2010-08-12: 2.0: Complete rewrite. 2011-05-24: 2.1: Added extras/lexical.lisp. 2013-06-11: 2.2: Fixed typos in documentation.txt. 2015-07-15: 2.3: Fixed typos in documentation.txt. 2017-04-12: 2.4: Changed behavior of mul() when sizeof(long)==sizeof(long long). Compensated for recent brain damage in GCC. 2017-05-25: 2.5: Removed extraneous lines from Makefile. Fixed disassemble-print for opcodes like (pop . 1). Fixed typo and reduced max line length in documentation.txt. Fixed (loop (catch #f (catch #f (exit-loop) #f) #f)). Changed macro-doublequote to support \x[0-9A-Fa-f][0-9A-Fa-f]. 2017-05-29: 2.6: Added bigint.c and float.c as optional modules. Clarified documentation.txt regarding things like numcmp(). write-object now shows #t instead of a generic 1. 2021-11-19: 2.7: Fixed comment in optimizer.lisp. Removed optimization that can break if USE_FLOAT is defined. Fixed bug in write-string.