Overview of Changes from GTK+ 2.24.27 to 2.24.28
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* Bug fixes:
 693738 gtk print dialog shows "Getting printer information failed"...
 746064 "sticky" window state reported wrongly on X11
 746269 Segfault in gtk_tree_view_move_cursor_page_up_down
 748014 W32: Tilting mousewheel left/right does not scroll horizontally