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bug#13438: /srv/bzr/emacs/emacs-24 r111196: * imenu.el (imenu-default-cr
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From: |
Glenn Morris |
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Subject: |
bug#13438: /srv/bzr/emacs/emacs-24 r111196: * imenu.el (imenu-default-create-index-function): Remove useless |
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Date: |
Fri, 25 Jan 2013 03:34:53 -0500 |
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User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
>> Why is this issue (apparently) only seen in Python mode
Answering my own question, it happens in any mode that sets
imenu-prev-index-position-function and
imenu-extract-index-name-function, but there are very few of those.
Eg prolog mode. With buffer contents:
------
fac(0,1).
fac(N,F) :- N > 0, M is N - 1,
fac(M,Fm), F is N * Fm.
------
and point at point-min, switching to prolog-mode causes the same issue.
How about taking the more cautious approach with:
(when (and (= pos (point))
(not (bobp)))
(error "Infinite loop... ))
(IIUC, this was actually the suggestion in
http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00510.html ?)