+[key_histsearch]
+ctrl-o = "/input history_use_get_next"
+ctrl-q = "/input search_stop"
+ctrl-r = "/input search_previous"
+ctrl-s = "/input search_next"
+ctrl-x = "/input search_switch_regex"
+down = "/input search_next"
+meta-c = "/input search_switch_case"
+return = "/input search_stop_here"
+tab = "/input search_switch_where"
+up = "/input search_previous"
+