Subject: bug#5821: bug in TeX mode

From: Chong Yidong <[email-masked]>
Date: Sat, 03 Apr 2010 19:46:50 -0400

> ===
> %
> Aaa aaa bbb bbb. Aaa aaa bbb bbb. Aaa aaa bbb bbb. Aaa aaa bbb bbb.
> Aaa aaa bbb bbb. Aaa aaa bbb bbb. Aaa aaa bbb bbb.
> ===
>
> Placing the cursor on a sentence and then manually re-filling triggers the
> bug.

This seems to have been done deliberately.  Stefan, could you check your
change?

  2008-03-03  Stefan Monnier  <[email-masked]>

    * textmodes/tex-mode.el (latex-mode): Remove % from paragraph-separate
    so that M-q can fill comments.