Forth mode \ Insertion sort : cell- 1 cells - ; : insert ( start end -- start ) dup @ >r ( r: v ) begin 2dup < while r@ over cell- @ < while cell- dup @ over cell+ ! repeat then r> swap ! ; : sort ( array len -- ) 1 ?do dup i cells + insert loop drop ; Simple mode that handle Forth-Syntax (Forth on Wikipedia). MIME types defined: text/x-forth.