spec header front body back title subtitle version w3c-designation w3c-doctype pubdate notice publoc prevlocs latestloc authlist copyright status abstract pubstmt sourcedesc langusage revisiondesc day month year p ednote ulist olist slist glist example loc attval att el var function code xnt nt kw xtermref xspecref titleref termref specref bibref sup sub quote phrase emph term termdef proto definitions note footnote orglist blist issue wfcnote vcnote constraintnote eg graphic scrap table head name date edtext arg typedef constant exception reference group module interface item sitem gitem label def member affiliation role bibl source resolution constraint prodgroup prod bnf prodrecap lhs rhs com wfc vc caption col colgroup thead tfoot tbody tr th td descr struct enum sequence union typename component enumerator case method attribute parameters returns raises param author email language div1 div2 div3 div4 div5 inform-div1