From d46bd84f9159cccd7ad1c93bdb7044bd9cea0e0a Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijnh@gmail.com>
Date: Thu, 12 Jan 2012 09:47:32 +0100
Subject: [PATCH] Make sure undo doesn't leave the cursor in an invalid
position
Closes #325
---
lib/codemirror.js | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/codemirror.js b/lib/codemirror.js
index d5cb3ff1..62f62ce0 100644
--- a/lib/codemirror.js
+++ b/lib/codemirror.js
@@ -2737,7 +2737,7 @@ var CodeMirror = (function() {
// Used to position the cursor after an undo/redo by finding the
// last edited character.
function editEnd(from, to) {
- if (!to) return from ? from.length : 0;
+ if (!to) return 0;
if (!from) return to.length;
for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j)
if (from.charAt(i) != to.charAt(j)) break;
--
GitLab