///
void validate(LaTeXFeatures & features) const;
///
void updateBuffer(ParIterator const & it, UpdateType);
///
void addToToc(DocIterator const & di, bool output_active,
///
void validate(LaTeXFeatures & features) const;
///
void updateBuffer(ParIterator const & it, UpdateType);
///
void addToToc(DocIterator const & di, bool output_active,