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bug#23426: 25.0.93; dired-do-find-regexp doesn't find newline


From: Dmitry Gutov
Subject: bug#23426: 25.0.93; dired-do-find-regexp doesn't find newline
Date: Tue, 3 May 2016 20:22:21 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1

On 05/03/2016 04:18 AM, Glenn Morris wrote:

For this specific example, a grep-ish way to find empty lines is '^$'.

You can't search for an empty line following a letter 'A' this way, though.

However, using "A" to search for that (or the empty regexp) causes Emacs
to hang indefinitely. :(

Yup, it's a bug in xref--collect-matches-1 (you can re-search-forward indefinitely for such a regexp, and that's what it does). I'll try not to forget about it.





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