def update_docs(self, iface, module):
        """Updates the documentation for the specified interface using the module predocs."""        
        #We need to look in the parent module docstrings for this types decorating tags.
        key = "{}.{}".format(module.name, iface.name)
        if key in module.predocs:
            iface.docstring = self.docparser.to_doc(module.predocs[key][0], iface.name)
            iface.docstart, iface.docend = (module.predocs[key][1], module.predocs[key][2])
Updates the documentation for the specified interface using the module predocs.