From 2761c809bec8b4d5a3f46d14f626a7386fdebb71 Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijnh@gmail.com>
Date: Tue, 5 Jul 2011 09:47:02 +0200
Subject: [PATCH] Fix feedback loop between code.style.width and
 lineSpace.offsetWidth

This would be visible in the activeline demo, where the colored line would get
shorter and shorter for each display update.
---
 lib/codemirror.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/codemirror.js b/lib/codemirror.js
index 9d961105f4..8b16242e12 100644
--- a/lib/codemirror.js
+++ b/lib/codemirror.js
@@ -767,7 +767,7 @@ var CodeMirror = (function() {
       var textWidth = stringWidth(maxLine);
       lineSpace.style.width = textWidth > scroller.clientWidth ? textWidth + "px" : "";
       // Needed to prevent odd wrapping/hiding of widgets placed in here.
-      code.style.width = (lineSpace.offsetWidth + lineSpace.offsetLeft) + "px";
+      code.style.width = scroller.scrollWidth + "px";
 
       // Since this is all rather error prone, it is honoured with the
       // only assertion in the whole file.