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

[Yuan Fu]

> 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