From 0e4993f015c265ed5633fed2eab04f2556b4dc2d Mon Sep 17 00:00:00 2001
From: Fabian Jakobs <fabian.jakobs@web.de>
Date: Mon, 23 May 2011 08:45:33 +0000
Subject: [PATCH] fix tokenizer caching. Fixes #256

---
 lib/ace/background_tokenizer.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/ace/background_tokenizer.js b/lib/ace/background_tokenizer.js
index f845e3f1..6cf92543 100644
--- a/lib/ace/background_tokenizer.js
+++ b/lib/ace/background_tokenizer.js
@@ -141,6 +141,9 @@ var BackgroundTokenizer = function(tokenizer, editor) {
         if (firstRow > 0 && this.lines[firstRow - 1]) {
             state = this.lines[firstRow - 1].state;
             doCache = true;
+        } else if (firstRow == 0) {
+            state = "start";
+            doCache = true;
         }
 
         var lines = this.doc.getLines(firstRow, lastRow);
@@ -150,6 +153,7 @@ var BackgroundTokenizer = function(tokenizer, editor) {
                 var state = tokens.state;
                 rows.push(tokens);
 
+                console.log("do cache", doCache, row, state)
                 if (doCache) {
                     this.lines[row] = tokens;
                 }