If @var{keymap} is @code{nil}, then the maps used are the current active
keymaps, disregarding @code{overriding-local-map} (that is, pretending
its value is @code{nil}). If @var{keymap} is non-@code{nil}, then the
-maps searched are @var{keymap} and the global keymap.
+maps searched are @var{keymap} and the global keymap. If @var{keymap}
+is a list of keymaps, only those keymaps are searched.
Usually it's best to use @code{overriding-local-map} as the expression
for @var{keymap}. Then @code{where-is-internal} searches precisely the