Markdown edge case test - will delete

Question

## Test 1: Reference-style link [click me][ref1] [ref1]: javascript:alert(1) ## Test 2: Autolink ## Test 3: HTML entity encoding [test](javascript:alert(3)) ## Test 4: URL encoding [test](javascript%3Aalert(4)) ## Test 5: Case variation [test](JaVaScRiPt:alert(5)) ## Test 6: Tab/newline in protocol [test](java script:alert(6)) ## Test 7: Data URI image ![x](data:image/svg+xml;base64,PHN2ZyBvbmxvYWQ9YWxlcnQoMSk+) ## Test 8: SVG image via https with onerror fallback ![x](https://evil.com/x.svg" onerror="alert(8)) ## Test 9: Link title injection [test](https://example.com "onmouseover=alert(9)") ## Test 10: Bare HTML click