[section {[doctoc] notation of tables of contents}] The doctoc format for tables of contents, also called the [term {doctoc markup language}], is too large to be covered in single section. The interested reader should start with the document [list_begin enum] [enum] [manpage {doctoc language introduction}] [list_end] and then proceed from there to the formal specifications, i.e. the documents [list_begin enum] [enum] [manpage {doctoc language syntax}] and [enum] [manpage {doctoc language command reference}]. [list_end] to get a thorough understanding of the language.