Allen L. Brown, Jr.*t and Howard A. Blairt§ We present a powerful grammar-based paradigm for electronic document markup: coordinated def-inite clause translation grammars. This markup is of a declarative character, being, in effect, a col-lection of constraints on the logical and physical structure of documents. To the best of our knowl-edge, coordinated grammars and their parsers can accommodate all of the descriptive and layout pro-cessing functionality enjoyed by extant electronic markup languages. We describe an operational prototype that demonstrates the feasibility of a syntax-directed basis for formalizing and realizing document layout4
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