xg_prepare_tooltip  202 src/gtkutil.h  extern bool xg_prepare_tooltip (struct frame *f,
xg_prepare_tooltip 9070 src/xfns.c           ok = xg_prepare_tooltip (f, string, &width, &height);
xg_prepare_tooltip 1766 src/xwidget.c    xg_prepare_tooltip (view->frame, dummy_tooltip_string,