use a date separator to be more readable

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39474 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web_blog/SkinTemplateItem/portal_skins/erp5_web_blog/WebSection_viewBlogFrontPage/listbox_effective_date.xml

@@ -265,7 +265,7 @@
                 </item>
                 <item>
                     <key> <string>date_separator</string> </key>
-                    <value> <string></string> </value>
+                    <value> <string>/</string> </value>
                 </item>
                 <item>
                     <key> <string>default</string> </key>

bt5/erp5_web_blog/bt/revision

-46
+47
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