Re: [emacs-bidi] diacritics, ligatures, etc.

[TAKAHASHI Naoto]

"Eli Zaretskii" writes:

>> One more thing. I think the Unicode standard specify the order of
>> characters in a composition. What does it say exactly?

> Nothing special, AFAICS: it's all between the bidi reordering code
> and the display rendering.  To wit, if the display requires that the
> diacriticals and the base character be in a specific order, then the
> bidi reordering must make sure it delivers characters in that order.

See 3.10 Canonical Ordering Behavior in the Unicode 3.0 book.  The
principles are:

1. Base character first, combining characters next.
2. If there are multiple combining characters, arrange them
graphically outward.

-- 
TAKAHASHI Naoto
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http://www.m17n.org/ntakahas/