What is comma-dot?

[Jonathan A Rees <JAR@AI.AI.MIT.EDU>]

    Date: Tue, 16 Dec 86 13:39:29 cst
    From: David Bartley <bartley%home%ti-csl.csnet at RELAY.CS.NET>
    To:   RRRS-Authors at MC.LCS.MIT.EDU
    cc:   Bartley%home%ti-csl.csnet at RELAY.CS.NET
    Re:   What is comma-dot?
    Message-Id: <8612161939.AA01741@>

    Can those of us that permit the destructive splicing operation `,.'
    inside quasiquote agree on the symbol it corresponds to?  That is, if
    ,@X is equivalent to (unquote-splicing X), what is ,.X equivalent to?
    Perhaps a future R^nRS should mention this as an extension.

I think this feature is a kludge; I presume you have Common Lisp in
mind.  How about "UNQUOTE-SPLICING!" ?

Jonathan