GNU bug report logs - #5138
23.1; M-x man -k error message

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Package: emacs;

Reported by: Kevin Ryde <user42 <at> zip.com.au>

Date: Mon, 7 Dec 2009 00:20:08 UTC

Severity: normal

Done: Kevin Ryde <user42 <at> zip.com.au>

Bug is archived. No further changes may be made.

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From: bug-gnu-emacs <at> gnu.org (Emacs bug Tracking System)
To: Kevin Ryde <user42 <at> zip.com.au>
Cc: emacs-bug-tracker <at> debbugs.gnu.org
Subject: bug#5138: marked as done (23.1; M-x man -k error message)
Date: Sat, 26 Dec 2009 22:02:02 +0000
[Message part 1 (text/plain, inline)]
Your message dated Sun, 27 Dec 2009 09:00:45 +1100
with message-id <87aax5jsz6.fsf <at> blah.blah>
and subject line Re: bug#5138: Acknowledgement (23.1; M-x man -k error message)
has caused the Emacs bug report #5138,
regarding 23.1; M-x man -k error message
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact bug-gnu-emacs <at> gnu.org
immediately.)


-- 
5138: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=5138
Emacs Bug Tracking System
Contact bug-gnu-emacs <at> gnu.org with problems
[Message part 2 (message/rfc822, inline)]
From: Kevin Ryde <user42 <at> zip.com.au>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.1; M-x man -k error message
Date: Mon, 07 Dec 2009 11:12:42 +1100
[Message part 3 (text/plain, inline)]
If you do an M-x man keyword search with nothing matching, like

    M-x man
    -k jkjkjkjk Ret

The result shown is

    error in process sentinel: Can't find the -k jkjkjkjk manpage

where reads as if it thought the "-k" was the page name -- which is not
the case, M-x man understands -k is an "apropos" keyword search.

This could be due to "man-db" (as used in debian and elsewhere) printing
nothing for no matches, as opposed to a "nothing appropriate" message
which Man-bgproc-sentinel knows to look for.

Perhaps something along the lines below,

2009-12-07  Kevin Ryde  <user42 <at> zip.com.au>

	* man.el (Man-bgproc-sentinel): When "-k foo" produces no output
	show error "no matches" rather than "Can't find manpage", as the
	latter reads like -k was interpreted as a page name (which is not
	so).

[man.el.apropos-error.diff (text/x-diff, inline)]
--- man.el.~1.193.~	2009-11-29 08:37:28.000000000 +1100
+++ man.el	2009-12-07 11:04:19.000000000 +1100
@@ -1174,6 +1174,15 @@
 						  (progn
 						    (end-of-line) (point)))
 		       delete-buff t))
+
+		;; "-k foo", successful exit, but no output (from man-db)
+		((and (string-match "\\(\\`\\|\\s-\\)-k\\s-" Man-arguments)
+		      (eq (process-status process) 'exit)
+		      (= (process-exit-status process) 0)
+		      (= (point-min) (point-max)))
+		 (setq err-mess (format "%s: no matches" Man-arguments)
+		       delete-buff t))
+
 		((or (stringp process)
 		     (not (and (eq (process-status process) 'exit)
 			       (= (process-exit-status process) 0))))
[Message part 5 (text/plain, inline)]


In GNU Emacs 23.1.1 (i486-pc-linux-gnu, GTK+ Version 2.16.5)
 of 2009-09-14 on raven, modified by Debian
configured using `configure  '--build=i486-linux-gnu' '--host=i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.1/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.1/leim' '--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_AU
  value of $XMODIFIERS: nil
  locale-coding-system: iso-latin-1-unix
  default-enable-multibyte-characters: t
[Message part 6 (message/rfc822, inline)]
From: Kevin Ryde <user42 <at> zip.com.au>
To: 5138-done <at> debbugs.gnu.org
Subject: Re: bug#5138: Acknowledgement (23.1; M-x man -k error message)
Date: Sun, 27 Dec 2009 09:00:45 +1100
In absense of any objection I made this change.


This bug report was last modified 15 years and 151 days ago.

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