From de72396e0728ab51d056d2f4a1eea84afbde42b0 Mon Sep 17 00:00:00 2001
From: Fabian Jakobs <fabian.jakobs@web.de>
Date: Tue, 5 Oct 2010 18:33:37 +0200
Subject: [PATCH] make rendering more robust

---
 src/ace/layer/Text.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/ace/layer/Text.js b/src/ace/layer/Text.js
index 870ad679..a1252f81 100644
--- a/src/ace/layer/Text.js
+++ b/src/ace/layer/Text.js
@@ -119,10 +119,12 @@ var Text = function(parentEl) {
         var _self = this;
         this.tokenizer.getTokens(first, last, function(tokens) {
             for ( var i = first; i <= last; i++) {
+                var lineElement = lineElements[i - layerConfig.firstRow];
+                if (!lineElement) 
+                    continue;
+
                 var html = [];
                 _self.$renderLine(html, i, tokens[i-first].tokens);
-
-                var lineElement = lineElements[i - layerConfig.firstRow];
                 lineElement.innerHTML = html.join("");
             }
         });