: low
         Component: cjkuni-fonts
        AssignedTo: cchance(a)redhat.com
        ReportedBy: caolanm(a)redhat.com
         QAContact: extras-qa(a)fedoraproject.org
                CC: cchance(a)redhat.com, phuang(a)redhat.com,
                    fonts-bugs(a)lists.fedoraproject.org
    Classification: Fedora
    Target Release: ---


Description of problem:
Once cjkuni-uming-fonts is installed fc-match :lang=zh-cn stops working. i.e.
when querying for a font by zh-* language you get fonts that don't support
those languages.

Version-Release number of selected component (if applicable):
cjkuni-uming-fonts-0.2.20080216.1-37.fc13.noarch

How reproducible:
100%

Steps to Reproduce:

1. start without any cjkuni-*-fonts installed
2. install some other zh supporting fonts, e.g. yum install wqy-zenhei-fonts
3. LANG=C fc-match ":lang=zh-cn"
wqy-zenhei.ttc: "WenQuanYi Zen Hei" "Regular"
4. yum -y install cjkuni-uming-fonts
3. LANG=C fc-match ":lang=zh-cn"
DejaVuSans.ttf: "DejaVu Sans" "Book"
and that font does not support zh-cn
5. mv /etc/fonts/conf.d/64-ttf-arphic-uming.conf /tmp
6. LANG=C fc-match ":lang=zh-cn"
wqy-zenhei.ttc: "WenQuanYi Zen Hei" "Regular"

i.e. /etc/fonts/conf.d/64-ttf-arphic-uming.conf causes this, looking closer at
it I see..

<test name="lang" compare="contains">
  <string>zh</string>
</test>
<edit name="family" mode="prepend" binding="strong">
  <string>Bitstream Vera Sans</string>
  <string>DejaVu Sans</string>
  <string>AR PL UMing HK</string>
  <string>AR PL UMing CN</string>
</edit>

This looks bogus to me. prepend Bitstream and DejaVu to the list (if I'm
reading this right) when the language is zh* ? Surely it should at least be...

<edit name="family" mode="prepend" binding="strong">
  <string>AR PL UMing HK</string>
  <string>AR PL UMing CN</string>
</edit>

Doing that I get...

LANG=C fc-match ":lang=zh-cn"
uming.ttc: "AR PL UMing HK" "Light"

which makes a lot more sense.

Perhaps the .conf should also do more precise matching to suggest the HK
variant for traditional zh language tags and the CN one for simplified zh
language tags

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

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https://bugzilla.redhat.com/show_bug.cgi?id=589974

Caolan McNamara <caolanm(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |besfahbo(a)redhat.com

--- Comment #1 from Caolan McNamara <caolanm(a)redhat.com&gt; 2010-05-07 08:47:41 EDT
---
caolanm->behdad: Am I right here ?

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=589974

Jens Petersen <petersen(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|low                         |medium
                 CC|                            |i18n-bugs(a)lists.fedoraproje
                   |                            |ct.org,
                   |                            |petersen(a)redhat.com,
                   |                            |tagoh(a)redhat.com
            Version|rawhide                     |13

--- Comment #2 from Jens Petersen <petersen(a)redhat.com&gt; 2010-05-21 00:04:48 EDT ---
This doesn't look so good: I think we need to investigate.

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=589974

Akira TAGOH <tagoh(a)redhat.com&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pwu(a)redhat.com

--- Comment #3 from Akira TAGOH <tagoh(a)redhat.com&gt; 2010-05-21 01:15:53 EDT ---
I should already pointed out that on the bug and the list Peng Wu posted about
reorganizing Chinese fonts thing. actually those bogus rules are being dropped
in the proposed configuration files -
http://pwu.fedorapeople.org/fonts-conf/65-0-ttf-arphic-uming.conf

Peng Wu, that would be good time to push those updates.

FYI.

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

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https://bugzilla.redhat.com/show_bug.cgi?id=589974

--- Comment #4 from Peng Wu <pwu(a)redhat.com&gt; 2010-05-24 01:59:51 EDT ---
Hi Akira TAGOH,
  I will push the updates for UMing/UKai and WQY soon. Thanks for the review.
  The next comment will describes the changes to UMing/UKai.

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

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https://bugzilla.redhat.com/show_bug.cgi?id=589974

--- Comment #5 from Peng Wu <pwu(a)redhat.com&gt; 2010-05-24 02:14:37 EDT ---
In Simplified Chinese (SC for short) and Traditional Chinese (TC for short),
many characters has different writing styles, so it has better use different
fonts for SC and TC.
In order to provides better fonts for SC and TC users, UMing will be the
default font for TC, and ZenHei will be the default font for SC.

The purpose of this change is:
  1. When use Simplified Chinese locale to login Fedora gdm, all default
desktop fonts will use WenQuanYi;
  2. When use Traditional Chinese locale to login Fedora gdm, all default
desktop fonts will use UMing.

For cjkuni-fonts-uming:

The needed changes for cjkuni-fonts-uming is:
1. Please remove the following fontconfig files from cjkuni-fonts-uming:
35-ttf-arphic-uming-aliases.conf 41-ttf-arphic-uming.conf
64-ttf-arphic-uming.conf.
2. And add the 65-0-ttf-arphic-uming.conf to UMing fontconfig file.

For cjkuni-fonts-ukai:

The needed changes for cjkuni-fonts-ukai is:
1. Please remove the following fontconfig files from cjkuni-fonts-ukai:
35-ttf-arphic-ukai-aliases.conf 41-ttf-arphic-ukai.conf
75-ttf-arphic-ukai-select.conf.

I think most files removed is kept for legacy reason, if there are no explicit
reason to keep them, will clean up these fontconfig files.

For more details and reasons, please see also README.en on
http://pwu.fedorapeople.org/fonts-conf.

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=589974

--- Comment #6 from Fedora Update System <updates(a)fedoraproject.org&gt; 2010-05-27
03:27:10 EDT ---
cjkuni-fonts-0.2.20080216.1-42.fc13 has been submitted as an update for Fedora
13.
http://admin.fedoraproject.org/updates/cjkuni-fonts-0.2.20080216.1-42.fc13

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

[Red Hat Bugzilla]

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comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=589974

--- Comment #7 from Fedora Update System <updates(a)fedoraproject.org&gt; 2010-05-27
14:36:48 EDT ---
cjkuni-fonts-0.2.20080216.1-42.fc13 has been pushed to the Fedora 13 stable
repository.  If problems still persist, please make note of it in this bug
report.

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[Bug 589974] cjkuni-uming-fonts .conf file breaks font lookup by lang

[Red Hat Bugzilla]

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug.


https://bugzilla.redhat.com/show_bug.cgi?id=589974

Fedora Update System <updates(a)fedoraproject.org&gt; changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
   Fixed In Version|                            |cjkuni-fonts-0.2.20080216.1
                   |                            |-42.fc13
         Resolution|                            |ERRATA

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