Change in supercite behavior from 20.7 to 21.1

[Andrew Koenig]

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In GNU Emacs 21.1.2 (sparc-sun-solaris2.8, X toolkit)
 of 2001-10-27 on europa
configured using `configure  --prefix=/usr/gnu'
Important settings:
  value of $LC_ALL: nil
  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: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: nil

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:


I do not know for certain that this is a bug, but it is a
change in behavior that does not appear to have been intentional.

Here are the details.  In my .emacs file, I have the following:

   (autoload 'sc-cite-original "supercite" "Supercite 3.1" t)
   (autoload 'sc-submit-bug-report "supercite" "Supercite 3.1" t)
   (add-hook 'mail-citation-hook 'sc-cite-original)
   (setq sc-reference-tag-string ">> ")
   (setq sc-preferred-header-style 7)    ; sc-no-blank-line-or-header
   (setq sc-auto-fill-region-p nil)
   (setq sc-citation-leader "")

Now... Suppose I'm replying to a mail message from "author", and
I use Supercite's C-c C-y to attribute the original message.
I might have something in my *mail* buffer like this:

        author> This is a message
        author> that needs a reply.

Suppose I now position the cursor within this text and hit M-Q.
Under 20.7, I would get the following:

        author> This is a message that needs a reply.

Under 21.1, I get the following:

        author> This is a message author> that needs a reply.

Evidently the fill prefix is getting lost.  Is this a bug, or is there
an additional hook somewhere that 21.1 needs and 20.7 didn't?



Recent input (not relevant to this problem):
SPC c SPC C-n SPC <help-echo> <down-mouse-1> <mouse-movement> 
<mouse-1> c SPC g C-n C-n C-n C-n SPC c SPC g SPC c 
SPC SPC c SPC g SPC c SPC g SPC c SPC g L P P P P P 
P P P P P P P P P P P P P P P P P P P P P P P P P P 
P P P P P P P P P P P N <return> 1 0 0 <return> <escape> 
> C-r s u p <return> <return> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <menu-bar> <help-menu> 
<report-emacs-bug>

Recent messages (not relevant to this problem):
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Retrieving newsgroup: gnu.emacs.help...
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