How do I break a string over multiple lines?

Question

In YAML, I have a string that\'s very long. I want to keep this within the 80-column (or so) view of my editor, so I\'d like to break the string. What\'s the syntax for this

Answer 1

You might not believe it, but YAML can do multi-line keys too:

?
 >
 multi
 line
 key
:
  value