> ## This is a header.
>
> 1. This is the first list item.
> 2. This is the second list item.
>
> Here's some example code:
>
> return shell_exec("echo $input | $markdown_script");
1. Bird
2. McHale
3. Parish
- Red
- Green
- Blue
* * *
*
*
- - -
---------------------------------------
This is [an example](http://example.com/ "Title") inline link.
[This link](http://example.net/) has no title attribute.
1. Bird 2. McHale 3. Parish
- Red - Green - Blue
* * *
*
*
- - -
---------------------------------------
This is [an example](http://example.com/ "Title") inline link.
[This link](http://example.net/) has no title attribute.
single asterisks
_single underscores_
double asterisks
__double underscores__
Use the `printf()` function.
<http://example.com/>