Name: Graph Check for Exact One Master Requirement
Type: requirement
Invented on: 2010-03-01
Invented by: flonatel
Owner: development
Description: \textsl{rmtoo} \textbf{must} check that there exactly one
 master requirement.
Rationale: The master requirement does not have any successors.  It is
 the only requirement without successors.  There must be only one
 master requirement --- which is the base or root of everything. 
Status: finished
Priority: development:10
Topic: Input
