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Quote: can backtrack execution in Cornell's PL/1

references t-z > QuoteRef: zelkMV9_1973


--topics--
backtracking

--subtopics--
backtracking in a program

Note

in Cornell's PL/1 have ability to back track i.e. RETRACE TO label AND statement or RETRACE STATEMENTS num-of-statement AND statement or RETRACE CONDITION expression AND statement backtracks till satisfied then executes statement and continues uses of tables

Note by barberCB 1980


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