GNU bug report logs - #24982
24.5; way to let Elisp reader ignore unreadable #(...) constructs

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Message #32 received at 24982 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>, Stefan Kangas <stefan <at> marxist.se>
Cc: 24982 <at> debbugs.gnu.org
Subject: RE: bug#24982: 24.5; way to let Elisp reader ignore unreadable #(...)
 constructs
Date: Sat, 22 Aug 2020 12:28:32 -0700 (PDT)

> The problem is when the thing inside the construct is unreadable, not
> when there's errors (in a syntactically valid form).  For instance:
> 
> (ignore-errors #0)
> 
> In Common Lisp, this is the #| ...  |# operator, and it's handy
> occasionally.  It's really like a nesting comment thing...

Good point.  I was thinking of #(...), but yes,
the situation is more general.  It's about #
syntax that's found to be invalid, but for cases
where # nevertheless can tell where the sexp
parsing should end (and so can advance point there).

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