XGetRGBColormaps   81 magick/PreRvIcccm.h   XGetRGBColormaps(),
XGetRGBColormaps 1376 magick/xwindow.c             status=XGetRGBColormaps(display,root_window,&map_list,&number_maps,
XGetRGBColormaps 1401 magick/xwindow.c             status=XGetRGBColormaps(display,root_window,&map_list,&number_maps,