<value><string>python: [[t, t] for t in list(context.getPortalDocumentTypeList())+list(context.getPortalEmbeddedDocumentTypeList())]</string></value>
<value><string>python: [[t, t] for t in list(context.getPortalDocumentTypeList())+list(context.getPortalEmbeddedDocumentTypeList()) if t != \'Discussion Thread\']</string></value>