Blank resolution causing problems

[Max Kanat-Alexander]

On Sat, 2005-04-09 at 20:33 +0100, Gervase Markham wrote:
> Or is there another, better solution to this 
> problem? (Using "NULL" in the database instead of "" may make database 
> purists happier, but doesn't solve this problem as far as I can see.)

	Using NULL makes it considerably easier to special-case this when
necessary, and it also makes it easier to catch when we fail, because
DBI will return "undef" for a NULL field.

	I was planning to make that change eventually anyway, after 2.20 is
unfrozen.

	-Max