The reference manual for Lua 5.1 is now available in hardcopy: http://www.amazon.com/exec/obidos/redirect?link_code=as2&path=ASIN/8590379833&tag=theprogrammil-20&camp=1789&creative=9325 The text has been updated with the comments we received since the release of Lua 5.1.1. We thank everyone that has sent comments on the manual. The web version will be updated shortly. --lhf