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[whatwg] postMessage's target origin argument can be a full URL in some implementations

From: Adam Barth <w3c@adambarth.com>
Date: Tue, 10 Aug 2010 21:58:06 -0700
Message-ID: <AANLkTikf4XRBr6E=k1b1J27A9DbpfQqHY6ZyvC7YsgNr@mail.gmail.com>
On Tue, Aug 10, 2010 at 9:28 PM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
> On 8/10/10 9:11 PM, Ian Hickson wrote:
>> Specifically, this means the magic "/" string is no longer supported
> Why? ?That seemed like a useful feature, and not something likely to break
> anyone out there....
> In particular, it allows use cases that are not possible right now (e.g.
> reasonable postMessage from an about:blank page to a page that has the same
> origin as the about:blank page).

Yeah, it seems like there's a big difference between breaking changes
(e.g., rejecting previously valid inputs) and non-breaking changes
(e.g., allowing some new, previously invalid inputs).

Received on Tuesday, 10 August 2010 21:58:06 UTC

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