Re: [Bug-AUCTeX] 11.86; preview confused by beamer+xelatex

[Giacomo Boffi]

Ralf Angeli writes:
 > * Giacomo Boffi (2011-03-27) writes:
 > 
 > > Ralf Angeli writes:

hi Ralf, sorry for the late reply

 > >  > It looks like the document class or some package sets \pdfoutput.
 > >  > There is even a warning about this by the ifpdf package in the log.
 > >  > If \pdfoutput is set, preview.sty assumes that PDFLaTeX is used.
 > >  > It then checks the value of \pdfoutput in order to find out if PDF
 > >  > output is produced.  In your example the value is 0, so preview.sty
 > >  > comes to the conclusion that DVI output is produced.  And that's
 > >  > why preview-latex then calls dvips.
 > >  > 
 > >  > I didn't look by whom \pdfoutput is set to 0, but this looks a bit
 > >  > fishy.  Do you happen to know where and why this is done?
 > >
 > > i don't, sorry
 > 
 > It looks like beamer.cls does this itself:
 > 
 > ,----[ from beamer.cls ]
 > | %
 > | % Ensure that \pdfoutput is defined. Might be removed at some point.
 > | %
 > | address@hidden \newcount\pdfoutput \fi
 > | \ifx\pdfoutput\relax \newcount\pdfoutput \fi
 > `----

as i came to the same conclusion i submitted a bug report to the
beamer development, no reply as yet...

 > >  > In any case, either the document class or some package loads
 > >  > hyperref and recent versions of it are incompatible with
 > >  > preview.sty.  So even if we can get rid of the \pdfoutput
 > >  > problem, you won't have much joy with this combination.
 > >
 > > my debian has texlive 2009, so newest releases of hyperref shouldn't
 > > cast too dark a shadow on my texing...
 > 
 > I think the incompatibility already exists in this release.  I'm
 > using the same version of TeX Live and when I load hyperref in
 > circ.tex (the preview-latex showcase), preview-latex complains that
 > it found no previews.  At least when it is run on the document.
 > Running it at point oddly seems to work.
 
my environment should be different, because i routinely run C-c C-p
C-d and everything is fine

thank you very much, ciao
                                                                gb
     

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