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"
Note: This function delays the script for 0.2 seconds."
Why?
A: Because who ever developed the API decided that implementors of the API should not be able to call this function more often than every 0.2 seconds. A kind of abuse prevention measure. Whether or not it is the best way to prevent abuse is hotly debated in some circles, as are most of LindenLab 's abuse prevention measures especially the ones in LSL.