/^��[^ ]$/{ printf("%s\n====\n",$0)}

/^[^ ]+�s[^ ]+�t$/{
	printf("%s\n",$0) ;
	for (S=length($0);S>0;S--) printf("-");
	printf("\n")}
!(/^[^ ]+�s[^ ]+�t$/ || /^��[^ ]$/){print $0}
END {printf("\n$$\n")}