Andrew Perrin writes:
> I'm trying to write what should be a simple function that returns the
> minimim of two integers. The complication is that when one of the two
> integers is NULL, it should return the other; and when both are NULL, it
> should return NULL.
Functions involving NULLs don't work well before version 7.1.
--
Peter Eisentraut peter_e@gmx.net http://yi.org/peter-e/
