[XeTeX] \(pdf)mdfivesum

[Akira Kakuto]

Dear Joseph,

> I have a request for a new primitive in XeTeX, not directly related to
> typesetting by I think useful. To understand why I'm asking, a bit of
> background would be useful.

The XeTeX in the latest TeX Live repository has
a new primitive \pdfmdfivesum imported from pdfTeX.
However the name and the implementation itself, are
still volatile.

Best regards,
Akira