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[Bug-AUCTeX] 11.86: tex-preview's showlabels option doesn't work with am
From: |
r6144 |
Subject: |
[Bug-AUCTeX] 11.86: tex-preview's showlabels option doesn't work with amsmath's multline environment; workaround found |
Date: |
Sat, 30 Oct 2010 16:11:54 +0800 |
Hello,
I'm using emacs-auctex-11.86-2.fc12.noarch and
tex-preview-11.86-2.fc12.noarch on Fedora 12.
It is a known problem that latex-preview's showlabels option doesn't
work with amsmath's multline environment: the label simply doesn't show
up in the preview of these equations. This has previously been reported
in http://www.mail-archive.com/address@hidden/msg00653.html quite a
few years ago. As I rely quite heavily on this option (I think reftex
doesn't use the previews so it isn't as convenient), this bug is rather
annoying.
Using the attached test file, I think I have found the problem. When
the multline environment is used, the content is expanded twice in
amsmath.sty's \multline@, the first time for measurement only.
address@hidden is thus also called twice, but the second time \next is
equal to address@hidden and processing get skipped. If I remove this
duplication check, by editing the definition of address@hidden in
prshowlabels.def:
- address@hidden
+ \iffalse\egroup\romannumeral\else
Labels then show up normally.
Please CC me as I'm not subscribed.
r6144
test-preview.tex
Description: Text Data
- [Bug-AUCTeX] 11.86: tex-preview's showlabels option doesn't work with amsmath's multline environment; workaround found,
r6144 <=