Added type requirement to the base slot of Lisp syntax.
Added type requirement to the base slot of Lisp syntax.

antifuchs/mcclim,slyrus/mcclim,onixie/mcclim,slyrus/mcclim,onixie/mcclim,onixie/mcclim,antifuchs/mcclim,swflint/McCLIM,swflint/McCLIM,swflint/McCLIM