README.md
1A couple notes about the files scattered in this `resources/` directory:
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3* The nested directory structure is necessary here so that relative URL resolution can be tested; we need different sub-paths for each document.
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5* The semi-duplicate `window-to-open.html`s scattered throughout are present because Firefox, at least, does not fire `Window` `load` events for 404s, so we want to ensure that no matter which global is used, `window`'s `load` event is hit and our tests can proceed.
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