Quote: Language Craft defines a context-sensitive grammar with case frames: a header pattern (matches input) and a set of cases [»tichWF11_1987]

Quote: a case in a case frame grammar are optional or required sentence fragments which are matched after the header pattern is found

Quote: a case in a case frame grammar may be found relative to the header or a case maker (word(s))

Quote: a case filler in a case frame grammar is the case minus its marker; it is another pattern or case frame [»tichWF11_1987]

Quote: associative language descriptions (ALD) use permissible contexts instead of nonterminals; subset of context-free languages; unique ALD for a set of trees [»reghSC1_2000]