+\perlnote{wxPerl provides the following shortcut method:
+\indented{2cm}{
+\begin{twocollist}\itemsep=0pt
+\twocolitem{{\bf SetPlData( item, data )}}{Sets the Perl data
+associated with the Wx::TreeItemData ( it is just the same as
+tree->GetItemData( item )->SetData( data ); ).}
+\end{twocollist}}
+}
+