From b24603f6a4cfe99df529c144702f6123485dc07a Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Fri, 4 Dec 1998 05:07:27 +0000
Subject: [PATCH] Fix bug: under some circumstances a null completion message
 was being echoed in the minibuffer.

---
 v7/src/edwin/prompt.scm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/v7/src/edwin/prompt.scm b/v7/src/edwin/prompt.scm
index 7dc7deb82..2b25f6c99 100644
--- a/v7/src/edwin/prompt.scm
+++ b/v7/src/edwin/prompt.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;	$Id: prompt.scm,v 1.172 1998/11/18 03:17:41 cph Exp $
+;;;	$Id: prompt.scm,v 1.173 1998/12/04 05:07:27 cph Exp $
 ;;;
 ;;;	Copyright (c) 1986, 1989-98 Massachusetts Institute of Technology
 ;;;
@@ -680,7 +680,8 @@ a repetition of this command will exit."
 
 (define (completion-message string)
   (if (typein-window? (current-window))
-      (temporary-typein-message (string-append " [" string "]"))
+      (if (not (string-null? string))
+	  (temporary-typein-message (string-append " [" string "]")))
       (message string)))
 
 (define (temporary-typein-message string)
-- 
2.25.1