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I. The Role of Systematic Indentation Many practitioners, including the author, believe that systematic indentation of DO-groups and IF-THEN-ELSEs is very helpful in improving program intelligibility. Most significantly, Professor Ben Shneiderman and three of his graduate students report in [Miar83] that "Recent studies have concentrated on program… (More)
SUMMARY An unconventional, "minimum-period" COBOL coding style is described, illustrated and recommended. A simple formula is proposed that calculates the correct number of periods in a SECTIONiess PROCEDURE DIVISION written in this style. COBOL practitioners know that misplaced periods are a common source of program bugs. One reason for the trouble is the… (More)
It is not necessary to use a backward-directed GO TO in FORTRAN. In othe r words, if a FORTRAN program exists which contains backward-directed GO TOs, the n other FORTRAN program(s) exist with (1) the same functionality as the origina l program and (2) no backward-directed GO TOs. 2. Argumen t Bohm and Jacopini [Bohm66J have shown that the control… (More)