Bug#404727: [patch]: fixing Malayalam rendering issues Ref:#403404

പ്രവീണ്‍‌|Praveen pravi.a at gmail.com
Wed Dec 27 21:15:06 UTC 2006


Package: libpango1.0-0
Version: 1.14.8-3
Severity: important
X-Debbugs-CC: debian-in-workers at lists.alioth.debian.org,
indlinux-group at lists.sourceforge.net


I am one of the Malayalam language co-ordinators for debian installer.
Refering to bug Ref:#403404 reported at debian.org by Davide Viti
<zinosat AT tiscali.it> we had faced some incorrect rendering for the
language "Malayalam" (code ml) and it seems to be caused by some
recent changes to pango. The language has already been activated in
the graphical installer of debian currently in testing (etch). But for
it to be usefull as a supported language on the debian installer these
rendering issues that have been visible needed to be fixed.

These bugs were introduced by a previous patching of pango by Rahul
Bhalerao and LingNing Zhang to fix bugs in lohit_ml font for Fedora
Core 6. Debian malayalam team have been working on these issues for
some days now and we have been meeting, fixing and testing some of the
major rendering issues that will hinder the language support for etch.
We had met  yesterday (26th) and finalized some of the obvious fixes
that are necessarily required. We also finalized a patch and it is
attached herewith. Some of the major fixes that have been patched are
mentioned here

* Removed Cons+0d4d+RA(0d30)/RRA(0d31) +KA(0d15)/HA(0d39) exception
and moved 0d30 from _cn form back to its intitial _pb form
* Correct rendering for ZWJ (SF_PROCESS_ZWJ is removed from the flags
for malayalam)
* Fixing the rendering of LA (changed to _bb from _ct)

(We stiil have some more issues to solve)

The patch is submited upstream http://bugzilla.gnome.org/show_bug.cgi?id=357790

Members present at the meeting were:

Vivek Varghese Cherian <vivekcherian at gmail.com>,  Praveen A
<pravi.a AT gmail.com> - Debian Installer co-ordinators for malayalam
Hussain KH <hussain.rachana AT gmail.com> - Designer of Rachana font
(which is used by the graphical installer)
Suresh P <suresh AT ippimail.com> - Designer of Suruma (Another
malayalam font) http://suruma.sarovar.org/ (He has been working on
pango for sometime now)
CK Raju <doxa AT sancharnet.in> - Head of the Department, Information
Technology, MES College of Engineering, Kuttippuram
Anivar Aravind <anivar AT gnu.org.in> - Global Alternate Information
Applications (GAIA)
Hiran Venugopalan <hiran.v AT gmail.com> - Co-ordinator Palakkad Libre
Software Users Society (plus) and reviewed by many others.
Seena Thomas <seenarose AT gmail.com> - Student, Mass Communications,
St. Josesph's College, Irinjalakkuda
Sumod Menon - <smkmenon AT ieee.org> - Student, CEDTI, Calicut
Jinesh <jinesh.k AT gmail.com> - Student, Computer Science and
Engineering, MES College of Engineering, Kuttippuram
Riyas Usman <riyazusman AT gmail.com> - plus
Ajith - 8th standard, (IT at School student), Govt Model Boys High School
Sudeep KS <sudeep AT cse.iitb.ac.in> - Assistant professor, Indian
Institute of Technology Guwahati
More details of the meeting available (in malayalam) at
<http://fci.wikia.com/wiki/സ്വതന്ത്ര മലയാളം
കമ്പ്യൂട്ടിംഗ്/ഒത്തുചേരലുകള്‍/ഡിസംബര്‍ 26 2006>

We know that the pango code for etch has been frozen but since the
fixes are only specific to malayalam and it is a major fix we request
you to include it, as it is critical for correct rendering support for
Malayalam in graphical installer and other pango based applications.
This will be a crucial for malayalam support for IT at School project,
the largest debian installtion (total 2666 schools and more than 25000
computers) in the world.

Regards
Praveen
-- 
"Value your freedom, or you will lose it, teaches history.
`Don't bother us with politics', respond those who don't want to learn."
         -- Richard Stallman
Me scribbles at http://www.pravi.co.nr
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