On 12/26/06, Hans Hagen wrote:
>
> core-job.tex:\ifx\pdfshellescape\undefined \else
> core-job.tex:    \chardef\systemcommandmode \ifcase\pdfshellescape
> \plusone \else \plustwo \fi
>
> so \systemcommandmode is your friend

What exactly is the advantage of using \pdfshellescape over \ifeof18
as the basis of \systemcommandmode? The second one works in XeTeX as
well while the first is only good for pdfTeX, but perhaps there are
other reasons for using it.

Thanks,
    Mojca
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