Alan Manuel Gloria:
> srfi-editors hasn't seemed to reply yet (have they?) so it's probably
> better to assume for now that it's so weird, SRFI won't touch it ^^;
I've gotten a private reply. The problem isn't weirdness, the problem is that
the SRFI editors are really busy. They're within their normal timelines,
actually; I'm just impatient :-).
Anyway, I don't know of any strong reason to hold back for a long time. These
*are* changes to the semantics, but they're minor tweaks to previously-unused
constructs.
Since my last post, I've updated the neoteric-read for Common Lisp, it now
translates f{} to (f) as well in the "develop" branch. I've already
experimented with this in Scheme; I've now done the same in Common Lisp. Works
great. I prefer to test things out in an implementation before we agree to a
spec change, because there's no point in creating a spec that is not
implementable (or has a nasty gotcha). But that's been done.
I've renamed the Common Lisp implementation to "readable.cl", as I had
threatened earlier, because it now implements more than curly-infix lists. The
(neoteric-read) and (enable-neoteric) functions do work for a number of cases.
The neoteric reader is *not* mature like the Scheme reader is, e.g., the Common
Lisp implementation cannot currently handle backquote and comma. This isn't a
problem with our notation, it's just that implementing these for Common Lisp is
way more complex than for Scheme. Steele even gives a public domain
implementation:
http://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node367.html
but I haven't had the stomach to do it.
Volunteers to implement the Common Lisp backquote/comma in readable.cl would be
gratefully welcome.
--- David A. Wheeler
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