Added lexer spec
Added lexer spec

linuxmaniac/luacheck,kidaa/luacheck,mpeterv/luacheck,xpol/luacheck,adan830/luacheck,xpol/luacheck,kidaa/luacheck,mpeterv/luacheck,linuxmaniac/luacheck,adan830/luacheck,tst2005/luacheck,xpol/luacheck,mpeterv/luacheck,tst2005/luacheck