< is breaking spoilers

This is a bit strange and made me loose a lot of notes :( it seems that < is cutting spoilers short, actually deleting everything afterward![spoiler="breaks"]
lets say we need to roll

I'll take a look. Pretty sure I know what's causing it, but I've been having trouble with the regex that controls spoilers/notes.

in my previous knowledge of Html yadda, < > are tags also so it may consider the < a tag that its trying to read.

Ah yes, I've seen that mentioned before 👌