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From: Warner Losh <imp@bsdimp.com>
To: Alexis <flexibeast@gmail.com>
Cc: The Unix Heritage Society <tuhs@tuhs.org>
Subject: [TUHS] Re: A fuzzy awk.
Date: Wed, 22 May 2024 07:12:36 -0600	[thread overview]
Message-ID: <CANCZdfohe9rp60=+xhQbdzQXkz00vHitPCPFppE_7rcas8yHwQ@mail.gmail.com> (raw)
In-Reply-To: <875xv6bfhu.fsf@gmail.com>

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On Tue, May 21, 2024, 11:08 PM Alexis <flexibeast@gmail.com> wrote:

> Dave Horsfall <dave@horsfall.org> writes:
>
> > On Tue, 21 May 2024, Paul Winalski wrote:
> >
> >> To take an example that really happened, a fuzz test consisting
> >> of 100
> >> nested parentheses caused an overflow in a parser table (it
> >> could only
> >> handle 50 nested parens).  Is that worth fixing?
> >
> > Well, they could be a rabid LISP programmer...
>
> Just did a quick check of some of the ELisp packages on my system:
>
> * For my own packages, the maximum was 10 closing parentheses.
> * For the packages in my elpa/ directory, the maximum was 26 in
>   ducpel-glyphs.el, where they were part of a glyph, rather than
>   delimiting code. The next highest value was 16, in org.el and
>   magit-sequence.el.
>
> i would suggest that any Lisp with more than a couple of dozen
> closing parentheses is in dire need of refactoring. Although of
> course someone who's rabid is probably not in the appropriate
> mental state for that. :-)
>

That's what ']' is for.

Warner

>

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  reply	other threads:[~2024-05-22 13:13 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-20 14:09 Serissa
2024-05-21  1:56 ` Rob Pike
2024-05-21  2:47   ` Larry McVoy
2024-05-21  2:54     ` Lawrence Stewart
2024-05-21  3:36       ` Rob Pike
2024-05-21 11:59         ` Peter Weinberger (温博格) via TUHS
2024-05-21  3:53   ` George Michaelson
2024-05-21 16:59   ` Paul Winalski
2024-05-21 17:56     ` segaloco via TUHS
2024-05-21 18:12     ` Luther Johnson
2024-05-22 15:37       ` Paul Winalski
2024-05-22 18:49         ` Larry McVoy
2024-05-22 20:17           ` Larry McVoy
2024-05-22  3:26     ` Dave Horsfall
2024-05-22  5:08       ` Alexis
2024-05-22 13:12         ` Warner Losh [this message]
  -- strict thread matches above, loose matches on Subject: below --
2024-05-23 13:49 Douglas McIlroy
2024-05-23 20:52 ` Rob Pike
2024-05-24  5:41   ` andrew
2024-05-24  7:17   ` Ralph Corderoy
2024-05-24  7:41     ` Rob Pike
2024-05-24 11:56     ` Dan Halbert
2024-05-25  0:17   ` Bakul Shah via TUHS
2024-05-25  0:57     ` G. Branden Robinson
2024-05-25 13:56     ` David Arnold
2024-05-25 17:18     ` Paul Winalski
2024-05-25 17:36       ` Tom Perrine
2024-05-20 13:06 [TUHS] A fuzzy awk. (Was: The 'usage: ...' message.) Douglas McIlroy
2024-05-20 13:25 ` [TUHS] " Chet Ramey
2024-05-20 13:41   ` [TUHS] Re: A fuzzy awk Ralph Corderoy
2024-05-20 14:26     ` Chet Ramey
2024-05-22 13:44     ` arnold
2024-05-20 13:54 ` Ralph Corderoy
2024-05-19 23:08 [TUHS] The 'usage: ...' message. (Was: On Bloat...) Douglas McIlroy
2024-05-20  0:58 ` [TUHS] " Rob Pike
2024-05-20  3:19   ` arnold
2024-05-20  9:20     ` [TUHS] A fuzzy awk. (Was: The 'usage: ...' message.) Ralph Corderoy
2024-05-20 13:10       ` [TUHS] " Chet Ramey
2024-05-20 13:30         ` [TUHS] Re: A fuzzy awk Ralph Corderoy
2024-05-20 13:48           ` Chet Ramey

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