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#### 5.1.5 Commas in `FORMAT` specifications

To support legacy codes, GNU Fortran allows the comma separator to be omitted immediately before and after character string edit descriptors in `FORMAT` statements. A comma with no following format decriptor is permited if the `-fdec-blank-format-item` is given on the command line. This is considered non-conforming code and is discouraged.

                PRINT 10, 2, 3
         10     FORMAT ('FOO='I1' BAR='I2)
                print 20, 5, 6
         20     FORMAT (I3, I3,)