-Special elements look like (INDEX-NAME POSITION FUNCTION ARGUMENTS...).
-To \"go to\" a special element means applying FUNCTION
-to INDEX-NAME, POSITION, and the ARGUMENTS.
+POSITION is passed to `imenu-default-goto-function', so it can be
+a non-number if that variable has been changed (e.g. Semantic
+uses overlays for POSITIONs).
+
+Special elements look like
+\(INDEX-NAME POSITION FUNCTION ARGUMENTS...).
+To \"go to\" a special element means applying FUNCTION to
+INDEX-NAME, POSITION, and the ARGUMENTS.