@@ -1,11 +1,12 @@
11\documentclass$if(fontsize)$[$fontsize$]$endif${article}
22\usepackage{amssymb,amsmath}
3−\usepackage{iftex}
4−\ifXeTeX
3+\usepackage{ifxetex}
4+\usepackage{ifluatex}
5+\ifxetex
56 \usepackage{fontspec,xltxtra,xunicode}
67 \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase}
78\else
8− \ifLuaTeX
9+ \ifluatex
910 \usepackage{fontspec}
1011 \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase}
1112 \else
@@ -62,7 +63,7 @@ $if(graphics)$
6263\let\Oldincludegraphics\includegraphics
6364\renewcommand{\includegraphics}[1]{\Oldincludegraphics[width=\maxwidth]{#1}}
6465$endif$
65−\ifXeTeX
66+\ifxetex
6667 \usepackage[setpagesize=false, % page size defined by xetex
6768 unicode=false, % unicode breaks when used with xetex
6869 xetex]{hyperref}