IO.getPreprocessHTMLPasteFunction
Use this function to check if a preprocessing mechanism was already set in the system to avoid overwriting it.
Description
This function returns the function previously set using IO.setPreprocessHTMLPasteFunction. It returns undefined if no custom function was set.
IO.getPreprocessHTMLPasteFunction();
Return Value
Function. The function set with IO.setPreprocessHTMLPasteFunction.