"Proposal to drop disjunction requirement Steve Harris (Thursday, 30 September 2004)\nTo wit: 3.13 RDF Graph Pattern Matching - Disjunction\n " . "COMPLETED" . . . "2005-01-20" . "disjunction" . "2004-09-16" . . "disjunction" . . "section 6 More Pattern Matching \u2013 Alternatives is a sketch as of the 12 Oct 2004 WD; section 6 of editor's draft has more detail as of ~ Nov 2004" .