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Re: port x-symbol to GNU emacs 24.

From: Tassilo Horn
Subject: Re: port x-symbol to GNU emacs 24.
Date: Tue, 18 Aug 2015 10:38:22 +0200
User-agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/25.0.50 (gnu/linux)

David Kastrup <address@hidden> writes:

>>> >    > Well, I guess you could use Emacs' built-in
>>> >    > `prettify-symbols-mode' in order to display TeX macros using some
>>> >    > unicode characters (or preview-latex of course).
>>> > I just switched `prettify-symbols-mode' on in a latex buffer but
>>> > nothing happens to \int or \alpha
>>> You have to define the symbols in `prettify-symbols-alist'
>> Indeed, and I think it should be a good idea to populate that alist
>> with some non-trivial content to begin with.  Any takers?
> Siphon off what can be taken from the TeX input method of Quail?  That
> should provide a healthy dose of Unicode/TeX relations in
> Emacs-readable form.

I just started to define a `prettify-symbols-alist--TeX' by checking
what Quail provides.  However, there is a problem in that (la)tex-mode
and their AUCTeX counterparts don't give \ symbol syntax.  Therefore, an
entry like ("\\alpha" . ?α) will never match.  And omitting the
backslash isn't possible because then we'd have many false positives for
entries like ("in" . ?∈).

Any ideas how to cope with that situation?  Simply giving \ symbol
syntax will break at least AUCTeX (and isn't correct anyhow).


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