brian 006e3f0640 Don't require that it_interval be valid if
it_value is set to zero - as per documentation.

Suggested by: ache & bde
1997-05-10 05:29:41 +00:00
..
1997-05-08 14:08:49 +00:00
1997-05-08 14:08:49 +00:00
1997-05-08 14:07:11 +00:00