[tex-live] Bad .cfg files in TeX source tree?

[Zdenek Wagner]

2007/1/19, David Kastrup <dak at gnu.org>:
> Heiko Oberdiek <oberdiek at uni-freiburg.de> writes:
>
> > On Fri, Jan 19, 2007 at 04:50:53PM +0100, Frank Küster wrote:
> >
> >> David Kastrup <dak at gnu.org> wrote:
> >>
> >> > "Zdenek Wagner" <zdenek.wagner at gmail.com> writes:
> >> >
> >> >> 2007/1/19, David Kastrup <dak at gnu.org>:
> >> >>> Jonathan Kew <jonathan_kew at sil.org> writes:
> >> >>> ...
> >> >>
> >> >>> I think this is too complicated.  Packages should just check whether
> >> >>> \pdfpagewidth is defined and set it if it is.
> >> >>>
> >> >>> Whether the actual engine is PDFTeX, XeTeX, Aleph or whatever else is
> >> >>> rather irrelevant.
> >> >>>
> >> >> If \pdfoutput=0, \pdfpagewidth is available but has no effect.
> >> >
> >> > Setting it would nevertheless not do any harm.
> >>
> >> Hm, shouldn't it usually write papersize \specials in the dvi file,
> >> then, suitable for dvips or dvipdfm, respectively?
> >
> > Usually these specials set the papersize for the whole dvi file
> > with *all* pages. \pdfpagewidth, \pdfpageheight can also set
> > the papersize for individual pages. I don't know, how XeTeX
> > behaves.
>
> One can use PostScript specials to change the page dimensions in the
> middle of a document (preview.sty does this with its "tightpage"
> option).
>
> It might be worth an idea to implement some interface for passing such
> changes through.  On the other hand, this sounds like it could require
> mucking with \everyshi or similar, and that might not be the nicest
> idea.
>
> Another possibility would be if pdfTeX would emit the respective
> PostScript specials on its own in DVI mode when doing a \shipout and
> \pdfpagewidth/\pdfpageheight have changed.
>
Are you sure that dvips understands the same \special as dvipdfm and
other potential dvi2something drivers?
> --
> David Kastrup
>


-- 
Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz