bug#25219: 26.0.50; ispell failing

[Alan Third <alan@idiocy.org>]

On Sun, Dec 18, 2016 at 05:18:15PM +0200, Eli Zaretskii wrote:
> > From: Alan Third <alan@idiocy.org>
> > Date: Sun, 18 Dec 2016 11:51:37 +0000
> > Cc: 25219@debbugs.gnu.org
> > 
> > > run M-x ispell-buffer
> > >
> > > watch it fail on fist word not in dictionry
> > >
> > > I use ispell before sending mail (dyslexia and sspect keyboad)
> > >
> > > een this way fo a week or so
> > 
> > It looks like this started with commit:
> > 
> > db6e1f82976a7f232a4a206a3c850ed34cfbfdd3
> > 
> > The following patch appears to fix the problem for me, but I have my
> > doubts it's the best way to handle it and I've only tested with
> > hunspell.
> > 
> > modified   lisp/textmodes/ispell.el
> > @@ -3338,7 +3338,7 @@ ispell-process-line
> >  	  ;; Markers can move with highlighting!  This destroys
> >  	  ;; end of region markers line-end and ispell-region-end
> >  	  (let ((word-start
> > -		 (copy-marker (+ ispell-start (car (cdr poss)))))
> > +		 (copy-marker (+ ispell-start -1 (car (cdr poss)))))
> >  		(word-len (length (car poss)))
> >  		(line-end (copy-marker ispell-end))
> >  		(line-start (copy-marker ispell-start))
> > 
> > Any thoughts?
> 
> We definitely need to keep the -1 offset there.  (It was previously
> supplied by ispell-offset, but that variable was deleted.)  The reason
> for the offset is that the line we send to the speller has a "^"
> prepended to it (see the documentation of the Ispell interface for the
> reason why).
> 
> Please add a comment to that effect when you commit the above.

Done.

Thanks!
-- 
Alan Third