TERMP_KEEP
p->flags |= TERMP_KEEP | TERMP_NOSPACE;
p->flags &= ~TERMP_KEEP;
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
p->flags &= ~TERMP_KEEP;
if ((p->flags & TERMP_KEEP) == 0) {
p->flags |= TERMP_KEEP;