bug#8545: issues with recent doprnt-related changes

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: eggert@cs.ucla.edu,  8545@debbugs.gnu.org,  emacs-devel@gnu.org
> Date: Sat, 07 May 2011 00:18:47 -0300
> 
> >> note that "the position of the nul byte" is the same as "the length
> >> of the list", so it's still <= MOST_POSITIVE_FIXNUM.  It's only the
> >> position after the nul byte that would overflow.
> 
> > But what about this code and its commentary (from
> > next_element_from_c_string):
> 
> >   /* IT's position can be greater IT->string_nchars in case a field
> >      width or precision has been specified when the iterator was
> >      initialized.  */
> >   if (IT_CHARPOS (*it) >= it->end_charpos)
> >     {
> >       /* End of the game.  */
> >       ...
> 
> Do these ever make it into a Lisp_Object?

Well, the resulting string can be returned by format-mode-line, for
example.