From d6f71e425d77ad07ca299a2f88d8f5f3d8d94d77 Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <campbell@mumble.net>
Date: Sun, 21 Mar 2010 12:09:45 -0400
Subject: [PATCH] Handle non-character input events in READ-EXTENSION-KEY.

---
 src/edwin/basic.scm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/edwin/basic.scm b/src/edwin/basic.scm
index cd7198049..29ff11215 100644
--- a/src/edwin/basic.scm
+++ b/src/edwin/basic.scm
@@ -193,7 +193,12 @@ Turns a following A (or C-A) into a Control-Meta-A."
 (define (read-extension-key modifier)
   (if execute-extended-keys?
       (set-command-prompt-prefix!))
-  (let ((key (modifier (with-editor-interrupts-disabled keyboard-read))))
+  (let ((key
+         (modifier
+          (let ((input (with-editor-interrupts-disabled keyboard-read)))
+            (if (char? input)
+                input
+                (abort-current-command input))))))
     (if execute-extended-keys?
 	(dispatch-on-key (current-comtabs) key)
 	key)))
-- 
2.25.1