Revert "Clarify icomplete-show-matches-on-no-input doc string"

This reverts commit f352c57972d24464a42ea3e65dc8ac07d8e0517c.

The new explanation of what icomplete does is wrong.

diff --git a/lisp/icomplete.el b/lisp/icomplete.el
index 9c1470812abc3e21e4a9803f449d356571d47734..4e546807b7f0c8cf77449ebecef73c09beb3e70b 100644 (file)
--- a/lisp/icomplete.el
+++ b/lisp/icomplete.el
@@ -75,12 +75,7 @@ everything preceding the ~/ is discarded so the interactive
 selection process starts again from the user's $HOME.")
 
 (defcustom icomplete-show-matches-on-no-input nil
-  "If nil, don't wait for completions before showing the prompt.
-Instead, when there's no input, completions may be displayed
-asynchronously later, when the completions have been computed.
-
-If non-nil, always compute the completions first.
-
+  "When non-nil, show completions when first prompting for input.
 This also means that if you traverse the list of completions with
 commands like `C-.' and just hit RET without typing any
 characters, the match under point will be chosen instead of the