Posting a new message to the shoutbox just did this.
Also, the first page of this official BUGS thread seems to have forgotten that it has formatting.
"Whoops, something went wrong" is correct!
I think Markdown is meant to be easier to type manually, rather than typing out HTML tags or mousing over to the format buttons.
Testing line break
Quote
Line break in quoteDouble break in quote
Outside of quote again.
This pineapple tastes like bark and splinters