Amend 97b9e81ceef7aae

\@ifundefined is an If-Then-ELSE construct.

diff --git a/src/LaTeXFeatures.cpp b/src/LaTeXFeatures.cpp
index 8b7287e5307e2cc384f75d02c69a6839245539ad..999fbd6a7ecc40e427e6554349ff51dff00eb163 100644 (file)
--- a/src/LaTeXFeatures.cpp
+++ b/src/LaTeXFeatures.cpp
@@ -231,8 +231,8 @@ static docstring const papersizepdf_def = from_ascii(
 
 static docstring const papersizepdflua_def = from_ascii(
        "% Backwards compatibility for LuaTeX < 0.90\n"
-       "\\@ifundefined{pageheight}{\\let\\pageheight\\pdfpageheight}\n"
-       "\\@ifundefined{pagewidth}{\\let\\pagewidth\\pdfpagewidth}\n"
+       "\\@ifundefined{pageheight}{\\let\\pageheight\\pdfpageheight}{}\n"
+       "\\@ifundefined{pagewidth}{\\let\\pagewidth\\pdfpagewidth}{}\n"
        "\\pageheight\\paperheight\n"
        "\\pagewidth\\paperwidth\n");