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On Tue, Nov 10, 2009 at 4:51 PM, Philipp Janda <siffiejoe@gmx.net> wrote:
> And in that case it's not necessary to use normal text as output at all.
> So here is my try using graphviz. It should handle cycles, metatables,
> environment tables and upvalues. I used it to debug __index-cycles in a
> mixture of generated and hand-written code (was a real mess). Source is
> public domain.

This is truly cool.  To show what it does when passed _G while running
luajit 1.1.5:

http://mysite.mweb.co.za/residents/sdonovan/lua/lua.png

Under the circumstances, does very well!

steve d.