GNU bug report logs - #4056
23.1.50; use shell-command completion for M-x man page names

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From: bug-gnu-emacs <at> gnu.org (Emacs bug Tracking System)
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: emacs-bug-tracker <at> debbugs.gnu.org
Subject: bug#3717: marked as done (M-x man completion)
Date: Thu, 11 Feb 2010 16:20:03 +0000

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Your message dated Thu, 11 Feb 2010 11:10:52 -0500
with message-id <jwv7hqjpxyt.fsf-monnier+emacs <at> gnu.org>
and subject line Re: bug#4056: Searching for program: no such file or directory, LC_CTYPE=C man
has caused the Emacs bug report #4056,
regarding M-x man completion
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.)


-- 
4056: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=4056
Emacs Bug Tracking System
Contact bug-gnu-emacs <at> gnu.org with problems

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From: jidanni <at> jidanni.org
To: bug-gnu-emacs <at> gnu.org
Subject: M-x man completion
Date: Tue, 30 Jun 2009 04:48:10 +0800

severity: wishlist

I was thinking when M-x man prompts
  Manual entry (default Neurdsburg):
wouldn't it be neat if there was completion, just like for
M-! shell-command...

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: jidanni <at> jidanni.org
Subject: Re: bug#4056: Searching for program: no such file or directory,
	LC_CTYPE=C man
Date: Thu, 11 Feb 2010 11:10:52 -0500

> Can someone please send me the workaround!!

I've just installed the patch below which should silence those errors
(tho the error will still be there and will prevent completion from
working).



        Stefan


=== modified file 'lisp/man.el'
--- lisp/man.el	2010-01-13 08:35:10 +0000
+++ lisp/man.el	2010-02-11 15:54:21 +0000
@@ -771,8 +771,13 @@
           ;; quote anything.
           (let ((process-environment (copy-sequence process-environment)))
             (setenv "COLUMNS" "999") ;; don't truncate long names
+            ;; manual-program might not even exist.  And since it's
+            ;; run differently in Man-getpage-in-background, an error
+            ;; here may not necessarily mean that we'll also get an
+            ;; error later.
+            (ignore-errors
             (call-process manual-program nil '(t nil) nil
-                          "-k" (concat "^" prefix)))
+                            "-k" (concat "^" prefix))))
           (goto-char (point-min))
           (while (re-search-forward "^\\([^ \t\n]+\\)\\(?: ?\\((.+?)\\)\\(?:[ \t]+- \\(.*\\)\\)?\\)?" nil t)
             (push (propertize (concat (match-string 1) (match-string 2))

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