[HarfBuzz] Thai shaping and dotted circle

[Behdad Esfahbod]

On 13-09-30 09:05 AM, Toresson, Alexander (EXT) wrote:
> Hello all,
>  
> 
> For for example Bengali, a dotted circle (U+25CC) is inserted before
> standalone combining marks. The same is not done for Thai, except for the
> first character in a paragraph/text (--bot for hb-shape/hb-view). Why?
> According to http://www.microsoft.com/typography/otfntdev/thaiot/other.htm,
> “invalid combinations” should cause a dotted circle to be inserted.

That's something we want to fix, but we have not got to yet.


> Speaking of invalid combinations, it seems like HarfBuzz allows for example
> U+0E48 to be combined with for example latin U+0041, which seems rather
> permissive.
> 
>  
> 
> I have been testing HarfBuzz 0.9.21.
> 
>  
> 
> BR, Alexander
> 
> 
> 
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-- 
behdad
http://behdad.org/