ON_NOTHING       1360 src/window.c       return ON_NOTHING;
ON_NOTHING       1522 src/window.c       case ON_NOTHING:
ON_NOTHING       1576 src/window.c       case ON_NOTHING:
ON_NOTHING       1651 src/window.c     if (found == ON_NOTHING)
ON_NOTHING       1704 src/window.c   	  != ON_NOTHING))
ON_NOTHING       1719 src/window.c   	  != ON_NOTHING))
ON_NOTHING       35391 src/xdisp.c      enum window_part part = ON_NOTHING;