This diff shows the categories for each operator in the operator search popup.
This helps by giving some context to the operators which are often named assuming they will be access from a menu where the context is already quite obvious.
Example of a similar tool search popup for the atom editor.
One problem with this patch is the categories for operators is currently an 'internal' field that users never see, so its not always so user-friendly
(wm instead of WindowManager, ED instead of Editor for example).
We could always have a lookup table stored that shows a more friendly name, but this would ideally need to be extended so addons could include their own prefix, which gets a bit messy.