[LyX/master] Do not break documents with complex beamer block ERT usage we cannot handle

[Juergen Spitzmueller]

commit e9681bbe0817b1f92eb06ff65a6359b108f34bab
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sun Aug 3 12:21:35 2014 +0200

    Do not break documents with complex beamer block ERT usage we cannot handle
    
    Fixes: #9144

diff --git a/lib/lyx2lyx/lyx_2_1.py b/lib/lyx2lyx/lyx_2_1.py
index 1a24675..91ed291 100644
--- a/lib/lyx2lyx/lyx_2_1.py
+++ b/lib/lyx2lyx/lyx_2_1.py
@@ -3245,7 +3245,10 @@ def convert_beamerblocks(document):
                                 # Multipar ERT. Skip this.
                                 break
                             else:
-                                convert_TeX_brace_to_Argument(document, i, 2, 
2, False, True, False)
+                                # ERT has contents after the closing bracket. 
We cannot convert this.
+                                # convert_TeX_brace_to_Argument cannot either.
+                                #convert_TeX_brace_to_Argument(document, i, 2, 
2, False, True, False)
+                                break
                         else:
                             break
                         j = find_end_of_layout(document.body, i)