GNU bug report logs - #7146
(make-symbol "") issues

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Message #56 received at 7146 <at> debbugs.gnu.org (full text, mbox):

From: David De La Harpe Golden <david <at> harpegolden.net>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 7146 <at> debbugs.gnu.org, Frank <some.frank <at> gmail.com>,
	Lars Magne Ingebrigtsen <larsi <at> gnus.org>,
	Andreas Schwab <schwab <at> linux-m68k.org>,
	Chong Yidong <cyd <at> stupidchicken.com>
Subject: Re: bug#7146: (make-symbol "") issues
Date: Sun, 17 Jul 2011 22:41:19 +0100

On 17/07/11 04:16, Stefan Monnier wrote:

> "#:" is the obvious choice for the uninterned representation.
> It already works for printing, but is not understood by the reader.
>

Is it? If you mean just a "#:" on its own it looks a bit odd to me, but 
as usual I'm coming from CL.

> CommonLisp has a |....| syntax for interned symbols which trivially
> allows empty symbols,

That's not just for interned symbols.  #:|| is read as an uninterned 
empty-string named symbol in common lisp, #:|hello world| as an 
uninterned symbol with a space in the name etc.

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