This is extends of Markdown lib from Crystal Stdlib for Support Markdown GFM.

• Built on Crystal stdlib Markdown to implement like Markdown GFM.
• space_after_headers - # Hello not #Hello
• Add id attribute for Heading <h1 id="hello-world">Hello world</h1>.
• strikethrough : ~~Foo~~ to <del>Foo</del>

Add this to your application's shard.yml:

dependencies:
  remarkdown:
    github: huacnlee/remarkdown

require "remarkdown"

Remarkdown.to_html("Hello **world**")