Lua: Good, bad, and ugly parts

“I have come across several detailed lists that mention good and not-so-good parts of Lua (for example, Lua benefits, why Lua, why Lua is not more widely used, advantages of Lua, Lua good/bad, Lua vs. JavaScript, and Lua Gotchas), but I found that some of the features that tripped me or that I cared about were not listed, so I put together my own list. It is far from being comprehensive and some aspects of the language are not covered (for example, math and string libraries), but it captures the gist of my experience with the language…”

http://notebook.kulchenko.com/programming/lua-good-different-bad-and-ugly-parts