From 208920be0d721170cfd7684a5e387659b3b9fb31 Mon Sep 17 00:00:00 2001
From: Per Abrahamsen <abraham@dina.kvl.dk>
Date: Thu, 19 Jun 1997 15:31:34 +0000
Subject: [PATCH] Don't delete nil overlays.

---
 lisp/wid-edit.el | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lisp/wid-edit.el b/lisp/wid-edit.el
index 20e3780a2c..f5ae7eaef0 100644
--- a/lisp/wid-edit.el
+++ b/lisp/wid-edit.el
@@ -815,8 +815,10 @@ button end points."
 	(children (widget-get widget :children)))
     (set-marker from nil)
     (set-marker to nil)
-    (delete-overlay button)
-    (delete-overlay field)
+    (when button
+      (delete-overlay button))
+    (when field
+      (delete-overlay field))
     (mapcar 'widget-leave-text children)))
 
 ;;; Keymap and Commands.
-- 
2.20.1