[Bug 13502] Text run starting with composing character should be valid


--- Comment #5 from Shai Berger <shai@platonix.com> 2011-09-26 07:52:24 UTC ---
(In reply to comment #4)
> The validator's behavior is based on a draft of charmod.

For those of us who are not "in" the process, can you elaborate on what that is
and where we can find it?

> Does different styling for a part of grapheme cluster make sense for any other
> properties than color (and opacity, which is analogous to tweaking the alpha
> channel)? What use cases are there for coloring different parts of the grapheme
> cluster differently?

The general use case for what I'm asking is trying to emphasize one part of the
grapheme cluster. This can make some sense even when discussing French accents
in an educational setting, but it makes a lot of sense in writing systems where
vowels show up as combining characters -- I'm aware of Hebrew, Arabic and Thai,
but there may be more.

Given this rationale, it would probably make sense to use, besides
(generalized) color, the font-weight property. I can't come up with anything
else that makes sense in general.


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Received on Monday, 26 September 2011 07:52:26 UTC