```julia
display("text/markdown",
"""

### Small markdown sample

**Hello** from `code` block.

""")
```


```julia
struct  Dummy
  s::String
end

function Base.show(io::IO, m::MIME"text/markdown", d::Dummy)
    print(io, d.s)
end

Dummy("""

* one
* two
* three

""")
```