to definition DEF in keymap MAP. The definition is not limited to
another command; it can be anything accepted for a normal binding.
-- The new function `remap-command' returns the binding for a remapped
- command in the current keymaps, or nil if it isn't remapped.
+- The new function `command-remapping' returns the binding for a
+ remapped command in the current keymaps, or nil if not remapped.
- key-binding now remaps interactive commands unless the optional
third argument NO-REMAP is non-nil.