the font server can be referenced as ':-1', e.g.
"fsinfo -s :-1" or "fslsfonts -s :-1". but
xset won't accept this form of name when specifying
% xset +fp ':-1'
xset: bad font path element (#38), possible causes are:
Directory does not exist or has wrong permissions
Directory missing fonts.dir
Incorrect font server address or syntax
bug #2759 (which indicates that xfs has been intentionally
TCP-crippled) contains the answer. the syntax to work with
xset is 'unix/:-1', not ':-1'. i guess i should have looked at
the source. thus this bug becomes not a code bug but a