[Bese-devel] A code UnWalker for Arnesi

[Hoan Ton-That]

Hey Marco and everyone,

I've written an UnWalker for arnesi.  `unwalk-form' is the inverse
of `walk-form' so (unwalk-form (walk-form form)) = form.
Its useful if you want to compile to CL, instead of interpreting.
You can modify existing parse trees and make new ones and
then convert them into list structure.  Add a macro and viola!

Enjoy, have fun, and go forth and write some extensions to CL!

BTW, the class `rest-function-argument-form' was inheriting from
`optional-function-argument-form' which caused problems.
It now inherits from `function-argument-form'.  There is also
a bunch of tests.

Hoan

PS.  What does arnesi mean?
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