dtd boot.dtd Use DOCTYPE dtd SYSTEM "boot.dtd" doctype(#PCDATA)the name of the document type, i.e., the name of the root element (which needs to be defined) dtdref(#PCDATA)the (unquoted) system resource name of the DTD to be used with documents of the type "doctype"; this name is only used to generate a comment dtdelt tagsrr charrspc charnlbr charelsb chara charhrdash chars eoseos (ends of sentence made by GELLMU (33 printable, non (the tag requirement combinations string#PCDATA ag0rr(command argument dtdoo(preamble, body) preamblerr(doctype,dtdref,(cmt)zero or more comments body( eltro(ag0,ag0,ag0,(ag0)element: name, tags, defn, comments? enpro(ag0,ag0,(ag0)parameter entity: name, defn, comments? entro(ag0,ag0,(ag0)general entity: name, defn, comments? emptro(ag0,(ag0)empty element: name, comments? cmtrr((comment verbrr((inline verbatim, OK in cmt