I am using LibreOffice 3.3.3 on Kubuntu Natty and 3.4.2 on Windows XP. On both installations I observe the following bug:

In Tamil, vowelless consonants are considered independent grapheme clusters on their own as they do not ligate with following consonants unlike other Indic scripts. (The only exception is க் ligating with ஷ to form க்ஷ.)

Take for example the Tamil word சித்திரை (name of a month). The grapheme cluster split-out is: சி|த்|தி|ரை and not சி|த்தி|ரை. However, when my cursor is to the left of த் and I press the right-cursor key, the cursor moves to the right of தி, and vice versa with left-cursor key. Obviously LibreOffice considers த்தி as a single cluster. Other applications (like for example Thunderbird which I am using to compose this mail) correctly treat த் and தி as separate grapheme clusters.

This faulty behaviour is seen for all CONSONANT + VIRAMA + CONSONANT sequences in Tamil in LibreOffice.

Should I report this against LibreOffice in the FreeDesktop Bugzilla or elsewhere against some other rendering library that LO uses?

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Shriramana Sharma

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