function luaY.expr(N,v,f)N:subexpr(v,f,0)end
------------------------------------------------------------------------
-- Expression parsing starts here. Function subexpr is entered with the
-- left operator (which is non-existent) priority of -1, which is lower
-- than all actual operators. Expr information is returned in parm v.
-- * used in multiple locations
------------------------------------------------------------------------
function luaY:expr(ls, v)
	self:subexpr(ls, v, 0)
end
