From 905e456a153e3099bc49c93b8561c30bd270e9af Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevin@github.com>
Date: Tue, 11 Feb 2014 11:31:20 -0800
Subject: [PATCH] Only fold valid buffer rows

---
 src/editor.coffee | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/editor.coffee b/src/editor.coffee
index e08de5eae..fde4fbfef 100644
--- a/src/editor.coffee
+++ b/src/editor.coffee
@@ -705,7 +705,9 @@ class Editor extends Model
 
         @buffer.insert(insertPosition, lines)
 
-      @foldBufferRow(foldedRow) for foldedRow in foldedRows
+      # Restore folds that existed before the lines were moved
+      for foldedRow in foldedRows when foldedRow <= @getLastBufferRow()
+        @foldBufferRow(foldedRow)
 
       @setSelectedBufferRange(selection.translate([insertDelta]), preserveFolds: true)