docstring layoutName() const;
/// return the mandatory argument (LaTeX format) only
void getArgument(otexstream & os, OutputParams const &) const;
- /// return the optional argument(s) only
- void getOptArg(otexstream & os, OutputParams const &) const;
/// return the caption text
int getCaptionAsPlaintext(odocstream & os, OutputParams const &) const;
/// return the caption text as HTML