On Wed, Nov 26, 2014 at 09:50:45AM +0100, Axel Svensson wrote:
> I once wrote my own top-level REPL, if I remember correctly it was
> compatible with picolisp syntax but also had the capability of adding
> reader macros in the way OP desires. Let me know if you're interested, as
> it might take me a while to dig it up.
Or, you might take a look at the 'repl' function in the PicoLisp GUI in
"lib/form.l", and modify that. It runs a REPL in a browser form.