\bottomfraction
\caption[]{}
\cc{}
+\ce{}
+\cf{}
\ccname
\centering
\centerline{translate}
\vspace{}
\vspace*{}
\whiledo{}{}
+\xymatrix{} % this is basically an array => the contents would be parsed badly (bug 8396)
% LaTeX environments.
% They have always one extra "argument":