1 10/21/83  send_mail request:  preface, prf
 2 
 3 Syntax:  prf path
 4 
 5 
 6 Function:  writes the printed representation of the message to the
 7 beginning of an existing segment.
 8 
 9 
10 Arguments:
11 path
12    is the pathname of the segment to which the message is written.  The
13    suffix "mail" is added if necessary.
14 
15 
16 Notes:
17 If the segment identified by the path argument does not exist, the user
18 is queried for permission to create it.  If the segment does exist, its
19 previous contents are moved "down" to make room for the message written
20 by this request.