If parent element is claims and there are MULTIPLE sets of claims then: id = c01.0001, c01.0002, etc.;num = 0001, 0002, etc. id = c02.0001, c02.0002, etc.;num = 0001, 0002, etc. If parent element is amended-claims and there are MULTIPLE sets of amended-claims then: id = ac01.0001, ac01.0002, etc.;num = 0001, 0002, etc.
PCT/AI/DTD/5 page 48 --> <!ELEMENT description (doc-page+ | (invention-title? , (technical-field | background-art | disclosure | description-of-drawings | best-mode | mode-forinvention | industrial-applicability | sequence-list-text | (heading* , p+)+)+))> <!ATTLIST description id ID #IMPLIED lang CDATA #IMPLIED status CDATA #IMPLIED >