On Tue, Aug 8, 2017 at 6:12 AM, Christoph Kerschbaumer <ckers...@gmail.com>

> compliant with the behavior of other browsers which all have been shipping
> that behavior for a long time.

No other browser has _ever_ treated data: the way we do. The spec at one
time said they should because it makes a kind of logical sense--later
<iframe srcdoc=> was invented to get the behavior we already had!--​but in
practice it just makes Firefox users vulnerable to web site bugs that
affect no one else.

​Dan Veditz​
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