The fix will be available in Q3 2014 SP1, expected in the end of November.
Effectivey this means you can't currently use server objects within the footer e.g. to hold business logic for a redirect to main search results page (see for example how the footer on search autocomplete works on facebook) On a wider point one wants to be able to use the footer as a customisable replacement for AND ALTERNATIVE TO the Show all results footer that autmatically appears when a limit is placed on autocimplete results.