included in the BSD Games collection. I have it from Don Woods directly
that "[Jim Gillogly] was one of the first to request and receive a copy
of the source" but that Woods did not actually know of the BSD port
-until I brefed him on it in 2017. (This contradicts some implications
+until I briefed him on it in 2017. (This contradicts some implications
in third-party histories.)
Many other people ported and extended the game in various directions.
A notable version was the first game shipped for the IBM Personal
-Computer in 1981; this, for which neither Crowther nor Woods nor
-Gillogly were paid royalties, what "The Original" was competing
-against.
+Computer in 1981; neither Crowther nor Woods nor Gillogly were paid
+royalties.
The history of these non-mainline versions is complex and
murky. Functional differences were generally marked by changes in the
contained a rights reservation by Don Woods and that was it.
I wrote to Don asking permission to release 2.5 under 2-clause BSD;
-he replied on 15 May giving both permission and encouragement.
+he replied on 15 May 2017 giving both permission and encouragement.
Here is what Don said about differences between the original Adventure
and 2.5: