\@ifundefined is an If-Then-ELSE construct.
This commit is contained in:
Juergen Spitzmueller 2016-09-04 17:43:51 +02:00
parent 7d52d37662
commit b14d9186bb

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@ -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");