impl xs models impl dtd models CMNode impl dtd models CMStateSet xscmleaf cmnode fleaf fparticleid xscmleaf type leaf id position type fleaf leaf fparticleid id position getleaf fleaf getparticleid fparticleid isnullable stringbuffer strret stringbuffer fleaf.tostring strret.append append append strret.tostring calcfirstpos cmstateset toset.zerobits toset.setbit calclastpos cmstateset toset.zerobits toset.setbit