Convert multiple sunspots -> mailer-readable format

[BKEHOE%widener at pucc.princeton.edu]

[[Ed's Note: A C program to undigestify placed in archives. Please
note that there are many versions of "undigestify" running around however,
I am not really aware enough of them to tell you there advantages and
disadvantages over each other. -bdg]]

FTP:	Hostname : titan.rice.edu (128.42.1.30)
	Directory: sun-source
	Filename : undigest.c
	Filesize : 6376 bytes

Archive Server Address: archive-server at rice.edu
Archive Server Command: send sun-source undigest.c