Re: master a1a435b3f6: Respect test function when performing local drag-and-drop

[Eli Zaretskii]

> +  DEFVAR_LISP ("x-dnd-native-test-function", Vx_dnd_native_test_function,
> +    doc: /* Function called to determine return when dropping on Emacs 
> itself.

What does it mean "to determine return"?  Did you mean "return value"?
or "what to return"?

> +It should accept two arguments POS and ACTION, and return a symbol
> +describing what to return from `x-begin-drag'.  POS is a mouse
> +position list detailing the location of the drop, and ACTION is the
> +action specified by the caller of `x-begin-drag'.

This alludes to `x-begin-drag', but it isn't clear how the variable
itself is related to that function.