Side note: when I was basically doing browser emulation in Google's indexing pipeline 20 years ago, I ripped through a billion of the 4 billion top web pages and counted HTML tag attributes found in the wild, in order to prioritize emulation efforts.

"onlick" was a surprisingly common misspelling of "onclick". There must have been quite a few web developers wondering why their click handlers weren't working, but I imagined them furiously licking their screens, attempting to debug what was wrong with their taste-o-vision enabled webpages.