Conditional Comments - fix blocking
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Ok - so I can’t take any credit for this - but check out this blog post: http://www.phpied.com/conditional-comments-block-downloads/
Sweet read, huh?
For those who aren’t actually going to read it, conditional comments block downloads until it’s done processing. So, instead, start out your with this:
<!--[if IE]><![endif]-->html
After that, you should be home free.