🔖 Generating a Markdown document

Xcode Playgrounds let you write comments in Markdown format using the symbols //: for single line comments, or /•: ... •/ for multiline comments. Inside this comments, you can use any Markdown syntax; an exmaple:

 ‌‌ # This is a heading 1
 This is regular text. **This is bold text**. [This is a link](http://bow-swift.io).
 protocol MyProtocol {}
 //:‌‌ ## This is a single line heading 2‌‌

It makes Xcode Playgrounds the proper tool to write an article with compilable examples. The command provided by nef to generate the Markdown files is:

 ➜ nef markdown --project <nef playground> --output <path>