Details markup not working correctly in messages

[sam (Sam Saffron)]

We “fix” this by correctly handling details now! [details=Summary]This text will not be hidden[/details]

why you wonder?

Because details is a “block” level construct, we never meant to support it inline. That was a bug.

CommonMark testing started here!

Per our migration plans, I just enabled markdown.it at Meta. It is an excellent CommonMark compliant engine. I expect quite a few edges to be found during this period of testing. Do not open bugs about the new Engine, just reply here. I/we will be updating the top post here with the list of issues and striking out stuff as it is fixed. Current known issues (to be fixed) Onebox vanishes after you start typing and works not-super consistently pendin…