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Re: Feedback on the ping="" attribute (ISSUE-1)

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Fri, 09 Nov 2007 22:23:48 -0600
Message-ID: <47353254.4000409@mit.edu>
To: Mark Baker <distobj@acm.org>
CC: "public-html@w3.org" <public-html@w3.org>

Mark Baker wrote:
> They don't need to know the methods or their specific meaning, but I
> think its critical they understand the difference between safe and
> unsafe actions.

That would be nice, yes.  We're not there, and I doubt we'll ever be there.

> Purchases aren't the only time users are committing to anything.

Of course.

> There's also voting for favourite pictures/videos/whatever

Which often happens off an onchange handler of a combobox, by the way (as do 
various other form submissions).  Which is far worse than anything else we've 
talked about so far, I should note.... but pretty common.

> posting comments, editing a blog post, changing their profile info at a site,
> uploading images, ... I could go on and on.

I think I've seen examples of every single one of those done via a link...

> TimBL wrote something eons ago about the importance of making the
> difference between safe and unsafe actions visible through the UI

The fact of the matter is that this requires solving the halting problem, unless 
you ignore JS.  And if you ignore it, then what you're doing has little 
relevance to the way users experience the Web.

-Boris
Received on Saturday, 10 November 2007 04:24:06 GMT

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