uncomment-region bug

uncomment-region bug

[kraemer]

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to reproduce:

  -  open emacs
  -  emacs-lisp-mode
  -  end-of-buffer
  -  type ";; abcde"
  -  set-mark-command
  -  beginning-of-line
  -  uncomment-region


I've only seen the effect when uncommenting a region that is at the  
very end of the buffer.

- In "GNU Emacs 21.2.1 (powerpc-apple-darwin8.0) of 2005-05-11 on  
nic.mit.edu":
     "Can't find the comment end."

- In "GNU Emacs 22.0.50.1 (powerpc-apple-darwin8.2.0)of 2005-10-09 on  
quartet.local"
     strange behavior -- the line that is left is just "abc" -- the  
"de" is gone!


kraemer

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kraemer

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Re: uncomment-region bug

[Kevin Rodgers]

kraemer wrote:
 > to reproduce:
 >
 >  -  open emacs
 >  -  emacs-lisp-mode
 >  -  end-of-buffer
 >  -  type ";; abcde"
 >  -  set-mark-command
 >  -  beginning-of-line
 >  -  uncomment-region
 >
 >
 > I've only seen the effect when uncommenting a region that is at the very
 > end of the buffer.

Yes, if there's a newline after "abcde" it works fine.

 > - In "GNU Emacs 21.2.1 (powerpc-apple-darwin8.0) of 2005-05-11 on
 > nic.mit.edu":
 >     "Can't find the comment end."

The bug is that the call to (forward-comment 1) in comment-forward moves
point to the end of the comment but returns nil instead of t.

 > - In "GNU Emacs 22.0.50.1 (powerpc-apple-darwin8.2.0)of 2005-10-09 on
 > quartet.local"
 >     strange behavior -- the line that is left is just "abc" -- the "de"
 > is gone!

-- 
Kevin