*CONNECT-IF-EXISTS* — Default value for the
if-exists parameter of connect.Variable
A valid argument to the if-exists
parameter of connect, that is, one of
:new, :warn-new, :error, :warn-old, :old.
The value of this variable is used in calls to
connect as the default
value of the if-exists
parameter. See connect for
the semantics of the valid values for this variable.