From bce1d2c68e0821e6fc391892f2e3e07af248f40e Mon Sep 17 00:00:00 2001
From: mpv <mikhail.ponikarov@opencascade.com>
Date: Mon, 26 May 2014 12:08:15 +0400
Subject: [PATCH] Fix for issue #74

---
 src/Model/Model_Document.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Model/Model_Document.cpp b/src/Model/Model_Document.cpp
index 87ad7e0b1..6f3b4a7a9 100644
--- a/src/Model/Model_Document.cpp
+++ b/src/Model/Model_Document.cpp
@@ -172,9 +172,11 @@ void Model_Document::close()
     subDocument(*aSubIter)->close();
   mySubs.clear();
   // close this
+  /* do not close because it can be undoed
   if (myDoc->CanClose() == CDM_CCS_OK)
     myDoc->Close();
   Model_Application::getApplication()->deleteDocument(myID);
+  */
 }
 
 void Model_Document::startOperation()
-- 
2.39.2