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Sat, 3 Oct 2026 07:52:21 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: A5YEOc4Hum2Z Date: Sat, 03 Oct 2026 13:52:01 +0200 From: "Kristoffer Haugsbakk" To: "Junio C Hamano" , "Patrick Steinhardt" Cc: git@vger.kernel.org Message-Id: <533e2f52-2c9c-459a-9fa1-dff3ef4bb2f9@app.fastmail.com> In-Reply-To: References: Subject: Re: [RFC PATCH 2/4] doc: gitbreaking-changes: replace msg-ids with URLs Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Wed, Sep 30, 2026, at 21:45, Junio C Hamano wrote: > Patrick Steinhardt writes: >> On Mon, Sep 28, 2026 at 12:41:26PM +0200, kristofferhaugsbakk@fastmai= l.com wrote: >>> From: Kristoffer Haugsbakk >>>[snip] >> >> Fair. The links may of course break if at any point in time >> lore.kernel.org were to vanish or change its interface. But if so we = can >> adapt accordingly, also because the message ID can still be extracted >> trivially. > > One caveat is that some "funny characters" in message IDs need to be > URL-encoded. > > A recent example I saw was <20260930061524.GNkIK%taahol@utu.fi>; > https://lore.kernel.org/git/20260930061524.GNkIK%25taahol@utu.fi/ is > the URL you need to visit to view the message. > > Having said that, I am somewhat negative on what this particular > patch does. We should instead give both, having something like > > cf. > https://lore.kernel.org/git/xmqqa59i45wc.fsf@gitster.g/[^] > > in the source, and render a readable link text with reachable href > when shown in the browser. With that I get a regular `href` and a `mailto` href.

cf. <xmqqa59i45wc.fsf@gitster.g>^

The `mailto` wins and prepares to send an email. For HTML output at least (I haven=E2=80=99t tested man yet) you can use `@`: cf. https://lore.kernel.org/git/xmqqa59i45wc.fsf@gitster.g/[^] And that works. But with this rendered output: =E2=80=A2 Support for core.commentString=3Dauto has been deprecated = and will be removed in Git 3.0. cf. ^ You have an exceptionally short (cf. UUID monstrosity) msg-id, like all your msg-ids,[1] to the point that it looks as long as an email address but more random-looking and with a weird domain name. And the exception for email addresses (looking) that are formatted as links are that they are `mailto` links. So what would the expectation be for someone who hasn=E2=80=99t read a preamble about what these things with @-symbols ar= e? That they are contact addresses perhaps? I don=E2=80=99t think this is an improvement. Now people unaccustomed to= using msg-ids have to be cognizant of these things as links (not as weird email addresses), which is even assuming that they read the preamble. But with regular URLs you don=E2=80=99t even need a preamble. As for the man format: my terminal lets me open links. Maybe we should drop this patch if we disagree that either choice here is an improvement. =E2=80=A0 1: 3/11 of the existing msg-ids are from the maintainer