[debbugs-tracker] bug#13084: closed (boyer_moore crashes with certain characters in the case table)

[GNU bug Tracking System]

Your message dated Thu, 13 Dec 2012 01:05:09 +0200
with message-id <address@hidden>
and subject line Re: bug#13084: boyer_moore crashes with certain characters in 
the case table
has caused the debbugs.gnu.org bug report #13084,
regarding boyer_moore crashes with certain characters in the case table
to be marked as done.

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-- 
13084: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13084
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> --- Begin Message ---
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> Subject: 
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> boyer_moore crashes with certain characters in the case table
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> Date: 
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> Wed, 05 Dec 2012 02:34:39 +0200
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (x86_64-pc-linux-gnu)
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> The minimal reproducible recipe for crashes in boyer_moore noticed in bug#13041:
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> 1. emacs -Q
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> 2. Eval in *scratch*:
>
> (let ((table (standard-case-table)) canon)
>   (setq canon (copy-sequence table))
>   (aset canon #xff59 ?y)
>   (set-char-table-extra-slot table 1 canon)
>   (set-char-table-extra-slot table 2 nil)
>   (set-standard-case-table table))
>
> 3. Start an activity that includes a search, e.g. `C-x 8 RET TAB'
>
> The crash in boyer_moore is caused by fullwidth characters like #xff59
> whose Unicode properties are:
>
>   name: FULLWIDTH LATIN SMALL LETTER Y
>   decomposition: (wide 121) (wide 'y')
>
> However, the crash doesn't occur when the same fullwidth characters are
> set to their downcase counterparts in lisp/international/characters.el:
>
>   ;; Fullwidth Latin
>   (setq c #xff21)
>   (while (<= c #xff3a)
>     (set-case-syntax-pair c (+ c #x20) tbl)
>     (modify-category-entry c ?l)
>     (modify-category-entry (+ c #x20) ?l)
>     (setq c (1+ c)))
>
>
>
> --- End Message ---
> --- Begin Message ---
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>
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> Subject: 
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> Re: bug#13084: boyer_moore crashes with certain characters in the	case	table
>
>
>
>
> Date: 
>
> Thu, 13 Dec 2012 01:05:09 +0200
>
>
>
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (x86_64-pc-linux-gnu)
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>
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> > So what did you mean by "no more obstacles" above?
>
> By obstacles I meant crashes that you fixed.
> Thanks for that.  I'm closing this bug.
>
>
> --- End Message ---