GtkSpinButton docs?

["David Z. Maze" <dmaze donut mit edu>]

gtkspinbutton.h shows up in the Gtk+-1.0.4 distribution, but there is
no mention of it in either the manual or the tutorial.  Is there
documentation for it online somewhere?

-- 
 _____________________________
/                             \       "Dad was reading a book called
|          David Maze         |     _Schroedinger's Kittens_.  Asexual
|         dmaze@mit.edu       |  reproduction?  Only one cat is in the box."
| http://donut.mit.edu/dmaze/ |               -- Abra Mitchell
\_____________________________/