GNU bug report logs - #30643
Mention . won't match illegal characters

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Package: grep;

Reported by: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>

Date: Wed, 28 Feb 2018 08:24:01 UTC

Severity: wishlist

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: 30643 <at> debbugs.gnu.org
Subject: bug#30643: Mention . won't match illegal characters
Date: Wed, 28 Feb 2018 14:30:24 +0800

$ man grep says

       The period . matches any single character.

OK but it should also mention that illegal characters for the current
locale will never be matched by ".".

$ LC_ALL=C           grep  .東看 x.html|qprint -e
          <p>=E5?=91=E6=9D=B1=E7=9C=8B</p>
$ LC_ALL=zh_TW.UTF-8 grep  .東看 x.html|qprint -e
$

Also mention it on (info "(grep) Fundamental Structure").
This bug report was last modified 4 years and 242 days ago.

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