???? "cheshire" aspect of hartog .... ???? propaganda for "proj geom = dimensional analysis" .... ???? ..... ?? excised stacky point as leaving its smile behind ???? ..... ??? smile as non-trivial line bundle ???? ..... ??? hmmm, but ... "that's funny, i could never play it before" .... ???????? ...... ?? for hartog ??? .... ?? ok in excising stacky point case ??? .....????