1 <?xml version="1.0" encoding="UTF-8"?>
3 <!-- DTD for persistent lambda-delta logical data -->
7 <!ENTITY % leaf '(Sort|LRef|GRef)'>
9 <!ENTITY % node '(Cast|Appl|Abst|Abbr|Void)'>
11 <!ENTITY % term '(%node;*,%leaf;)'>
15 position NMTOKEN #REQUIRED
23 position NMTOKEN #REQUIRED
37 <!ELEMENT Cast %term;>
39 arity NMTOKEN #IMPLIED
44 <!ELEMENT Appl %term;>
46 arity NMTOKEN #IMPLIED
51 <!ELEMENT Abst %term;>
53 name NMTOKENS #IMPLIED
54 arity NMTOKEN #IMPLIED
59 <!ELEMENT Abbr %term;>
61 name NMTOKENS #IMPLIED
62 arity NMTOKEN #IMPLIED
69 name NMTOKENS #IMPLIED
70 arity NMTOKEN #IMPLIED
75 <!-- ENVIRONMENT ENTRIES -->
77 <!ENTITY % entity '(ABST|ABBR)'>
79 <!ELEMENT ABST %term;>
87 <!ELEMENT ABBR %term;>
97 <!ELEMENT ENTITY %entity;>
99 hierarchy NMTOKEN #REQUIRED
100 options NMTOKENS #IMPLIED