Fix -p option.
-L dir adds to *load-path*.
Handle (cond (test => proc) ...).
char? is r5rs compatible.
More r4rs compliance.
Support (let loop bindings . body).
Typo.
R5RS (do ((var init step) ...) ...) r5rs syntax.
Handle tail-position unquote.
Handle quasiquoted vectors.
Minor optimization.
(abs z).
Issue with nested quasiquotes.
New quasiquote handles nesting per R5RS.
Identation makes tail-position code duplication obvious.
Copy-n-paste error for memp.
memq, memv, member.
Distinguish current env and top-level env.
Rename eos.
symbol->string handled uninterned symbols.