Re: document m4_foreach*/AC_FOREACH

[Eric Blake]

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According to Ralf Wildenhues on 2/15/2006 5:22 PM:
> +dnl Make sure we do not divide by zero:
> +m4_for([myvar], 1, 1,  , [ myvar])
> +m4_for([myvar], 1, 1,+2, [ myvar])
> +m4_for([myvar], 1, 1,-2, [ myvar])

You probably also ought to have tests:

m4_for([myvar], 1, 2, 0, [ myvar])
m4_for([myvar], 1, 1, 0, [ myvar])
m4_for([myvar], 2, 1, 0, [ myvar])

to test that an explicit step size of 0 properly triggers an m4_assert,
distinct from a defaulted step size.

- --
Life is short - so eat dessert first!

Eric Blake             address@hidden
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