seq increment '1' even when first > last?

[Tim Waugh]

Hi,

I'm trying to work out what prompted this change:

2003-09-04  Paul Eggert  <address@hidden>

        * src/seq.c (step): Default to 1.
        (print_numbers): Allow the output to be empty.
        (main): The default step is 1, even if LAST < FIRST;
        as per documentation.

The original behaviour, of automatically defaulting to -1 when
appropriate, seems on the face of it to be quite useful.  I wonder why
the code was changed to match the documentation, rather than the other
way around.

Tim.
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