> You turned it sideways. Using a colon, a dash, and a parenthesis character in series, you could make a sideways smile or frown. It looked like this: [happy-face] or [sad-face]
Did the editor repace :) with [happy-face]?
Did the editor repace :) with [happy-face]?
I guess:
Click on the HN discussion > Click on the article > Notice the weird CMS error > Copy the sentense > Click back > Click back again by mistake(?) > Click on the discussion of the wrong article (?) > Paste the sentence > Notice that HN eat the emoji > Add the version in brackets.