From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.devel Subject: Re: master 2ef6f943abd: Add option to control default outlining in 'C-h b' Date: Tue, 30 May 2023 03:08:11 +0200 Message-ID: <87leh64oec.fsf@web.de> References: <168233653969.13461.3810563138120581789@vcs2.savannah.gnu.org> <20230424114219.F2AEAC0004A@vcs2.savannah.gnu.org> <877cu1bf6q.fsf@gmail.com> <834jp5xn7v.fsf@gnu.org> <87a5ywn4qj.fsf@web.de> <83r0s8wjcf.fsf@gnu.org> <87leig9xm8.fsf@gmail.com> <838regwcnt.fsf@gnu.org> <87fs8o9spe.fsf@gmail.com> <835y9kw5ix.fsf@gnu.org> <86h6t3rjl8.fsf@mail.linkov.net> <83leifvqsz.fsf@gnu.org> <878refyfrc.fsf@web.de> <87ttvv2s87.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7429"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: emacs-devel@gnu.org Cancel-Lock: sha1:SNM/1mFM+cZJsprEVLClJQCf16Y= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue May 30 03:09:13 2023 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q3nrN-0001mB-3e for ged-emacs-devel@m.gmane-mx.org; Tue, 30 May 2023 03:09:13 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q3nqa-0003xv-Cu; Mon, 29 May 2023 21:08:24 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q3nqY-0003xW-Tg for emacs-devel@gnu.org; Mon, 29 May 2023 21:08:22 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1q3nqX-0002F4-9W for emacs-devel@gnu.org; Mon, 29 May 2023 21:08:22 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1q3nqT-0000dL-2M for emacs-devel@gnu.org; Tue, 30 May 2023 03:08:17 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:306399 Archived-At: Robert Pluim writes: > Or we could have a 100% backwards compatible implementation like this, > which Iʼd push to emacs-29 if it wasnʼt in pre-release :-) > -- A cons cell of the form (custom-function . FUNCTION) where > > +- A cons cell of the form (predicate . FUNCTION) where > FUNCTION is a lambda function or function name which will be > - called without arguments with point at the beginning of the > - heading and the match data set appropriately, the function > - being expected to toggle the heading visibility." > + called without arguments, with point at the beginning of the > + heading, and the match data set appropriately. If the function > + returns nil the subtree will be shown, otherwise it is hidden. Good idea - I like it. [ BTW, this "accordingly set match data" is from `outline-map-region', i.e. `outline-search-function' or (if nil) from matching outline-regexp? Should we add that information? ] Thanks, Michael.