caveats:
    this version is a pretty complete rewrite of dan nachbar's implementation.
    this is much faster than his version, and seems to have fewer bugs.
    the code is intended to be more readable.
    i don't yet feel that this code fully ready for distribution,
    but in response to several requests, here it is.

    this code is known to run on vaxen and ibm rt/pc's.
    one known bug: if a/b/c is a non-directory appearing in the slist,
    and a/b or a appear in the same slist, a/b/c will appear out-of-order
    in the statfile; this will break a/b/c's update.
    we know of no other bugs in the update functionality.

    .saberinit is for version 1 of the Saber debugger, not version 2.

    i've started removing the slist's cmpfile field's support,
    as its complexity mainly serves to update /vmunix,
    which we at Athena don't do with track.

    the command-field in each entry is not used right now;
    the code needs a rewrite.

    subscriptionlist.5 and statfile.5 documents are out of date.

    there's a bug in the -W option's defaulting; when it bites you,
    you'll know it; i'm redesigning the command-line now (as of 2/89).

    this version ( 5.0) handles very large filesys'/statfiles easily;
    for example, to write 12000 lines of statfile from a remote NFS fs,
    took about 1.5 hours. much of this was doubtless net-access time.
    version 4.0 couldn't go beyond 3000 lines.

    track.tar contains bellcore's original version.

					   -don davis, athena staff
					    room e40-319
					    mit
					    cambridge, ma 02139
					    (617)253-1409 ( 2-9pm est)
					    don@athena.mit.edu
