2012/01/23 v1.2a * fix spurious space * clarify doc about backslashes and Lua strings (sugg. by Herbert) 2011/12/29 v1.2 * new helper macros \luastring, \luastringO, \luastringN * new debug (logging) feature 2011/05/24 v1.1 * compatibility with luatexbase 0.4 2010/11/08 v1.0 * initial version