From 0e6019344ea484433e40fe0225bcc10199269ef8 Mon Sep 17 00:00:00 2001
From: Dmitry Uvarov <uvarov.dl@gmail.com>
Date: Thu, 20 Feb 2014 14:08:49 +0400
Subject: [PATCH] fix for infinite loop on bad changeset

---
 src/static/js/Changeset.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/static/js/Changeset.js b/src/static/js/Changeset.js
index e47b3052..355bef4a 100644
--- a/src/static/js/Changeset.js
+++ b/src/static/js/Changeset.js
@@ -1867,7 +1867,7 @@ exports.inverse = function (cs, lines, alines, pool) {
       curLineOpIterLine = curLine;
       var indexIntoLine = 0;
       var done = false;
-      while (!done) {
+      while (!done && curLineOpIter.hasNext()) {
         curLineOpIter.next(curLineNextOp);
         if (indexIntoLine + curLineNextOp.chars >= curChar) {
           curLineNextOp.chars -= (curChar - indexIntoLine);