--- a/tuikit/layouts/layout.py	Sun Feb 15 12:52:46 2015 +0100
+++ b/tuikit/layouts/layout.py	Sun Feb 15 17:50:24 2015 +0100
@@ -3,7 +3,12 @@
     def __init__(self):
         self._managed_widgets = []
 
-    def add(self, widget, **_kwargs):
+    def add(self, widget, *args, **kwargs):
+        """Add widget to layout.
+
+        Additional arguments may be used by specialized layouts as hints.
+
+        """
         self._managed_widgets.append(widget)
 
     def update(self, w, h):