[project @ 2002-09-18 11:32:43 by simonmar]

[project @ 2002-09-18 11:32:43 by simonmar]
Sort out the divide-by-zero situation.

Some integer division operations called error on a divide by zero, and
some didn't test for it.  Now we always raise the DivideByZero
exception.

MERGE TO STABLE