The format is and a title on the same line. spoiler
Content on new lines, then :::
to end it.
I’ve tried every variation and it’s not working. This is definitely the most complicated spoiler tag system I’ve seen.
They look like this
It’s an expandable full-width deal. The spoiler start tag has to be on its own line, and the same goes for the ending three commas.
MelodiousFunk has replied with a cleartext example.
Interesting. I’m using boost and your comment isn’t spoiler tagged for me. That’s also how mine is currently formatted. Shame since this app has a spoiler tag button that appears to match the format.