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Clarify nature of parse_args 'args' argument. (#3292)

Patch by Paul.j3.  Includes an unrelated but useful addition to the
optparse porting section.
R
R. David Murray committed
0c7983e4adf9604d0ac93757a45d14be06c27696
Parent: f58e6e2
Committed by GitHub <noreply@github.com> on 9/4/2017, 8:17:26 PM