In the Image Search window, include a checkbox for Ignore Rotation on
the Image Content line.
tab_completion_add_select_button(sd->entry_similarity, NULL, FALSE);
gtk_box_pack_start(GTK_BOX(hbox), combo, TRUE, TRUE, 0);
gtk_widget_show(combo);
+ pref_checkbox_new_int(hbox, _("Ignore rotation"),
+ options->rot_invariant_sim, &options->rot_invariant_sim);
/* Search for image keywords */
hbox = menu_choice(sd->box_search, &sd->check_keywords, &sd->menu_keywords,