In a simple DSL I am working based on s-expressions I enable things like removing parenthesis in single line expressions. For example, (define a "hello world!")

In a simple DSL I am working based on s-expressions I enable things like removing parenthesis in single line expressions. For example, (define a "hello world!") is just define a "hello world!" <EOL> Another example that could work more than RPN/FORTH (or close to the ; operator in smalltalk) is: (* 4 (+ 1 2 3)) equals to: + 1 2 3 . <EOL> * 4 <EOL> The DSL is not LISP based but s-expr to define a DAG like in an spredsheet.