+% colophon commands
+\makeatletter
+\newcommand{\makecolophon}{
+ \clearpage
+ \thispagestyle{empty}
+ \noindent\@title
+ \\\copyright\ \@date\ \authorlong
+ \vspace{\fill}
+ \\Liber confectus cum \LaTeX. \picsnote
+}
+\newcommand{\authorlong}{\@author}
+\makeatother
+\newcommand{\picsnote}{}
+\newcommand{\setpicsnote}[1]{ % to add graphics notes
+ \AtBeginDocument{\renewcommand{\picsnote}{#1}}
+}
+\newcommand{\setauthorlong}[1]{ % to extend author data beyond \@author
+ \AtBeginDocument{\renewcommand{\authorlong}{#1}}
+}
+
+