Conjucts like <Ka><x><sha><halanth> rendered incorrectly in Telugu, Kannada

Bug #619914 reported by arjuna rao chavala on 2010-08-18
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Pango
Fix Released
Critical
Nominated for Main by arjuna rao chavala
pango1.0 (Ubuntu)
Low
Unassigned

Bug Description

Details at upstream bug
https://bugzilla.gnome.org/show_bug.cgi?id=579398
https://bugzilla.gnome.org/show_bug.cgi?id=604060

These bug are due to pango indic shaper not doing GSUB lookups at syllable cluster level (required as per unicode). The shaper is doing lookups on the glyph sequence for the entire item being processed.

arjuna rao chavala (arjunaraoc) wrote :

Observed in Ubuntu 10.04 with gedit 2.30.0

arjuna rao chavala (arjunaraoc) wrote :

correcting the URL to include only one of the bug

Changed in pango1.0 (Ubuntu):
status: New → Triaged
importance: Undecided → Low
Changed in pango:
status: Unknown → Fix Released
arjuna rao chavala (arjunaraoc) wrote :

debdiff for cleaned up patch. Updated patch also posted upstream

tags: added: patch
Changed in pango:
importance: Unknown → Critical
arjuna rao chavala (arjunaraoc) wrote :

11.04 beta has a regression in the sense that it did not include the patch. Upstream maintainer has refused to update (Comments at pango bugs indicated in bug description), as harfbuzz-ng is under development. As there is no clarity on target date of harfbuzz-ng for indic, it will be useful to have pango updated locally within Ubuntu using the patch already submitted.

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