commit 98ab605041917d912e20c898c02c969d41243f69
Author: Juergen Spitzmueller <[email protected]>
Date:   Sat Aug 30 13:24:29 2014 +0200

    Fix lyx2lyx issue with complex beamer arguments.
    
    Fixes: #9254

diff --git a/lib/lyx2lyx/lyx_2_1.py b/lib/lyx2lyx/lyx_2_1.py
index 91ed291..d9bedf4 100644
--- a/lib/lyx2lyx/lyx_2_1.py
+++ b/lib/lyx2lyx/lyx_2_1.py
@@ -3113,11 +3113,19 @@ def convert_beamerblocks(document):
                                         # Multiline ERT. Might contain TeX 
code.  Embrace in ERT.
                                         document.body[ertcontlastline : 
ertcontlastline + 1] = [
                                                                             
document.body[ertcontlastline], '\\end_layout', '', '\\end_inset']
-                                        document.body[ertcontdivline : 
ertcontdivline + 1] = [document.body[ertcontdivline][:tok],
-                                                                            
'\\end_layout', '', '\\end_inset', '', '', '\\begin_inset Argument 2',
-                                                                            
'status collapsed', '', '\\begin_layout Plain Layout',
-                                                                            
'\\begin_inset ERT', '', 'status open' '', '\\begin_layout Plain Layout',
-                                                                            
document.body[ertcontdivline][tok + 2:]]
+                                        if ertcontdivline == ertcontfirstline:
+                                            document.body[ertcontdivline : 
ertcontdivline + 1] = [document.body[ertcontdivline][:tok],
+                                                                               
 '\\end_layout', '', '\\end_inset', '',
+                                                                               
 '\\end_layout', '', '\\end_inset', '', '', '\\begin_inset Argument 2',
+                                                                               
 'status collapsed', '', '\\begin_layout Plain Layout',
+                                                                               
 '\\begin_inset ERT', '', 'status open' '', '\\begin_layout Plain Layout',
+                                                                               
 document.body[ertcontdivline][tok + 2:]]
+                                        else:
+                                            document.body[ertcontdivline : 
ertcontdivline + 1] = [document.body[ertcontdivline][:tok],
+                                                                               
 '\\end_layout', '', '\\end_inset', '', '', '\\begin_inset Argument 2',
+                                                                               
 'status collapsed', '', '\\begin_layout Plain Layout',
+                                                                               
 '\\begin_inset ERT', '', 'status open' '', '\\begin_layout Plain Layout',
+                                                                               
 document.body[ertcontdivline][tok + 2:]]
                                     else:
                                         document.body[ertcontdivline : 
ertcontdivline + 1] = [document.body[ertcontdivline][:tok],
                                                                             
'\\end_layout', '', '\\end_inset', '', '', '\\begin_inset Argument 2',

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