(defcustom icomplete-with-completion-tables t
"Specialized completion tables with which icomplete should operate.
-Icomplete does not operate with any specialized completion tables
-except those on this list."
+If this variable is a list, Icomplete will not operate with any
+specialized completion tables except those on this list. If this
+variable is t, it won't restrict completion tables."
:version "24.4"
:type '(choice (const :tag "All" t)
(repeat function)))