Robert Covington writes:

<<You don't need a license to read them, only for writing them.>>

Are you sure?  I read somewhere on the internet (although the information was 
somewhat dated which is why I asked this question) that Unisys was even going 
after those who were just reading them.  If you don't need a license to read, 
then I am definitely going to incorporate that capability into my software.

James Schumacher