Some options to control the formats display and prepare_mimebundle emit,
and the function they use to display them.
irdisplay_option_defaultsAn object of class list of length 3.
jupyter.display_mimetypesThe default is all MIME types supported by Jupyter.
jupyter.base_display_funcFunction used by display and all display_<text> / display_<image> functions.
	Has the signature function(data, metadata = NULL).
	Per default emits a warning, and is set when running an IRkernel.
jupyter.clear_output_funcFunction used by clear_output. Has the signature function(wait = TRUE).
	Per default emits a warning, and is set when running an IRkernel.