From 6ceb4d18bbf61e8c0416f823d345423af2084387 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Tue, 11 Dec 2018 15:18:14 +0100
Subject: [PATCH] Fixed building with LuaTeX

\newdimen is \outer, so it cannot be used a skipped branch
of \if<something>.
---
 ucwmac2.tex | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/ucwmac2.tex b/ucwmac2.tex
index 6fd3f59..cb713d9 100644
--- a/ucwmac2.tex
+++ b/ucwmac2.tex
@@ -24,7 +24,7 @@
 	\pdfpkresolution=600	% Provide a reasonable default
 \fi\fi
 
-\ifx\directlua\undefined\else
+\ifx\luatexversion\undefined\else
 	% In LuaTeX \pdfpkresolution is not enough
 	\directlua{kpse.init_prog("luatex", 600, "ljfour")}
 \fi
@@ -66,8 +66,9 @@
 % If you modify these registers, call \setuppage afterwards
 \ifx\luatexversion\undefined
 	% In LuaTeX, \pagewidth and \pageheight are primitive
-	\newdimen\pagewidth
-	\newdimen\pageheight
+	% (also, we need \csname here, because \newdimen is \outer)
+	\csname newdimen\endcsname\pagewidth
+	\csname newdimen\endcsname\pageheight
 \fi
 \newdimen\leftmargin
 \newdimen\rightmargin
-- 
2.39.2