@span .c-cmt {-/* “make_code” is the scancode.  “pressed” is a boolean that is true if this is a}
   @span .c-cmt {-keydown event, and false if it’s a keyup. */}

r = @span .c-fn {-my_handler_function}(make_code, pressed);
@span .c-kw {-if} (r != @span .c-pp {-EC_SUCCESS})
	@span .c-kw {-return} r;