A derivate of [Lisp]. A programming language with even less syntax than Tcl itself. (but special forms and the like...? [RS]) See [Tcl and LISP] | [Playing LISP] | [Serial summing]. There's a [Tk]Scheme. [[maybe more than one?]] The classic Scheme book is [SICP]. http://phaseit.net/claird/comp.lang.scheme/scheme.html ---- [Category Language]