2.5.2: Gtk: * Button: Added set/get_image(). * CellView: Removed set_cell_data(). * Dialog: Added set_alternative_button_order(). * FileChooserButton: - Now inherits from HBox, not Button. - Removed get/set_active(). * IconInfo: Added operator bool(), needed to check the result of IconTheme::lookup_icon(). * Label: Added get/set_angle(). * TreeView: Added append_column_numeric(), and append_column_numeric_editable(), which allow more control over the formatting of numeric data than append_column() and append_column_editable(). (Murray Cumming) Pango: * Added Renderer. * Context: Added get/set_matrix(). * FontMetrics.hg: Added get_underline_position(), get_underline_thickness(), get_strikethrough_position(), get_strikethrough_thickness(). (Murray Cumming) Documentation: * example/book/input/: This now works. (Chris Vine) * Book: - TreeView selection: Use selected_foreach_iter() instead of selected_foreach(). (Teus Benschop) - Fixed some typos. (Claudio Saavedra)