bersace@celebrad:~/Sources/GNOME/gtk+$ grep "messagedialog.png" $(find)
./docs/reference/gtk/images/CVS/Entries:/messagedialog.png/1.3/Tue Nov 16 05:10:18 2004/-kb/
./docs/reference/gtk/Makefile.am:       $(srcdir)/images/messagedialog.png                              \
./docs/reference/gtk/visual_index.xml:    <inlinegraphic fileref="messagedialog.png" format="PNG"></inlinegraphic>
./docs/reference/ChangeLog:     * gtk/images/messagedialog.png: New images.
bersace@celebrad:~/Sources/GNOME/gtk+$