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

Ian Hickson ian at hixie.ch
Mon Nov 15 15:25:41 PST 2010

On Wed, 11 Aug 2010, Boris Zbarsky 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).

On Tue, 10 Aug 2010, Adam Barth wrote:
> 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).

On Wed, 11 Aug 2010, Sigbjorn Finne wrote:
> Opera has reverted targetOrigin validation back to previous in current 
> builds, but we also wouldn't mind keeping "/".

On Thu, 12 Aug 2010, Hallvord R M Steen wrote:
> I stated somewhere that reverting the path validation stuff should 
> include removing the magic '/' feature, given this use case it was 
> probably better to keep '/'.

I have returned the '/' feature to its former glory without readding the 
URL path restriction.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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