Except all of those things started happening in about 1994. And that's why 15+ years later we have spec which defines error conditions rather than just the 'pro

Except all of those things started happening in about 1994. And that's why 15+ years later we have spec which defines error conditions rather than just the 'proper' way. (If you weren't online/sentient back then, sites commonly had these 'Best viewed in Netscape' badges on them.)