Switch to side-by-side view

--- a/pyforge/pyforge/model/discuss.py
+++ b/pyforge/pyforge/model/discuss.py
@@ -132,6 +132,8 @@
 
     def post(self, text, message_id=None, parent_id=None, **kw):
         require(has_artifact_access('post', self))
+        if self.artifact_id is not None:
+            self.artifact.subscribe()
         if message_id is None: message_id = h.gen_message_id()
         parent = parent_id and self.post_class().query.get(_id=parent_id)
         slug, full_slug = self.post_class().make_slugs(parent)