PUBLIC "-//Houston//DTD snafu5//EN" snafu5.dtd
PUBLIC "-//Houston//DTD spaper4//EN" spaper4.dtd
PUBLIC "-//Houston//DTD smemo4//EN" smemo4.dtd
SYSTEM "spaper3" "spaper3.dtd"
SYSTEM "smemo3" "smemo3.dtd"
SYSTEM "spaper2" "spaper2.dtd"
SYSTEM "smemo2" "smemo2.dtd"
PUBLIC "ISO 8879:1986//ENTITIES Numeric and Special Graphic//EN" ISOnum
PUBLIC "ISO 8879:1986//ENTITIES Publishing//EN" ISOpub
PUBLIC "ISO 8879:1986//ENTITIES Added Latin 1//EN" ISOlat1
PUBLIC "ISO 8879:1986//ENTITIES Added Latin 2//EN" ISOlat2
PUBLIC "ISO 8879:1986//ENTITIES Diacritical Marks//EN" ISOdia
PUBLIC "ISO 8879:1986//ENTITIES General Technical//EN" ISOtech
