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Re: [apps-discuss] Fun with URLs and regex

Larry Masinter <masinter@adobe.com> Thu, 29 January 2015 00:23 UTC

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From: Larry Masinter <masinter@adobe.com>
To: Matthew Kerwin <matthew@kerwin.net.au>, "julian.reschke@gmx.de" <julian.reschke@gmx.de>
Thread-Topic: [apps-discuss] Fun with URLs and regex
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Date: Thu, 29 Jan 2015 00:23:10 +0000
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Cc: "Roy T. Fielding" <fielding@gbiv.com>, Mark Nottingham <mnot@mnot.net>, IETF Apps Discuss <apps-discuss@ietf.org>
Subject: Re: [apps-discuss] Fun with URLs and regex
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> The answer to this affects what I write in the 'file' scheme draft. I
> was advised early on to not mention fragments (which I took as
> "disallow by omission") because, while it's easy to define syntax, the
> scheme also has to define semantics, and fragment semantics are tied
> to content type, and dereferenced 'file' URIs don't have a
> well-defined content type.

This leads to the (currently abandoned) work on MIME sniffing
which attempts to well-define a content-type for 'file' URIs:

https://mimesniff.spec.whatwg.org/ 

(bug list 
https://www.w3.org/Bugs/Public/buglist.cgi?component=MIME&list_id=51221&product=WHATWG&resolution=---)

based on (the abandoned)
https://tools.ietf.org/html/draft-ietf-websec-mime-sniff-03


Note https://www.w3.org/Bugs/Public/show_bug.cgi?id=20003
"Clarify scope of MIME sniffing" from IETF tracker #15

Based on
http://trac.tools.ietf.org/wg/websec/trac/ticket/15

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