c-indent confused with case keyword in string

[Thierry Legras <legras@nmu.alcatel.fr>]

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In GNU Emacs 21.2.2 (sparc-sun-solaris2.8, X toolkit)
 of 2002-10-23 on carnac
configured using `configure  --prefix=/user/caipv6/legras'
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: C
  locale-coding-system: nil
  default-enable-multibyte-characters: t

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

It seems that emacs 21.2.2 is confused when "case" and ":" are both
used inside a string; see my example in a c-mode buffer:

int
main()
{
    int res;
    printf("case A :\n");                                       
    printf("case B :\n");
                res = 0; /* indentation broken! */
}

I didn't have this problem this 21.7.1.

Any idea?

Cheers
TL


Recent input:
<down> <down> <tab> <down> <tab> <down> <tab> <down> 
<tab> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <menu-bar> <help-menu> <report-emacs-b
ug>

Recent messages:
(emacs-21.2 -q foo.c)
Loading disp-table...done
Face italic, frame #<frame emacs-21.2@carnac 0x495600\ >: invalid attribute :font courier-italic from X resource [2 times]
Loading tool-bar...done
Loading image...done
Loading tooltip...done
For information about the GNU Project and its goals, type C-h C-p.
Loading cc-mode...done
Face italic, frame #<frame tooltip 0x5b2a00\ >: invalid attribute :font courier-italic from X resource
Loading emacsbug...done