Fixed building with LuaTeX

\newdimen is \outer, so it cannot be used a skipped branch
of \if<something>.

diff --git a/ucwmac2.tex b/ucwmac2.tex
index 6fd3f596c2875552a80eb9e14191ce412a4540c0..cb713d962067386d8c7bbe5594187e56eb8426d9 100644 (file)
--- 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