<dtml-try> <dtml-if "_.int(variable) = variable"> Variable is integer <dtml-else> Variable is not integer </dtml-if> <dtml-except> Variable is not number </dtml-try> ----- Original Message ----- From: "Garry Saddington" <garry at schoolteachers.co.uk> > Is there any way to do data type checking in dtml-if, for example to check > that a variable is an integer?