From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#44611: Prefix arg for xref-goto-xref Date: Thu, 24 Dec 2020 23:38:52 +0200 Message-ID: <2e07d6d1-5a83-77c3-7915-8efa46fd47c3@yandex.ru> References: <87k0up68e4.fsf@mail.linkov.net> <99772eb6-5a4e-7cf6-259d-0e9429e6bf97@yandex.ru> <878sb3n0a9.fsf@mail.linkov.net> <48f942f9-a557-0185-25fe-612e78cd9071@yandex.ru> <875z67gd6z.fsf@mail.linkov.net> <72e9e5e9-651f-401f-2e26-faaac1b7fdb5@yandex.ru> <87v9cxleff.fsf@mail.linkov.net> <834kkhtaxm.fsf@gnu.org> <874kkgswg2.fsf@mail.linkov.net> <83v9cwsct7.fsf@gnu.org> <87k0tab3y0.fsf@mail.linkov.net> <83pn31rg5a.fsf@gnu.org> <877dp9ycq6.fsf@mail.linkov.net> <837dp8r250.fsf@gnu.org> <4a0c8870-e2e7-97c7-5808-afa704ebee13@yandex.ru> <83mty4pj0u.fsf@gnu.org> <878s9o1ck2.fsf@mail.linkov.net> <837dp7q3hi.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; 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Thu, 24 Dec 2020 13:38:54 -0800 (PST) In-Reply-To: <837dp7q3hi.fsf@gnu.org> Content-Language: en-US X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:196663 Archived-At: On 24.12.2020 05:36, Eli Zaretskii wrote: > Why does project-find-regexp need to use Xref for displaying the hits? > why not use Grep-like display we use in *grep* buffers? These days the default Xref buffer is pretty much Grep-like. Certainly much closer to grep-mode than it had been in the first versions. That old UI was a lot more completion-like in its behavior. This happened gradually, after we have addressed feedback from you and other users, so that xref-find-references and project-find-regexp behave more in a fashion that you would expect from it. And those expectations were surely informed by Grep and other built-in modes. Why not use something else "Grep-like"? Well, one objective reason is Xref is the only UI we have which is rendered programmatically based on a list of standardized values representing matches. Anything else would need work done for this to happen. And Xref has more features: - It has a "replace in matches" command. - Its UI with grouping by file names saves horizontal space, and it's actually how Grep-like search tools look these days (see ag, pt or ripgrep). GNU Grep doesn't have an option for such output format, so we help it in Elisp. - Finally, its UI presenter is customizable, so anyone who doesn't like it can plug in something else that can interpret a list of "xref match" values. That is a good thing.