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Joe Andresen wrote:
anyone else get this using the source?

bad argument #1 to '?' (number expected, got no value)

line 22 of the test file:

if pcall(f) or pcall(f, "z") or pcall(f, true) then

where f is the function "tobit"

Everything's OK on my machine.
However this error can be reproduced if pcall is redefined, e.g.:
  pcall = function(f, ...) return true, f(...) end