bug#32328: match-beginning: return nil if search failed

bug-gnu-emacs

From:	Andreas Röhler
Subject:	bug#32328: match-beginning: return nil if search failed
Date:	Tue, 31 Jul 2018 07:59:06 +0200
User-agent:	Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

match-beginning tells: Return value is undefined if the last search failed.

Consider it a gain if it returns nil when failing.

Thanks,
Andreas

GNU Emacs 27.0.50 (build 1, i686-pc-linux-gnu, GTK+ Version 3.14.5) of2018-05-29

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