MInputMethod
Which language this input method is for. The value is Mnil if the input method is foreign.
Mnil
Name of the input method. If the input method is foreign, it must has a property of key Minput_driver and the value must be a pointer to a proper input method driver.
Minput_driver
Input method driver of the input method.
The argument given to minput_open_im().
Pointer to extra information that <driver>.open_im() setups.