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

From: Yair Friedman (Jerusalem)
Subject: Re: [emacs-bidi] diacritics, ligatures, etc.
Date: Thu, 22 Nov 2001 17:19:48 +0200
User-agent: Gnus/5.090004 (Oort Gnus v0.04) Emacs/21.1

TAKAHASHI Naoto <address@hidden> writes:

> You can specify, to some extent, how the elements in a composition are
> placed relative to one another.  For example, put the "xy" at the
> beginning of a buffer and issue the following.
>   M-: (compose-region 1 3 [?a (bottom-right . top-left) ?b)
> See the description of the function compose-region and that of the
> variable reference-point-alist, if you are interested.
> The limitation is the coarseness of the reference points.  Also, the
> composed glyphs heavily depend on the font.  Especially, the existence
> of blank pixels surrounding the minimum BBX affects the result.  Be
> careful when you want to distinguish sin and shin explicitly.

I tried to play a little with this with the results are attached.  Since
I don't have X fonts with diacritics, I used the simple period instead.
It seems that in many cases we can get reasonable results - even with
shin/sin dot.

Dagesh however is something else.  Can we add an option of pixel border
distance in cases we don't want to glue the characters together?

Attachment: compose-region.png
Description: PNG image

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