From: Oleksandr Gavenko <gavenkoa@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 24405@debbugs.gnu.org
Subject: bug#24405: 24.5; Possibly ``forward-word`` doesn't respect ``word-combining-categories`` for word boundaries on changing between latin/phonetic scripts.
Date: Sun, 11 Sep 2016 14:57:33 +0300 [thread overview]
Message-ID: <87r38qtzrm.fsf@gavenkoa.example.com> (raw)
In-Reply-To: <83h99n8y9e.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 10 Sep 2016 20:23:25 +0300")
On 2016-09-10, Eli Zaretskii wrote:
>> Another solution is to invent own:
>>
>> (define-category ?p "Phonetic")
>>
>> and to add it to IPA characters:
>>
>> (mapc (lambda (ch) (modify-category-entry ch "p"))
>> '(?ʌ ?ə ?ɜ ?ɒ ?ɛ ?θ ?ʊ ?ɪ ?ɔ ?ɑ ?ʃ ?ʧ ?ː ?ˈ ?ˌ ?ʒ ?ŋ))
>>
>> so it becomes possible to use:
>>
>> (add-to-list 'word-combining-categories '(?p . ?l))
>> (add-to-list 'word-combining-categories '(?l . ?p))
>
> That'd be my second best advice. But I think regular expressions
> should provide a better and easier solution.
This works for me:
(defconst my/ipa-chars (list ?ˈ ?ˌ ?ː ?ǁ ?ʲ ?θ ?ð ?ŋ ?ɡ ?ʒ ?ʃ ?ʧ ?ə ?ɜ ?ɛ ?ʌ ?ɒ ?ɔ ?ɑ ?æ ?ʊ ?ɪ))
(define-category ?p "Phonetic")
(mapc (lambda (ch)
(cond
((eq (aref char-script-table ch) 'phonetic)
(modify-category-entry ch ?p)
(modify-category-entry ch ?l nil t))
((eq (aref char-script-table ch) 'latin) ; (aref char-script-table ?ˌ) is 'latin but (char-category-set ?ˌ) is ".j"
(modify-category-entry ch ?l))))
my/ipa-chars)
(add-to-list 'word-combining-categories '(?p . ?l))
(add-to-list 'word-combining-categories '(?l . ?p))
But adding and removing categories looks too low level. It is necessary to use
some (define-category ?p "Phonetic") that is not defined in Emacs itself.
This looks easier to me:
(mapc (lambda (ch)
(aset char-script-table ch 'latin)
(modify-syntax-entry ch "w"))
my/ipa-chars)
But ``char-script-table`` derived from Unicode and some code my depends on
this database...
--
http://defun.work/
next prev parent reply other threads:[~2016-09-11 11:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-10 8:33 bug#24405: 24.5; Possibly ``forward-word`` doesn't respect ``word-combining-categories`` for word boundaries on changing between latin/phonetic scripts Oleksandr Gavenko
2016-09-10 10:05 ` Eli Zaretskii
2016-09-10 17:12 ` Oleksandr Gavenko
2016-09-10 17:23 ` Eli Zaretskii
2016-09-11 11:57 ` Oleksandr Gavenko [this message]
2019-09-29 4:33 ` Stefan Kangas
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