diff -r 39721e56b56d -r 99115e029dca web/views/basecomponents.py
--- a/web/views/basecomponents.py	Wed Feb 18 00:48:24 2009 +0100
+++ b/web/views/basecomponents.py	Wed Feb 18 01:21:25 2009 +0100
@@ -118,7 +118,7 @@
     """display application's messages given using the __message parameter
     into a special div section
     """
-    __selectors__ = yes,
+    __select__ = yes()
     id = 'applmessages'
     site_wide = True # don't want user to hide this component using an eproperty
 
@@ -136,8 +136,8 @@
 class WFHistoryVComponent(EntityVComponent):
     """display the workflow history for entities supporting it"""
     id = 'wfhistory'
-    __selectors__ = EntityVComponent.__selectors__ + (
-        relation_possible('wf_info_for', role='object'),)
+    __select__ = (EntityVComponent.__select__
+                  & relation_possible('wf_info_for', role='object'))
     context = 'navcontentbottom'
     title = _('Workflow history')
 
@@ -241,14 +241,14 @@
 
 class RSSFeedURL(Component):
     id = 'rss_feed_url'
-    __selectors__ = (non_final_entity(),)
+    __select__ = non_final_entity()
     
     def feed_url(self):
         return self.build_url(rql=self.limited_rql(), vid='rss')
 
 class RSSEntityFeedURL(Component):
     id = 'rss_feed_url'
-    __selectors__ = (non_final_entity(), one_line_rset)
+    __select__ = non_final_entity() & one_line_rset()
     
     def feed_url(self):
         return self.entity(0, 0).rss_feed_url()