Hi, Thanks for the email. My comments inline.
On 04/13/2012 09:41 AM, datao zhang wrote > So I think for the new Thai shaper, the valid composition of “consonant [1 > mandatory]+ diacritic vowel [1 optional] + tone mark [1 optional] “ should be > set as same cluster. I would guess that our generic layer will already take care of this based on canonical combining categories? Do you have a test case that you want to see improved? > Problem 2: > > When there is no consonant exist, the dotted circle should be inserted as base > character. The logic should be the first step for the shaping engine to find > the invalid combing marks. Refer to > http://www.microsoft.com/typography/otfntdev/thaiot/shaping.aspx#comb Right. We do not handle invalid combining marks yet. That's something I want to do at some point but it's not high priority. behdad _______________________________________________ HarfBuzz mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/harfbuzz
