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From: | Yair Friedman (Jerusalem) |
Subject: | Re: [emacs-bidi] Hebrew characters categories |
Date: | Mon, 10 Dec 2001 11:13:22 +0200 |
User-agent: | Gnus/5.090004 (Oort Gnus v0.04) Emacs/21.1 |
TAKAHASHI Naoto <address@hidden> writes: > "Yair Friedman (Jerusalem)" writes: > >> Do you have assumptions about the font structure? > > Yes. If > > 1. the font used by our Emacs has the property > "_MULE_RELATIVE_COMPOSE" and its value is A > > and > > 2. a glyph has a descent value B, where B < 0 and -B > A > > then such a glyph is put _above_ the preceding character when > composed. In case of Arabic, FATHA is such a glyph. > > We also added extra white pixels above the BAH, TAH and other glyphs > so that we can get appropriate distance between the base glyphs and > FATHA. So you assume that for composition you *must* have a font with "_MULE_RELATIVE_COMPOSE" property?
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