Stut:
> > That's already there.  They set the content-type.  The problem becomes
> > when they set it vs. when output goes out.  It's also very common to
> > turn on output buffering and buffer a bunch of stuff and then set the
> > content-type just before flushing the buffer.
> 
> Maybe it's enough for the tainting to switch context when a new content 
> type is set. I'm trying to think of a situation where you might not be 
> able to determine the requested output format because the tainting gets 
> in the way, but I can't come up with anything. However, it would likely 
> break a number of existing scripts which is not ideal.

This would not break any scripts.  Taint support must not be turned
on unless the application was written to support it.

        Wietse

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