Get stylesheet text from <link> tag
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i've got a sylesheet `<link>` tag:

    <link rel=stylesheet href="/path/to/foo/bar.css" />

and i'd like to get the text of the `/path/to/foo/bar.css` stylesheet via javascript.

**is this possible?**  i'll even accept answers that don't work cross-browser...

***NOTE:*** answers involving `document.styleSheet` don't count, since the browser will have already transformed stuff like URL's, and i'm interested in the original source (even though this does provide an [interesting way to resolve URLs...](https://twitter.com/kriskowal/status/222825051274219521))