[HarfBuzz] Contextual shaping of Malayalam post(pre)/below base forms

Behdad Esfahbod behdad at behdad.org
Thu Jun 6 11:21:46 PDT 2013

I have no idea what you are asking or suggesting.  Perhaps you can show us a
font and a sequence and explain what the expected output is and what the
actual is and why you think it needs a change in the spec.

On 13-06-06 03:05 AM, Suresh P wrote:
> Hi,
> In Malayalam some consonants like YA(യ), RA(ര) are quasi-vowels and they have
> post(pre)/below base forms. As per OT spec the pstf(pref) and blwf features
> are always applied and this leads to weird shaping when some consonants come
> as base. Eg. യ്ര, യ്ല, ര്ര, ല്ര. This is more prominent in reformed scripts
> because one can do away with these forms in traditional scripts. If these
> features can be applied as presentation forms, one can invoke contextual rules
> as and when required. But this will invariably break the current OT spec but
> then no spec is final.
> So, to pun, this is feature request, too. :)
> -suresh


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