[luatex] Can't open pipe in .tex doc

[Arthur Reutenauer]

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