From mboxrd@z Thu Jan  1 00:00:00 1970
From: ralph@inputplus.co.uk (Ralph Corderoy)
Date: Wed, 15 Nov 2017 11:42:14 +0000
Subject: [TUHS] basic tools / Universal Unix
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Message-ID: <20171115114214.6716E1F978@orac.inputplus.co.uk>

Will Senn wrote:
> Finally, ed is the sibling of sed

Parent.  :-)

Something I learned today was (sed's author) McMahon's method of
arranging a tournament.

    ...was originally used as a club ranking system at the New York Go
    Club.  It was then adopted for Go tournaments in Britain, and has
    since become the most popular tournament system used in Go.
        — https://en.wikipedia.org/wiki/McMahon_system_tournament

-- 
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy