Transcribed the last 2 pages from the 1972 script
Transcript: Corrections found by wdiff'ing

The scripts for the 1969 and 1972 version are identical. The 1972 code has some
UI improvements (messages when GC'ing), but otherwise only adaptations for LISP
changes (e.g. TCONC changed argument order!)

(TCONC changed argument order!)