bug#55357: 29.0.50; [PATCH] Fix browse-url-emacs on file:// urls

[Yuan Fu]

> On May 11, 2022, at 11:35 AM, Yuan Fu <casouri@gmail.com> wrote:
> 
> 
> 
>> On May 11, 2022, at 4:37 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>> 
>>> Resent-From: Yuan Fu <casouri@gmail.com>
>>> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org>
>>> Resent-CC: bug-gnu-emacs@gnu.org
>>> Resent-Sender: help-debbugs@gnu.org
>>> From: Yuan Fu <casouri@gmail.com>
>>> Date: Wed, 11 May 2022 00:05:50 -0700
>>> 
>>> 
>>> [1:text/plain Hide]
>>> 
>>> 
>>> If you call browse-url-emacs with a file:// url, Emacs does not open the 
>>> correct file:
>>> 
>>> (browse-url-emacs "file://~/a/b") opens /a/b
>>> (browse-url-emacs "file://a/b") opens /b
>>> 
>>> Basically unless the path is an absolute path, the first level is chopped 
>>> because url parses it as host and throws it away. This patch concats the 
>>> host back. If the path is absolute, host is empty string so it’s ok.
>> 
>> I think your URLs lack one or two more slashes. See
>> 
>> https://en.wikipedia.org/wiki/File_URI_scheme#How_many_slashes?
> 
> Ah! My bad. Closing.
> 
> Yuan
>