"Toggle incremental minibuffer completion.
As text is typed into the minibuffer, prospective completions are indicated
in the minibuffer.
-This variable should be set only with \\[customize], which is equivalent
-to using the function `icomplete-mode'.
+Setting this variable directly does not take effect;
+use either \\[customize] or the function `icomplete-mode'."
:set (lambda (symbol value)
(icomplete-mode (if value 1 -1)))
:initialize 'custom-initialize-default