Lightweight bytecode interpreter

JeffBezanson 332235231c changing semantics to respect lexical scope more strictly; now ... anything can be shadowed by closer nested variables fixing bugs in let-syntax and expanding optional arg default values improving expansion algorithm on internal define some small optimizations to the compiler maintaining interpreter for bootstrapping		2009-08-12 04:56:32 +00:00
femtolisp	changing semantics to respect lexical scope more strictly; now	2009-08-12 04:56:32 +00:00
llt	adding offset and count arguments to io.write	2009-08-09 04:04:31 +00:00