Latex group and symbol question

[mcdonald at uxe.cso.uiuc.edu]

>There are two TeX mailing lists (which include LaTeX of course) on the 
>Internet. The first is TEXHAX which you can get on  an addition 
>request to the moderator at: texhax-request at score.stanford.edu
TeXhax is no longer at that address (although back issues can be ftp'ed
from score.stanford.edu in directory ps:<tex.texhax>).

The new data come from a recent TeXhax (the new system is Unix - 
it may well be severely case-sensitive):

%%% The TeXhax digest is brought to you as a service of the TeX Users Group
%%%       in cooperation with the UnixTeX distribution service at the
%%%                      University of Washington
%%%
%%% Concerning subscriptions, address changes, unsubscribing:
%%%  BITNET: send a one-line mail message to LISTSERV at UWAVM.ACS.WASHINGTON.EDU
%%%         SUBSCRIBE TEXHAX <your name>    % to subscribe
%%%      or UNSUBSCRIBE TEXHAX <your name>
%%%
%%%  All others: send a similar one line mail message to
%%%           TeXhax-request at cs.washington.edu
%%%     Please be sure you send a valid internet address!!
%%%        in the form name at domain or name%routing at domain