[tex-live] TeXLive 2009: XeLaTeX: Undefined control sequence with mag!=1000

[Dr. Werner Fink]

Hi,

just fresh taken from a user report (http://bugzilla.novell.com/show_bug.cgi?id=559257)
the file

 \documentclass{article}
 \usepackage[mag=1500]{geometry}
 \begin{document}
 Hi
 \end{document}

cause

 [...]
 *geometry detected driver: pdftex*
 ! Undefined control sequence.
 \@begindocumenthook ...\mag sp\divide \pdfhorigin 
                                                   \@tempdima \multiply \pdfh...
 l.3 \begin{document}
                    
 ? 
 ! Missing number, treated as zero.
 <to be read again> 
                    \multiply 
 l.3 \begin{document}
 [...]


Is this a known fact and how can this be solved?


         Werner

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