% \iffalse % Copyright 2006-2009 by Will Robertson % % Distributable under the LaTeX Project Public License, % version 1.3c or higher (your choice). The latest version of % this license is at: http://www.latex-project.org/lppl.txt % % This work is maintained by Will Robertson. % \fi % Ensure loading a single time only \csname ifxetexloaded\endcsname \let\ifxetexloaded\endinput % Declare ourselves to \LaTeX \expandafter\ifx\csname ProvidesPackage\endcsname\relax\else \ProvidesPackage{ifxetex} [2009/01/23 v0.5 Provides ifxetex conditional] \fi % For \XeTeX-exclusive packages \def\RequireXeTeX{% \ifxetex\else \begingroup \errorcontextlines=-1\relax \newlinechar=10\relax \errmessage{^^J ********************************************^^J * XeTeX is required to compile this document.^^J * Sorry!^^J ********************************************}% \endgroup \fi} % Abort if \cmd\ifxetex\ is already defined % (assume that it has already been set correctly)^^A % \footnote{Thanks to \textit{Dan Luecking} for suggesting this.} \expandafter\ifx\csname ifxetex\endcsname\relax\else \expandafter\endinput \fi % Create and set \cmd\ifxetex\ accordingly \newif\ifxetex \expandafter\ifx\csname XeTeXrevision\endcsname\relax \xetexfalse \else \xetextrue \fi