do not display links title when there are no links

extra/modules/root.ptl

@@ -172,8 +172,10 @@ class AlternateRootDirectory(OldRootDirectory):
         '</div>'
 
     def links [html] (self):
-        ## Links
         links = Link.select()
+        if not links:
+            return
+
         Link.sort_by_position(links)
 
         '<div id="links">'
@@ -186,30 +188,30 @@ class AlternateRootDirectory(OldRootDirectory):
 
 
     def announces [html] (self):
-        ## Announces
         announces = Announce.select()
+        if not announces:
+            return
+
         announces.sort(lambda x,y: cmp(x.id, y.id))
         announces.reverse()
-        # XXX: sort by date
 
-        if announces:
-            '<div id="announces">'
-            '<h3>%s</h3>' % _('Announces to citizens')
-            for item in announces:
-                '<div class="announce-item">'
-                '<h4>'
-                item.title
-                '</h4>'
-                '<p>'
-                item.text
-                '</p>'
-                '</div>'
-
-            '<p class="subscribe">'
-            '<a href="announces/subscribe">%s</a>' % _('Receiving those Announces')
+        '<div id="announces">'
+        '<h3>%s</h3>' % _('Announces to citizens')
+        for item in announces:
+            '<div class="announce-item">'
+            '<h4>'
+            item.title
+            '</h4>'
+            '<p>'
+            item.text
             '</p>'
             '</div>'
 
+        '<p class="subscribe">'
+        '<a href="announces/subscribe">%s</a>' % _('Receiving those Announces')
+        '</p>'
+        '</div>'
+
     def page_view [html] (self, filename, title):
         get_response().breadcrumb.append((filename, title))
         template.html_top(title)