////
Included in:

- user-manual: Open Block
- quick-ref
////

// tag::base[]
--
An open block can be an anonymous container,
or it can masquerade as any other block.
--
// end::base[]

// tag::src[]
[source]
--
puts "I'm a source block!"
--
// end::src[]

// tag::sb[]
[sidebar]
.Related information
--
This is aside text.

It is used to present information related to the main content.
--
// end::sb[]