On Mon, Jun 1, 2009 at 12:14 PM, Julian Reschke <julian.reschke@gmx.de> wrote: > Adam Barth wrote: >> On Mon, Jun 1, 2009 at 11:40 AM, Adam Barth <w3c@adambarth.com> wrote: >>> With regards to the 'null' value, we should try to pick a value that's >>> friendly to regular expressions (i.e., avoids . / [ and similar >>> characters) because many web application firewalls (who would use this >>> value) express their rules in terms of regular expressions. >> >> One possible value we could use is >> >> about:blank [...] >> about:noreferrer > > That will be tricky to use, as it would be a downref to a Proposed Standard > (*). HTTPbis will be (at least) one step ahead on the standards ladder). We need only suggest (require?) the literal "about:blank" without a downref. That is syntactically an absolute URI, and the use should not conflict with any other use of that sequence of bytes. AdamReceived on Monday, 1 June 2009 21:15:05 UTC
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