It seems like Picarto broke their API, probably for good this time (all requests to it report 404 Not Found).
==
is regular textile syntax just like *
, _
or ``@ and just like them usually doesn’t need brackets. Brackets just explicitly tell Textile where formatting should be applied if Textile can’t figure it out by itself. For example, multiple lines require brackets. Testing the duration shows that it truncated it:
$ mediastat ScootPreenAni.pngHelp fund the $15 daily operational cost of Derpibooru - support us financially!