hr = element hr { hr.attlist }
hr.attlist = Common.attrib
Block.class |= hr
b = element b { b.attlist, Inline.model }
b.attlist = Common.attrib
big = element big { big.attlist, Inline.model }
big.attlist = Common.attrib
i = element i { i.attlist, Inline.model }
i.attlist = Common.attrib
small = element small { small.attlist, Inline.model }
small.attlist = Common.attrib
sub = element sub { sub.attlist, Inline.model }
sub.attlist = Common.attrib
sup = element sup { sup.attlist, Inline.model }
sup.attlist = Common.attrib
tt = element tt { tt.attlist, Inline.model }
tt.attlist = Common.attrib
Inline.class |= b | big | i | small | sub | sup | tt