[HarfBuzz] Different results when shaping sub-sections of text

[Khaled Hosny]

On Wed, Oct 07, 2015 at 04:50:25PM +0300, Nikolay Sivov wrote:
> I just tried that in LibreOffice Writer, and it seems like changing color in
> Arabic string disables some advance adjustments, but overall shape is
> intact. That's especially visible if you apply strikeout style to whole text
> - this results in gaps in strikeout line. For English it does indeed break
> ligatures if you try to color 'f' separately from 'i'.

LibreOffice wouldn’t be such a good example to choose as it handles this
very poorly, even MS Office is much better in this regard. I’d check
with Firefox as it generally have much better typographic support.

Regards,
Khaled