Editing WoW:Secure Execution and Tainting (section)

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The User Interface API's for WoW 2.0 have been updated to prevent scripted automation of decision making using the same code security model that protects the movement functions in prior releases. This means that several more of the API functions have been protected against execution from insecure code. 

A number of common WoW UI coding practices (most notably hooking) can easily cause problems in this model, preventing players from casting spells or performing actions, so I hope to explain how the security model works for developers in order for you to avoid these problems, as well as introducing some new Blizzard features to make existing ideas work under the new constraints.