+\hoffset=-1in \oddsidemargin=20mm \evensidemargin=\oddsidemargin
+\textwidth=\paperwidth \advance\textwidth by -2\oddsidemargin
+
+\voffset=-1in \topmargin=20mm \headheight=0mm \headsep=0mm
+\textheight=\paperheight \advance\textheight by -2\topmargin
+
+\newdimen\titlewidth