A simple package which provides an \ifxetex conditional, so that other code can determine that it is running under XeTeX.
The package requires the e-TeX extensions to the TeX primitive set.
See also ifpdf ifvtex ifluatex.
The author is Will Robertson. The package is Copyright © 2006-2008 Will Robertson.
License: lppl Version: 0.5 Catalogued: 2012-03-06