ViS cleanup before publication

I've gone through the ViS document and have suggested a number of
grammatical corrections. The attached file is in MS Word format.

 <<Variability in Specifications.doc>> 
Richard T. Kennedy
Web Services Team
Program Management Information Systems
Puget Sound Information Technology
Boeing Information Technology
The Boeing Company
PO Box 3707 MC 42-77
Seattle, WA 98124-2207
206-662-2304