need help fixing bug in Writer word-completion

Tantai Thanakanok <[email protected]>
Newsgroups gmane.comp.openoffice.devel.general
Message-ID <1021895679.5006.1292318123756.JavaMail.root@mail>
Hi all, 

I want to fix this bug http://qa.openoffice.org/issues/show_bug.cgi?id=82170 

The bug is about word-completion and CTL. When I type some Thai auto-complete word in OpenOffice.org Writer (e.g. มิถุนายน). The text will be display doubled and overlapped. This problem occurs because the text is splitted into 2 runs. And a non-spacing vowel mark (i.e. ุ) is placed at the first character of the second run, which make the text displayed overlap. (more detail in the issue) 

Note: Typing “มิถุนายน” will activate auto-complete when OpenOffice.org Writer locale is set to Thai. 

Can anyone tell me where should I start looking at? 
-- 
_/|\_ Tantai Thanakanok. Open Source Development Co., Ltd. 
Tel: +66 38 311816, Fax: +66 38 773128, http://www.osdev.co.th/
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