sdesc: "The Revision Control System"
ldesc: "The Revision Control System (RCS) manages multiple 
revisions of files. RCS automates the storing, retrieval, 
logging, identification, and merging of revisions. RCS is 
useful for text that is revised frequently, e.g., programs, 
documentation, graphics, papers, and form letters."
category: Devel
requires: cygwin