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...Jjx macros for cobol syntax diagrams unisys corporation morgan avenue irvine ca abstract have a unique format that has evolved into an industry wide standard this is particularly difficult to accommodate without treating the diagram as artwork when manual contains over hundred several of our manuals at do production process becomes quite unwieldy however tg s math mode can be exploited allow inclusion within document itself paper presents typeset divided two parts fist demonstrates how use set create and second part lists explains actual macro definitions are composed four basic kinds elements items required optional offer choice repeated in addition contain reserved words which displayed uppercase programmer supplied information lowercase these combined form complicated but first let look each element by composition used discussed later see section underlined example value clause looks like literal coded using simply req l if occur row they must identified individually produces move c...