RS_CHANGING
if (rp->request->outcome & RS_CHANGING) {
(RS_DONE|RS_CHANGING|RS_NOTIFYING)))) {
else if (rp->request->outcome & RS_CHANGING)
rp->request->outcome |= RS_CHANGING;
else if (!(rp->request->outcome & RS_CHANGING))
rp->request->outcome &= ~(RS_CHANGING);
fp->r1->request->outcome &= ~RS_CHANGING;
!(prs->request->outcome & (RS_DONE|RS_CHANGING|RS_NOTIFY))
#define RS_ACTIVE (RS_FILTERING|RS_PRINTING|RS_CHANGING|RS_NOTIFYING)
} else if (state & RS_CHANGING) {