So in markdown the code `>!` makes a spoiler block.

Something like
`>! Hello` gives
>!Hello

with a nice fade in/out effect.
However, when you insert an image or tag like `>! Hello [tag:bug]` it does not display correctly. Example:
>! Hello this are bugs in StackExchange: [tag:bug]

The tag does not hide itself when the mouse is on top of the block. Same for images. Example:

     >! This is a picture of Jeff Atwood: ![Jeff Atwood][1]
    [1]: https://i.sstatic.net/3l9vY.png

Gives :
>! This is a picture of Jeff Atwood:<br> ![Jeff Atwood][2].


The text still fades in/out but the image does not. For the tag, the text fades in/out but the border does not and the text color changed from the background color of the block to green.


  [1]: https://i.sstatic.net/3l9vY.png
  [2]: https://i.sstatic.net/3l9vY.png
  [3]: http://www.google.com