Re: kernel mailing list permalinks

From: Anders Larsen
Date: Tue Aug 06 2013 - 18:05:30 EST

On 2013-08-06 23:23, H. Peter Anvin wrote:
On 08/06/2013 02:11 PM, Bjorn Helgaas wrote:
>> The above link is also a good example of subtleness: + in a URL means a
>> space character, it has to be escaped as %2B. Particularly a problem in
>> gmail message-ids.

the link in question works just fine without escaping the +; the + only
has to be escaped in then query component of a URL, not in the path
component where it is just another valid character - and the link in
question did not contain any query component.

(see RFC 3986 sections 3.3 and 3.4)

A quoted Message-ID might be weird as heck, but one rarely if ever see
them, I don't know if they are even legal.

I don't think they are even possible, as the percent-sign is just another
valid character in a Message-ID - but so is the '+' sign, so it seems
you're trying to solve a non-existent problem...

(see RFC 5322 section 3.2.3)

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