-\fnref{WRegion.rqclose} multiple times in a row. The \fnref{submap}
-function is used to define submaps or ''prefix maps''. The second
-argument to this function is table listing the key press actions
-(\fnref{kpress}) in the submap
+\fnref{WRegion.rqclose} multiple times in a row. The
+\fnrefx{ioncore}{submap} function is used to define submaps or
+``prefix maps''. The second argument to this function is table listing
+the key press actions (\fnrefx{ioncore}{kpress}) in the submap.
+The \fnrefx{ioncore}{submap_enter} handler is called when the submap
+is entered, in which this handler is defined. Likewise, the
+\fnrefx{ioncore}{submap_wait} handler is called when all modifiers
+have been released while waiting for further key presses in the submap.