I remember once reading that there were at least two other alternatives in开发者_如何学Pythonvented roughly at the same time as the WAM. Any pointers?Prior to the WAM, there was the ZIP by Clocksin. I
Using PDF, is it possible to create a single form element with multiple fields of which several can be selected? For example, in HTML, one can create a set of checkboxes associated with the same field
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