From a053c6d1b072f080bb13bc1a479ac6db7dd2b154 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Fri, 22 Jul 2011 12:50:31 -0700
Subject: Use iftex to detect luatex, xetex, ...

---
 latex.template | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/latex.template b/latex.template
index ffd1c34e6..8ecc73c1f 100644
--- a/latex.template
+++ b/latex.template
@@ -1,18 +1,18 @@
 \documentclass$if(fontsize)$[$fontsize$]$endif${article}
 \usepackage{amssymb,amsmath}
-$if(xetex)$
-\usepackage{ifxetex}
-\ifxetex
+\usepackage{iftex}
+\ifXeTeX
   \usepackage{fontspec,xltxtra,xunicode}
   \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase}
 \else
-  \usepackage[mathletters]{ucs}
-  \usepackage[utf8x]{inputenc}
+  \ifLuaTeX
+    \usepackage{fontspec}
+    \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase}
+  \else
+    \usepackage[mathletters]{ucs}
+    \usepackage[utf8x]{inputenc}
+  \fi
 \fi
-$else$
-\usepackage[mathletters]{ucs}
-\usepackage[utf8x]{inputenc}
-$endif$
 $if(natbib)$
 \usepackage{natbib}
 \bibliographystyle{plainnat}
-- 
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