>>>> "David" == David A Cobb
<superbiskit(a)home.com> writes: 
    David> And you've given the answer I needed.  If I say "r21-5-3"
&
    David> "no local changes" you know precisely what my source tree
    David> looks like.  There is no need to identify the date/time
    David> when I downloaded it.
Right.  I'm sorry it took so long to reach a meeting of minds.
Just goes to prove, concurrency is HARD.  :-)
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