[1 mod] U+0311 Combining inverted breve should have zero width

Bug #671522 reported by Denis Moyogo Jacquerye
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Ubuntu Font Family
Medium
Unassigned
fonts-ubuntu (Ubuntu)
Undecided
Unassigned

Bug Description

U+0311 Combining inverted breve is in the Unicode category "Mark, Non-Spacing".
It is a non-spacing character and should therefore have zero-width.

If it is used it should overlap the previous character. When GPOS features for marks are added it should be positioned with anchors on base characters.

Revision history for this message
Denis Moyogo Jacquerye (moyogo) wrote :
summary: - U+0311 Combining inverted breve should have zero width
+ [1 mod] U+0311 Combining inverted breve should have zero width
Changed in ubuntu-font-family:
status: New → Triaged
importance: Undecided → Medium
tags: added: uff-dmi
Changed in ubuntu-font-family:
milestone: none → 0.92-beta-test
Changed in ubuntu-font-family:
status: Triaged → In Progress
Revision history for this message
Matthew Paul Thomas (mpt) wrote :

I can't reproduce this problem in version 0.80. I used this command:

pango-view --font="Ubuntu 48" --markup --text='<span fallback="false"> ȏo ȎO</span>'

The inverted breves appeared over top of the letters as expected. Denis or anyone else, if the problem still exists, could you please provide steps to reproduce it?

Changed in ubuntu-font-family:
status: In Progress → Incomplete
Revision history for this message
Denis Moyogo Jacquerye (moyogo) wrote :

> The inverted breves appeared over top of the letters as expected. Denis or
> anyone else, if the problem still exists, could you please provide steps
> to reproduce it?

Recent font shapers ignore the advance width of combining marks. This wasn’t the case in 2010 when this was reported.
One should be able to reproduce the bug in 10.10 for example.

The advance width has been fixed in the current release candidate.

Changed in ubuntu-font-family:
status: Incomplete → Fix Committed
Adolfo Jayme (fitojb)
Changed in fonts-ubuntu (Ubuntu):
status: New → Triaged
To post a comment you must log in.
This report contains Public information  Edit
Everyone can see this information.

Other bug subscribers