A new package has been installed at tug.ctan.org and should soon be at your favorite mirror.
Thank you, Jim Hefferon St Michael's College
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The following information was provided by the package's contributor.
Name of contribution: ifxetex Author's name: Will Robertson Location on CTAN: /macros/xetex/latex/ifxetex Summary description: Provides the ifxetex conditional License type: lppl
Announcement text given by the package's contributor: ---------------------------------------------------------------------- Provides an analogue to ifpdf for XeTeX; this package works for either LaTeX or Plain using eTeX extensions. ----------------------------------------------------------------------
See this package at http://tug.ctan.org/tex-archive/macros/xetex/latex/ifxetex . You may get a better network connection by using a CTAN mirror near to you; see http://tug.ctan.org/tex-archive/README.mirrors . Our service is supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .