>>>>> Eli Zaretskii <eliz@gnu.org> writes:

[…]

 > Similarly, eww's job is to find and visit a URL, which includes
 > processing file:// URLs, and that functionality should always be in
 > the function, not in any hook.

	file: URIs’ processing is the responsibility of url-file.el.
	There’s nothing in ‘eww’ which ever deals with such URIs, –
	/except/ for a simple guard which tells: “if it begins with
	‘file:/’, do /not/ never, ever mangle it.”

	Personally, I’d rather appreciate having such a guard for https:
	and http: URIs at the least, – if only for the sake of
	consistency.

[…]

 > To _override_ behavior, we provide function variables that get used
 > _instead_ of the default.  Like indent-region-function, for example.
 > So in that case, you'd need to make 'eww' call the value of
 > eww-mangle-uri-function, whose default value is a function that does
 > what the current code does inside eww itself, and then users could
 > override that by providing their own URI-mangling function.

	Please consider the patch MIMEd.

	* lisp/net/eww.el
	(eww-uri-rewrite-function): New customizable variable.
	(eww): Use eww-uri-rewrite-function.
	(eww-mangle-uri): New function, split off eww.

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