Wed Oct  7 20:27:28 1998  Lars Hamann  <lars@gtk.org>

        * gtk/gtkctree.h (struct _GtkCTree): removed xor_gc, use clists
        xor_gc instead
        * gtk/gtkctree.c (create_xor_gc): removed
        (gtk_ctree_button_press): set correct line_attributes for
        clist->xor_gc on drag start
        (gtk_ctree_button_release): reset clist->xor_gc