Comment by epolanski

12 hours ago

Or because it was the default in GitHub with an ad hoc renderer.

Markdown has been extremely popular since far before GitHub existed.

  • I'm sure Markdown was already popular, but I agree with the OP that GitHub made it orders of magnitude more popular.

    Previously its popularity was somewhat similar to RST.

  • Sure, but it became kind of the default with GitHub taking a lead position in code repository services.