tcsh bug 2

Another implicitcd bug for tcsh:

% set implicitcd=verbose
% echo $tcsh
6.14.00
% mkdir /tmp/c\&b
% cd /tmp/c\&b
% /tmp/c\&b
/tmp/c&b: Permission denied.
% rmdir /tmp/c\&b

That permission denied is presumably because tcsh is getting confused by the '&' as a job control character. That's my guess at least, without looking at the code.