seconds before removing it from display. The default behavior is to
display the binding for 2 seconds.
+@vindex extended-command-suggest-shorter
Commands that don't have key bindings, can still be invoked after
typing less than their full name at the @samp{M-x} prompt. Emacs
mentions such shorthands in the echo area if they are significantly
-shorter than the full command name. The setting of
-@code{suggest-key-bindings} affects these hints as well.
+shorter than the full command name, and
+@code{extended-command-suggest-shorter} is non-@code{nil}. The
+setting of @code{suggest-key-bindings} affects these hints as well.
In this manual, when we speak of running a command by name, we often
omit the @key{RET} that terminates the name. Thus we might say