YAML metadata plugin
Nesta's metadata is stored in simple key/value pairs. The values always have to be strings, but if you need something a bit more structured install this plugin and you can use YAML instead.
For example, if you wanted to put an array in your document, you could do this:
Meaning of: - life - 42 # Title of page... Body copy...
And then in your template, you'd find that this:
Written by Graham Ashton.
$ cd path/to/site $ echo 'gem "nesta-plugin-yaml-metadata" >> Gemfile' $ bundle
You can browse the code on the GitHub page.