M-x man allows null manual section name

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Article #99878

#99878

From: David J. MacKenzie
Date: Fri, 27 Apr 1990 00:57

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On Emacs 18.55:
If you answer RET to the prompt `Manual entry (topic)' for M-x man,
it formats (on a Sun) the directory /usr/man/man1 as a manual page.
Probably it should just exit quitely, print an error message, or
refuse to accept the empty name instead.

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From: djm@ENG.UMD.EDU (David J. MacKenzie)
Newsgroups: gnu.emacs.bug
Subject: M-x man allows null manual section name
Message-ID: <9004270057.AA14087@eng.umd.edu>
Date: 27 Apr 90 00:57:54 GMT
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Posted: Fri Apr 27 01:57:54 1990