unqouted: string
literal-block: |
    This entire block of text will be the value of the 'literal-block' key,
    with line breaks being preserved.
folded: >
    This entire block of text will be the value of 'folded', but this
    time, all newlines will be replaced with a single space.
key-en: "Τιμή ελληνική"
κλειδί-ελ: "English value"