Re: The robustness principle, as view by user agent implementors (Re: Working Group Last Call: draft-ietf-httpbis-content-disp-02)

* Adam Barth wrote:
>Concretely, my proposal is that the specification should not forbid
>user agents from %-decoding the value of the filename parameter.
>Julian has agreed that neither Internet Explorer nor Chrome is going
>to stop %-decoding the filename parameter anytime soon.  Forbidding
>user agent from processing these messages in this way is fiction.

The file name is advisory only. Implementations removing %-encoding may
be unfortunate, just like implementations stripping all but the first
eight [a-z] characters may be unfortunate, but they are not in violation
of the specification, as the file name is advisory only. That there may
be problems using % in file names is already noted in the draft. So, we
can move on with the draft as it is. I am glad we cleared this up.
Björn Höhrmann · ·
Am Badedeich 7 · Telefon: +49(0)160/4415681 ·
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Received on Sunday, 3 October 2010 20:59:36 UTC