>>692 > let is a special form in `C source code'. > > (let VARLIST BODY...) > > Bind variables according to VARLIST then eval BODY. > The value of the last form in BODY is returned. > Each element of VARLIST is a symbol (which is bound to nil) > or a list (SYMBOL VALUEFORM) (which binds SYMBOL to the value of VALUEFORM). > All the VALUEFORMs are evalled before any symbols are bound.