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From: | Stefan Monnier |
Subject: | bug#12254: 24.2; completion fails backward-char |
Date: | Wed, 29 Aug 2012 14:05:19 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.2.50 (gnu/linux) |
tags 12254 notabug thanks > (defun b-completion-at-point () > (let ((beg (progn > (skip-syntax-backward "w") > (point))) > (end (progn > (skip-syntax-forward "w") > (point)))) > (list beg end '("IGNORE" "DEBUG" "HELLO")))) This needs to save-excursion. > This is a regression. It doesn't happen in Emacs 23.4. That's only because completion-at-point-functions is used less often so the bug in the above code doesn't bite as often. But your above completion function is already buggy in Emacs-23.4 since it can't complete "IG!R" to "IGNORE", whereas after adding the save-excursion such completion works just fine. Stefan
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