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Re: [AUCTeX-devel] confusion about phi varphi, latex, input-method TeX,

From: Tassilo Horn
Subject: Re: [AUCTeX-devel] confusion about phi varphi, latex, input-method TeX, prettifying
Date: Sun, 28 Aug 2016 11:56:23 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

Uwe Brauer <address@hidden> writes:

Hi Uwe,

> When I compile a LaTeX document which contains.
> $\phi \varphi$
> The pdf file presents these symbols as  (screenshot attached)
>  ϕ φ
> But when I use prettifying \varphi is not displayed and \phi is
> displayed as if it were \varphi

Indeed, there's no symbol for \varphi defined in
lisp/textmodes/tex-mode.el (in Emacs).  Please go and add it, and also
switch the unicode symbols appropriately.  Then do M-x report-emacs-bug
and attach you patch there.  Thanks!

> On top of that when use set-input-method TeX
> And
> \phi --> φ
> \varphi --> ϕ 
> So it seems to me, latex is right input-method is wrong and
> prettifying as well.

Yes, that's also twisted.  You can fix it in
lisp/leim/quail/latin-ltx.el.  There you'll see that there's already a
FIXME workaround for \sigma/\varsigma which also looked reversed with
the normal generation strategy.


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