From: Kenichi Handa <handa@m17n.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: record_unwind_save_match_data in autocmp_chars
Date: Mon, 05 Oct 2009 09:42:19 +0900 [thread overview]
Message-ID: <tl71vlid638.fsf@m17n.org> (raw)
In-Reply-To: <83ab08q0bq.fsf@gnu.org> (message from Eli Zaretskii on Sat, 03 Oct 2009 11:43:53 +0200)
In article <83ab08q0bq.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:
> composite.c:autocmp_chars calls record_unwind_save_match_data before
> it starts looping on an element of composition-function-table.
> However, since the loop calls fast_looking_at, which is documented not
> to change match data, is the call to record_unwind_save_match_data
> really necessary? If it is still necessary, what other functions
> called by autocmp_chars might clobber match data?
autocmp_chars calls the Lisp function auto-compose-chars via
safe_call, and auto-compose-chars calls Lisp functions
registered in composition-function-table.
---
Kenichi Handa
handa@m17n.org
prev parent reply other threads:[~2009-10-05 0:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-03 9:43 record_unwind_save_match_data in autocmp_chars Eli Zaretskii
2009-10-05 0:42 ` Kenichi Handa [this message]
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