I'm trying to nail down the origin of Xpediter.  
We all know it is now exclusively marketed by Compuware, but was this*always* 
the case? 
I find *multiple* Computerworld articles from the mid-80s with ads by 
"Application Development Systems, Inc" promoting an IBM Mainframe 
Batch/TSO/VM/CICS debugging product called "Xpediter".   

For examples, see: 
http://books.google.com/books?id=mXEbp4U3AT8C&pg=PA103
http://books.google.com/books?id=0OuJCcQkEzEC&pg=PA10-IA29
http://books.google.com/books?id=a8FBzsfoBZEC&pg=PA87
None of these ads give *any* indication that Xpediter is a Compuware product, 
yet the description *clearly* matches the Compuware product we all know. 
Was this a product which Compuware later acquired? 
( I doubt this, as I find other pages which say Compuware launched Xpediter 
v1.0 some time in the '70s )
Was this a true competing product from a *different* vendor which just happened 
to have the same name as the famous Compuware product?
( I doubt this as I'm sure Compuware would have filed a lawsuit for trademark 
infrigement but I can't find any evidence that such a suit was ever filed)
Was "Application Development Systems" a licensee which sold Xpediter 
independently? 
( This seems most likely, yet I can find no evidence to conclusively support 
this )

Anyone here know the skinny on this?  
Gregory Kurtz??

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