MODE..., or, if it's a minor mode, when that minor mode is enabled in
the current buffer.
-Note that these forms will only have their effect if the
+Note that these forms will only have their effect for 'M-x' if the
'read-extended-command-predicate' user option is customized to call
'command-completion-default-include-p' or a similar function. The
default value of 'read-extended-command-predicate' is nil, which means
no commands that match what you have typed are excluded from being
-completion candidates.
+completion candidates. The forms will, however, be used by 'M-S-x' by
+default.
** 'define-minor-mode' now takes an ':interactive' argument.
This can be used for specifying which modes this minor mode is meant