bug#33344: 26.1; doc-view bounding-box recognition doesn't work on path names with spaces

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Date: Mon, 12 Nov 2018 16:36:48 -0500
> Cc: 33344@debbugs.gnu.org
> 
> > Please change line 1218 from
> >
> >   (format "-dFirstPage=%s -dLastPage=%s %s"
> >
> > to
> >
> >   (format "-dFirstPage=%s -dLastPage=%s \"%s\""
> 
> Thanks for the report.
> I don't see a need for the shell to be involved at all here.
> The following seems to work for me - how about for you?

Thanks, but call-process won't DTRT if the default-directory is
remote, would it?

And I wonder how many more subtle incompatibilities will such a change
cause.  All that because we need to run a single string through
shell-quote-argument (and not just enclose it in double quotes)?  Is
it really worth it?