2.6.5:

* ScrolledWindow: get_*scrollbar_visible(): 
  get_hscrollbar_visible() returned 
  vscrollbar_visible() and vice-versa. Fixed.
  Bug #317309 (Bartek Kostrzewa)
* UIManager: get_action_groups(): 
  Memory management fix. 
  Bug #31865 (Colin Law)
* Fix SUN Solaris Forte build problem. 
  Bug #314283 (Felipe Zipitria)
* Documentation corrections.
  Bug #311176 (Marco Scholten)