On Wed, 16 Jul 2008, Heiko Oberdiek submitted an update to the
pdfcrop
package.
It contains a perl script that can either trim pages of any whitespace border, or trim them of a fixed border.
Location on CTAN: /support/pdfcrop/pdfcrop.pl License: LPPL
Changes:
2008/07/16 v1.10: Support for XeTeX added with new options --pdftex, --xetex, --xetexcmds.
Thanks for the upload.
For the CTAN Team Rainer Schöpf