>How easy is to embed this? A minimal Lisp is really easy to embed because writing a Lisp interpreter is simple. See for example the "MAL" (Make A Lisp) projec

>How easy is to embed this? A minimal Lisp is really easy to embed because writing a Lisp interpreter is simple. See for example the "MAL" (Make A Lisp) project. If you want a feature-laden Lisp, like Common Lisp, you may want to try Embeddable Common Lisp (ECL). The other main dialect of Lisp, Scheme, also has many options for embedding.