FRINGE_FACE_ID    609 src/fringe.c   	: lookup_derived_face (w, f, face, FRINGE_FACE_ID, 0);
FRINGE_FACE_ID    611 src/fringe.c   	face_id = FRINGE_FACE_ID;
FRINGE_FACE_ID   6106 src/xdisp.c    					      FRINGE_FACE_ID, false);
FRINGE_FACE_ID   5051 src/xfaces.c       case FRINGE_FACE_ID:		name = Qfringe;			break;
FRINGE_FACE_ID   5778 src/xfaces.c         realize_named_face (f, Qfringe, FRINGE_FACE_ID);