[Bug 1072095] New: Liberation Sans renders most Latin combining characters incorrectly
https://bugzilla.redhat.com/show_bug.cgi?id=1072095
Bug ID: 1072095
Summary: Liberation Sans renders most Latin combining
characters incorrectly
Product: Fedora
Version: 20
Component: liberation-fonts
Assignee: psatpute(a)redhat.com
Reporter: rkaldari(a)wikimedia.org
QA Contact: extras-qa(a)fedoraproject.org
CC: fonts-bugs(a)lists.fedoraproject.org,
i18n-bugs(a)lists.fedoraproject.org,
petersen(a)redhat.com, psatpute(a)redhat.com
Created attachment 870161
--> https://bugzilla.redhat.com/attachment.cgi?id=870161&action=edit
Comparison between Helvetica, Arimo, and Liberation Sans
Description of problem:
Liberation Sans renders most Latin Unicode combining characters incorrectly.
These are the diacritics and tie characters in the Unicode range U+0300 to
U+FE2F (https://en.wikipedia.org/wiki/Combining_character). In particular:
1. The diacritics do not take into account the width or height of the paired
character (which I imagine is a kerning issue)
2. Tie characters are always positioned incorrectly. They are supposed to
visually tie two characters together, but in Liberation Sans they are simply
centered under the 2nd character.
Version-Release number of selected component (if applicable):
version 2.00.1
How reproducible:
Steps to Reproduce:
1. Install Liberation Sans
2. Go to https://en.wikipedia.org/wiki/User:Kaldari/Font_test
Actual results:
Diacritics and ties are a mess.
Expected results:
See Helvetica example in attached file.
Additional info:
The best way to understand this bug is to look at the attached file
(comparison.png).
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