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Annotation of 43BSDTahoe/new/help/src/f77/carriage_cc, revision 1.1.1.1

1.1       root        1: .TI F77/CARRIAGE_CC "Sep. 4, 1985"
                      2: Fortran Carriage Control with f77
                      3: 
                      4: Normally no special processing of carriage control characters is
                      5: done by the f77 I/O library.  Two ways to get carriage
                      6: control character processing are to open the output file with "form=print":
                      7: 
                      8:        open( unit=6, form='print' )
                      9: 
                     10: or use the fpr filter on the output:
                     11: 
                     12:        a.out | fpr
                     13: 
                     14: Both of these will single space for a blank in column one,
                     15: double space for a '0' in column one, and replace a '1' in column
                     16: one by a form feed to skip to a new page.
                     17: 
                     18: With "form=print", any other character appearing in column one,
                     19: including '+', is deleted with no effect on vertical spacing.
                     20: 
                     21: With fpr, the effects of '+' (overprinting) are simulated using backspaces.
                     22: Characters in column one that are not recognized as carriage control
                     23: characters are printed in column one.  If there were any invalid carriage
                     24: control characters, before ending, fpr writes out how many invalid
                     25: carriage control characters there were.

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