<!doctype html><html><head><title>Local HTML image</title></head><body><h1>Local HTML image</h1><p>Before <IMG SRCSET="assets/red%2Dblue.png 1x, assets/red-blue.png 2x" ALT="red-blue HTML image"> after.</p><p><img src="https://example.invalid/remote.png" alt="remote image"> <img src="%2e%2e/outside.png" alt="escaped image"></p></body></html>