2014-09-14-22.26.00: src/lib/x-kit/widget/gui/guiboss-imp.pkg:  draw_gadget:  Do backing_pixmap draw to   s2g::gadget_to_rw_pixmap__of *gadget_info.backing_pixmap   instead of having it hardwired to   topwindow_for_gui.backing_pixmap. (More support for scrollable viewports.)