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Another alternative is that these functions will end up returning a language agnostic value, such as nsIVariant. For example, the result of CallEventHandler is explicitly tested for a string, or for a null value - presumably these checks must still be made regardless of the language making the call. | Another alternative is that these functions will end up returning a language agnostic value, such as nsIVariant. For example, the result of CallEventHandler is explicitly tested for a string, or for a null value - presumably these checks must still be made regardless of the language making the call. | ||
==Event Handlers== | ==Event Handlers== |