signal chaining API change

[James Henstridge <james daa com au>]

Just a heads up that Tim has checked in the API change for the signal 
closure chaining code.  The g_signal_chain_from_overridden() function no 
longer takes the signal ID, and there is a new function to get the 
signal invocation hint, which can be used to get the types necessary to 
form the argument vector passed to chain().  Should be very useful for 
interpretted language bindings.

In other news, pygtk now has support for adding properties to new types 
defined in python code.  An example of its use is at:

   
http://cvs.gnome.org/lxr/source/gnome-python/pygtk/examples/gobject/properties.py

James.

--
Email: james daa com au
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