flyspell interferes with C-c C-c (mail mode, vc-log-mode, etc)

[era eriksson <era@iki.fi>]

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Please write in English, because the Emacs maintainers do not have
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In GNU Emacs 20.7.2 (i386-debian-linux-gnu, X toolkit)
 of Fri Apr  5 2002 on cyberhq modified by Debian
configured using `configure  i386-debian-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --with-x=yes --with-x-toolkit=yes'

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

It seems that the keystroke C-c C-c is intercepted and discarded when
Flyspell is active and the token under the text cursor is misspelled
(for flyspell's definition of misspelled).

Repro steps:

 1. Activate flyspell so that it kicks in whenever you enter text
    mode. This I believe is the default action when you enable
    flyspell according to the basic instructions that come with it.

 2. Enter a mode which is derived from text mode, and where C-c C-c is
    used for something.

 3. Type in some text, and make sure the last word is misspelled.
    Leave the cursor just after the word in question (haven't tried
    what happens if I hit Enter before C-c C-c).

 4. Press C-c C-c

Actual result:

    A friendly beep.

Expected result:

    Whatever C-c C-c is supposed to accomplish. In mail mode, send mail.
    In vc-log-mode, submit the log entry and check in the file.

Comments:

    Step #2 can probably be generalized to cover modes not derived
    from text mode, and possibly other keystrokes in the C-c prefix
    keymap.

    Writing in a language other than English is a nice use case in
    step #3. (I haven't gotten around to figure out how to make
    Flyspell read my mind to know in what language I am going to type
    before I even know it myself.)

    For testing things without generating undesirable side effects,
    placing the cursor in various places in the text buffer and
    pressing C-h k C-c C-c is probably to be preferred. When the
    cursor is on top of a "misspelled" and thus colorized token, you
    get "C-c C-c is undefined" instead of the regular description for
    the keystroke sequence.

Sorry if this is fixed in a newer version of Emacs and/or Flyspell.
I'm on a production system so I'm running Debian stable and nothing
else here.

/* era */

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