>	Your patch: set seconds to 0 when seconds < 0, 
>	BIND 4.9.7 and 8.2.2: set seconds to 1 when seconds <= 0, 

	I checked the current tree, and found that our code is exactly the
	same as BIND 4.9.7 and BIND 8.2.3.  so I must ask.

>>This bug was also reported to the BIND development team at the same
>>time.  They quickly acknowledged the problem and fixed it immediately
>>in their distribution.

	... which BIND revision contains your proposed fix?

itojun