rem: endoff()
add: endoff(void)
context: endoff(){int i;	for(i=0; i<MAXHEAD; i++)		if (linestop[i])			fprintf(tabout, ".nr #%c 0\n", 'a'+i);	for(i=0; i<texct; i++)		fprintf(tabout, ".rm %c+\n",texstr[i]);fprintf(tabout, "%s\n", last);}