> What manual are you referring to? 5.1 or 5.2? > > The 5.1 manual (http://www.lua.org/manual/5.1/manual.html) seems to be > all right according to the W3C validator (http://validator.w3.org/). So does the 5.2 manual at http://www.lua.org/work/doc/manual.html except for a silly complaint about ABSBOTTOM for the alert icon, which will not be part of the final document.