From deb757ae3f682342a41a063783f521ea13fab7ed Mon Sep 17 00:00:00 2001
From: Aaron <aaron.defazio@gmail.com>
Date: Thu, 9 Dec 2010 20:27:15 +0800
Subject: [PATCH] Fixed issue with rendering of initially empty documents

---
 lib/ace/virtual_renderer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index 11869f63..910e1467 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -399,7 +399,7 @@ var VirtualRenderer = function(container, theme) {
 
         var lineCount = Math.ceil(minHeight / this.lineHeight);
         var firstRow = Math.max(0, Math.round((this.scrollTop - offset) / this.lineHeight));
-        var lastRow = Math.min(this.lines.length, firstRow + lineCount) - 1;
+        var lastRow = Math.max(0, Math.min(this.lines.length, firstRow + lineCount) - 1);
 
         var layerConfig = this.layerConfig = {
             width : longestLine,