tree a8b76b4bd5ea8aade1c0eec1bf017ce91d863b0b
parent 20a48a818f4084f1b6480e3ec846c219abaafd5b
author Roberto Ierusalimschy <roberto@inf.puc-rio.br> 867451129 -0300
committer Roberto Ierusalimschy <roberto@inf.puc-rio.br> 867451129 -0300

for security reasons, one cannot change the tag of a udata
from Lua.