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Re: ATSUI support on Carbon Emacs

From: YAMAMOTO Mitsuharu
Subject: Re: ATSUI support on Carbon Emacs
Date: Wed, 26 Apr 2006 18:50:28 +0900
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.6 (Marutamachi) APEL/10.6 Emacs/22.0.50 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI)

>>>>> On Wed, 26 Apr 2006 18:13:13 +0900, YAMAMOTO Mitsuharu <address@hidden> 
>>>>> said:

> I'm going to enable ATSUI support at last.

I forgot to tell about one thing: I'll not enable ATSUI support on the
emacs-unicode-2 branch this time for some reasons:

  * Future of the Carbon port is uncertain (I mean the switch to
    Cocoa, of course) and I doubt it's worth doing now.

  * Font handling mechanism is likely to change.

  * Actually, there are several aspects to consider for that branch.
    My first impression that ATSUI support is easier for the
    emacs-unicode-2 branch seems to be wrong.  Some functionalities
    such as composition and font fall-back are both in emacs-unicode-2
    and in ATSUI, and they must be carefully coordinated.

                                     YAMAMOTO Mitsuharu

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