Version 2.9.7, Oct 28 1991: first markup for hypertext browser. This
version had 19432 lines, 152132 words, 999595 characters, and 1750
entries.

Version 2.9.8, Jan 01 1992: first public release since the book,
including over fifty new entries and numerous corrections/additions to
old ones. Packaged with version 1.1 of vh(1) hypertext reader. This
version had 19509 lines, 153108 words, 1006023 characters, and 1760
entries.

Version 2.9.9, Apr 01 1992: folded in XEROX PARC lexicon. This version
had 20298 lines, 159651 words, 1048909 characters, and 1821 entries.

Version 2.9.10, Jul 01 1992: lots of new historical material. This
version had 21349 lines, 168330 words, 1106991 characters, and 1891
entries.

Version 2.9.11, Jan 01 1993: lots of new historical material. This
version had 21725 lines, 171169 words, 1125880 characters, and 1922
entries.

Version 2.9.12, May 10 1993: a few new entries & changes, marginal
MUD/IRC slang and some borderline techspeak removed, all in
preparation for 2nd Edition of TNHD. This version had 22238 lines,
175114 words, 1152467 characters, and 1946 entries.

Version 3.0.0, Jul 27 1993: manuscript freeze for 2nd edition of TNHD.
This version had 22548 lines, 177520 words, 1169372 characters, and
1961 entries.