GNU bug report logs - #65627
28.2; erc-button-url-regexp does not recognise gophers://

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Troels Henriksen <athas <at> sigkill.dk>
Subject: bug#65627: closed (Re: bug#65627: 28.2; erc-button-url-regexp
 does not recognise gophers://)
Date: Wed, 30 Aug 2023 19:03:02 +0000

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Your bug report

#65627: 28.2; erc-button-url-regexp does not recognise gophers://

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 65627 <at> debbugs.gnu.org.

-- 
65627: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=65627
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Stefan Kangas <stefankangas <at> gmail.com>
To: Troels Henriksen <athas <at> sigkill.dk>
Cc: 65627-done <at> debbugs.gnu.org
Subject: Re: bug#65627: 28.2;
 erc-button-url-regexp does not recognise gophers://
Date: Wed, 30 Aug 2023 21:01:52 +0200

Version: 29.2

> The regex in
>
>   browse-url-button-regexp
>
> does not recognise the gophers:// protocol.  Similarly to https://,
> gophers:// is an encrypted variant of the venerable Gopher protocol.
> The gophers protocol is supported in curl and other programs that build
> on libcurl, and while I can customize `browse-url-button-regexp` myself,
> I think it would be useful for all Emacs users if Emacs recognised
> gophers:// directly.
>
> A fix is simple: just add 's?' after 'gopher' in the regexp.

Thanks for the bug report.

I see that it is supported by libcurl, here: https://curl.se/libcurl/
There is also FTPS, which we don't have in our regexp.

So I've now fixed this on the master branch (commit 9e2d5a013c9), and
I'm closing this bug.

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From: Troels Henriksen <athas <at> sigkill.dk>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.2; erc-button-url-regexp does not recognise gophers://
Date: Wed, 30 Aug 2023 13:03:31 +0200

The regex in

  browse-url-button-regexp

does not recognise the gophers:// protocol.  Similarly to https://,
gophers:// is an encrypted variant of the venerable Gopher protocol.
The gophers protocol is supported in curl and other programs that build
on libcurl, and while I can customize `browse-url-button-regexp` myself,
I think it would be useful for all Emacs users if Emacs recognised
gophers:// directly.

A fix is simple: just add 's?' after 'gopher' in the regexp.

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