With this macro you can display an arbitrary piece of text based on a submitted form variable on the previous  page. This can be handy to set a radiobutton to 'selected' for example based on an earlier answer. 

Macro for displaying an arbitrary piece of text based on a submitted form field on the previous page.

       #-------------------------------------------------------------------

       process ( fieldName, value, returnValue )

       Checks the value of a processed form element and returns a string.  This can be handy to check radiobut‐
       tons when a form is submitted but incomplete.

       fieldName

       value

       returnValue