bug#5875: [Aquamacs-bugs] Re: incorrect fontification of non-ascii chars on Mac OS X 10.4

[Stefan Monnier]

>> Could someone explain to me why(if) Carbon Emacs needs fiddling with
>> create-fontset-* at all?

> The current Emacs character representation divides the whole character
> space into ISO-2022-based charsets.  But charsets for Mac fonts is not
> based on ISO-2022 (except ASCII and CJK), so mapping from Emacs
> internal code is needed especially for European fonts so that one
> Emacs charset corresponds to multiple Mac fonts.

And the other mapping tools (i.e. the use of a CCL encoder for the font
encoding) are not a solution because they do not lift the basic assumption
that each charset is covered by at most one font?

>> Isn't it possible to make sure that the default config of Carbon
>> Emacs comes with a "working" default fontset?

> "fontset-mac" is supposed to be such a fontset, and it is used by
> default.

Hmm... so the complaints we hear are from people who want to use another
default font?  Would there be a way to tweak things such that changing the
font of the default face (or of the frame, ...) automatically/transparently
builds a sensible new fontset?


        Stefan