On Tue, Jul 21, 2026 at 1:05 PM Jim Hall <[email protected]> wrote:
>
[..]
>
> Remove the ">" at the start of each line, so you preserve the columns.
>

For those who don't know FORTRAN 77 but want to experiment with this,
note that FORTRAN "1" through FORTRAN 77 used strict column rules
(this changed in Fortran 90, along with the capitalization of the
name).

The column rules are:

C or * in column 1 means that line is a comment

Columns 1 to 5 are for line labels (only numbers)

Column 6 indicates a continuation from the previous line (I usually
entered + or a number 1 to 9 here)

Columns 7 to 72 are for program statements

Columns 73 to 80 (or anything beyond that) are ignored


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