address@hidden: Re: woman loops forever if man page doesn't end with newline]

[Richard Stallman]

Would someone please install this?

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From: Chris Moore <address@hidden>
To: emacs-pretest-bug <address@hidden>
In-Reply-To: <address@hidden>
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Date: Tue, 24 Oct 2006 15:22:19 +0200
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Subject: Re: woman loops forever if man page doesn't end with newline
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Here's a patch to fix this.  It adds a newline to the end of the man
page whether or not there's one there already.

Chris.

On Fri, 2006-10-13 at 16:29 +0200, Chris Moore wrote:
> If a man page doesn't have a terminating newline, then M-x woman RET
> <page> RET will go into an infinite loop.
> 
> For example, this 2 line man page:
> 
> ------------------------------------------------------------------------
> .SH OVERVIEW
> Oops
> ------------------------------------------------------------------------
> 
> will trigger the bug, if the newline after "Oops" is omitted.
> 
> When testing this, use fundamental-mode to create the file because
> nroff mode will add the final newline automatically when the file is
> saved.
> 
> I discovered the bug when trying to view Debian unstable's 'svn.1' man
> page.
> 
> The package is here:
> 
> http://ftp.debian.org/debian/pool/main/s/subversion/subversion_1.4.0-4_i386.deb
> 
> and the man page is here:
>   /usr/share/man/man1/svn.1.gz
> 
> 
> I'll raise a separate bug against the subversion package in the Debian
> BTS, but woman shouldn't hang in this case anyway.
> 
> 
> 
> In GNU Emacs 22.0.50.168 (i686-pc-linux-gnu, GTK+ Version 2.8.20)
>  of 2006-10-12 on chrislap
> X server distributor `The X.Org Foundation', version 11.0.70101000
> configured using `configure '--with-gtk' '--with-xpm' '--with-jpeg'
> '--with-png' '--with-gif''
> 
> Important settings:
>   value of $LC_ALL: en_GB.UTF-8
>   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_GB.UTF-8
>   locale-coding-system: utf-8
>   default-enable-multibyte-characters: t
> 
> Major mode: Fundamental
> 
> Minor modes in effect:
>   show-paren-mode: t
>   display-time-mode: t
>   iswitchb-mode: t
>   dynamic-completion-mode: t
>   shell-dirtrack-mode: t
>   tooltip-mode: t
>   mouse-wheel-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   unify-8859-on-encoding-mode: t
>   utf-translate-cjk-mode: t
>   auto-compression-mode: t
>   column-number-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
> 

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- --- old/woman.el      2006-10-24 15:17:50.000000000 +0200
+++ woman.el    2006-10-24 15:16:47.000000000 +0200
@@ -1727,7 +1727,10 @@
          (auto-compression-mode 1))
       (nth 1
           (condition-case ()
- -            (insert-file-contents filename nil)
+              (progn
+                (insert "\n")
+                (backward-char 1)
+                (insert-file-contents filename nil))
             (file-error
              ;; Run find-file-not-found-hooks until one returns non-nil.
              ;; (run-hook-with-args-until-success 'find-file-not-found-hooks)

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