bug#4304: marked as done (Font-lock in cperl-mode is broken)

[Emacs bug Tracking System]

Your message dated Sun, 13 Sep 2009 13:11:24 -0400
with message-id <87vdjmwz0j.fsf@cyd.mit.edu>
and subject line Re: Font-lock in cperl-mode is broken
has caused the Emacs bug report #4304,
regarding Font-lock in cperl-mode is broken
to be marked as done.

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If this is not the case it is now your responsibility to reopen the
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4304: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=4304
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--- Begin Message --- Subject: Font-lock in cperl-mode is broken Date: Tue, 1 Sep 2009 12:21:23 +0800

Package: emacs
Version: 23.0.50

In the newest Emacs HEAD source, font-lock in cperl-mode is broken.
Here are the steps to reproduce the problem:

1. Start emacs:

     $ emacs -Q

2. Visit an empty perl file and switch to cperl-mode:

     C-x C-f x.pl
     M-x cperl-mode

3. Type `print' (no any characters follow the character `t'):

     print|

   The vertical bar `|' here indicates the cursor.  Now the word
   `print' is highlighted with face `cperl-nonoverridable-face'.

4. Now that the cursor is after the character `t', type SPC to append
   a whitespace character.

     print |

   This time, the word `print' gets unhighlighted.  There is no
   property `face' for that word now:

     ;; Point is in between `print'.
     (text-properties-at (point))
          ==>  (fontified t)

   Appending more whitespace characters will not call the highlight
   back.  However, deleting all of the whitespace characters
   highlights it again.

     print |                         ;; Type DEL
     print|                          ;; `print' gets highlighted again

   And the face property is added back:

     ;; Point is in between `print'.
     (text-properties-at (point))
          ==>  (face cperl-nonoverridable-face font-lock-multiline t fontified t)

The same problem exists for larger Perl programs.  This is only a
simple case.

Regards,
Guanpeng Xu

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--- End Message ---

> --- Begin Message ---
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> Subject: 
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> Re: Font-lock in cperl-mode is broken
>
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> Date: 
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> Sun, 13 Sep 2009 13:11:24 -0400
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> > In the newest Emacs HEAD source, font-lock in cperl-mode is broken.
>
> This was my mistake; I've checked in a fix.  Thanks.
>
> --- End Message ---