On Tue, Aug 14, 2012 at 12:33:04AM +0200, Reinhard Kotucha wrote: > I assume that you are wondering about > > > No pages of output.
No, he's wondering why io.popen returns nil, of course. There is an
option to disable it, and I guess it's on by default in TeX Live.
Michael, just run LuaTeX with --shell-escape (see the man page).
Arthur
