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bug#42209: 12.2.4; Text propogated wrong in TeX-fold-mode
From: |
Ikumi Keita |
Subject: |
bug#42209: 12.2.4; Text propogated wrong in TeX-fold-mode |
Date: |
Sun, 23 Aug 2020 19:08:19 +0900 |
Hi Gennady, sorry for very late response.
>>>>> <gennady.uraltsev@gmail.com> writes:
> I illustrate with examples
> Consider the following LaTeX file (attached as main.tex):
> \documentclass{amsart}
> \begin{document}
> \title{Simple AMSart}
> \author{Author McAuthorface}
> \maketitle
> \section{Section \textit{a} : a \LaTeX macro}
> \begin{equation*}
> \int_{\alpha + \beta = \LaTeX + \dots }
> \end{equation*}
> \end{document}
> 1.
> * The macro \textit{a} folds into an "a" as specified by
> TeX-fold-macro-spec-list (value included below) but it gets rendered much
> larger than the surrounding text
> * I believe because the "enlargement" gets applied twice, but I am not
> sure.
I tried just enabling TeX-fold-mode without your whole init setting, and
the problem doesn't reproduce with the provided sample latex file.
> 2. Auctex makes the subscript of the integral in the equation small and
> lowered.
> * After folding the Greek symbols and the other macros they appear to
> be the same size as "normal" text so they do not inherit the surrounding
> fontification.
I can observe this behavior. It seems that the attached patch fixes the
problem. Could you test whether it works for you or not?
Regards,
Ikumi Keita
diff --git a/tex-fold.el b/tex-fold.el
index b14ec734..802d1be0 100644
--- a/tex-fold.el
+++ b/tex-fold.el
@@ -824,6 +824,11 @@ That means, put respective properties onto overlay OV."
(skip-chars-forward " \t")
(point))))
(overlay-put ov 'mouse-face 'highlight)
+ (when font-lock-mode
+ ;; Add raise adjustment for superscript and subscript.
+ (put-text-property 0 (length display-string)
+ 'display (get-text-property ov-start 'display)
+ display-string))
(overlay-put ov 'display display-string)
(when font-lock-mode
(overlay-put ov 'face TeX-fold-folded-face))
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Ikumi Keita <=