665352 - classic Mongolian script shaping problem

Status: RESOLVED WORKSFORME

(Core :: Layout: Text and Fonts, defect)

Description

[tugstugi]

User-Agent:       Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:5.0) Gecko/20100101 Firefox/5.0
Build Identifier: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:5.0) Gecko/20100101 Firefox/5.0

The harfbuzz library supports already classic Mongolian script through Arabic shaper. But Firefox doesn't show classic Mongolian script correctly.

Reproducible: Always

Comment 1

[Amir Aharoni]

This is probably a duplicate of Bug 231463.

I'd love to see Firefox be the first Free Software that supports Mongolian...

Comment 2

[Simon Montagu :smontagu]

If harfbuzz has support, can we fix this by changing the value of gfx.font_rendering.harfbuzz.scripts?

Comment 3

[tugstugi]

Harfbuzz supports classic Mongolian a year ago. See here: https://bugs.freedesktop.org/show_bug.cgi?id=32274

At that time, the shaping worked in firefox. See here: https://github.com/tugstugi/mongolian-script/raw/master/misc/minefield-harfbuzz-mongolian.png

But now, it doesn't work. Setting gfx.font_rendering.harfbuzz.scripts doesn't help anymore.

Comment 4

[tugstugi]

Now, the firefox is shaping the classic Mongolian correctly. But we have to set  gfx.font_rendering.harfbuzz.scripts = 23 on Linux and  gfx.font_rendering.harfbuzz.scripts = 87 on Mac.