JIS X 0128:1988 (R2014)

This Japanese Industrial Standard specifies the following items concerning the manner of the expression of the control structures of procedure-oriented algorithms: (1) the nature of program constructs (hereafter referred also to as 'constructs') (see 5.) (2) the manner in which programs can be configured (see 4.) (3) specifications for the structures of constructs (see 3.) (4) the manner in which a variety of subsets can be defined by the use of the set of the defined constructs (see 7.)