HoTMetaL is an SGML Application Conforming to International Standard ISO 8879 - Standard Generalized Markup Language.
HoTMetaL conforms to the following system declaration (see clause 15.6 of ISO 8879):
<!SYSTEM "ISO 8879:1986" CHARSET BASESET "ISO 646-1983//CHARSET International Reference Version (IRV) //ESC 2/5 4/0" DESCSET 0 9 UNUSED 9 2 9 11 2 UNUSED 13 1 13 14 18 UNUSED 32 95 32 127 1 UNUSED BASESET "ISO Registration Number 109//CHARSET ECMA-94 Right Part of Latin Alphabet Nr. 3//ESC 2/13 4/3" DESCSET 128 32 UNUSED 160 5 32 165 89 32 254 1 127 255 1 UNUSED CAPACITY PUBLIC "ISO 8879:1986//CAPACITY Reference//EN" FEATURES MINIMIZE DATATAG NO OMITTAG YES RANK NO SHORTTAG YES LINK SIMPLE NO IMPLICIT NO EXPLICIT NO OTHER CONCUR NO SUBDOC NO FORMAL YES SCOPE DOCUMENT SYNTAX PUBLIC "ISO 8879:1986//SYNTAX Core//EN" VALIDATE GENERAL YES MODEL YES EXCLUDE NO CAPACITY NO NONSGML NO SGML YES FORMAL YES SDIF NO PACK NO >