Syntax for ATX and Setext-styled headers.
Use hashtags # to tell Redcarpet what you want to be a header and how big you want it.
# h1. Header 1
## h2. Header 2
### h3. Header 3
#### h4. Header 4
##### h5. Header 5
###### h6. Header 6
Setext styles for h1 and h2 headers are available. Use three equal signs === to make h1 headers and three dashes --- to make h2 headers.
h1. Header 1
===
h2. Header 2
---