bug#5570: automatic cache validation

[Jan Djärv]

Chong Yidong skrev 2010-04-04 01.55:
> > > > > Does
> > > > >     M-x (c-state-cache-init)
> > > > > fix it?
> > >
> > > > No, it does not.
> >
> > I just got the problem again, while editing gtkutil.c in Emacs.  There
> > M-: (c-state-cache-init) did indeed fix the problem.
> >
> > So it sometimes help.  I guess this only adds to the confusion...
>
> You sent this message on March 22.  That was the date Alan checked this
> into the branch:
>
>     2010-03-22  Alan Mackenzie<acm@muc.de>
>
>        * progmodes/cc-engine.el (c-remove-stale-state-cache):
>        Fix off-by-one error.  Fixes bug #5747.
>
> The patch was merged to the trunk a couple days later.  I don't know
> whether you were running with it when you made the above observation

I was running without it.
.
> So, are you still observing the problem after the patch?

Yes, but it seems to happen less frequently.  Also, sometimes just another TAB 
at BOL fixes it.

        Jan D.