Improve tales to prevent generate unecessary WARNINGs logs if keys are not in the REQUEST.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@32383 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/BusinessTemplate_viewObjectsDiff/diffview.xml

@@ -291,7 +291,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>request/use_unified_diff</string> </value>
+            <value> <string>python: request.get(\'use_unified_diff\', None)</string> </value>
         </item>
       </dictionary>
     </pickle>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/BusinessTemplate_viewObjectsDiff/your_bt1.xml

@@ -277,7 +277,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>request/bt1</string> </value>
+            <value> <string>python: request.get(\'bt1\', \'\')</string> </value>
         </item>
       </dictionary>
     </pickle>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/BusinessTemplate_viewObjectsDiff/your_bt2.xml

@@ -277,7 +277,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>request/bt2</string> </value>
+            <value> <string>python: request.get(\'bt2\', \'\')</string> </value>
         </item>
       </dictionary>
     </pickle>

product/ERP5/bootstrap/erp5_core/bt/revision

-1466
\ No newline at end of file
+1467
\ No newline at end of file