Strange Markdown Behaviour

If I enter ```

($$)hello($$)

DEVONthink Pro formatting will show it as

([)hello(])

I wonder why.

It is indeed curious, but what is it supposed to do? Is it math related?

iA Writer and Marked 2 also preview the text as ([)hello(]), while Ulysses and Byword preview the text as ($$)hello($$).

Gruber’s Dingus (why does that sound wrong? :open_mouth: ) also renders it as ($$)hello($$).