On Nov 18, 2011, at 2:27 PM, Dirk Laurie wrote: > ... one can write one's new programs in "clean Lua, the common > subset of Lua 5.1 and 5.2". Here is a partial list. Also, Peter Cawley did a great job annotating the draft 5.2 documentation in respect to changes from 5.1: http://www.corsix.org/lua/5.2-beta-annotated/manual.html Worth a good read as it put these changes in context.