Converts an accelerator keyval and modifier mask into a string parseable by accelerator_parse.
For example, if you pass in gdk_key_q and gdk_control_mask, this function returns `<Control>q`.
If you need to display accelerators in the user interface, see [[email protected]_get_label].
| accelerator_key |
accelerator keyval |
| accelerator_mods |
accelerator modifier mask |
|
a newly-allocated accelerator name |