colour: 'Blue'
comment: 'Comment with a comma, and stuff.'
line: '1'
name: 'Fred'

colour: 'Green'
comment: 'No comma so no need for quotes'
line: '2'
name: 'Joe'

colour: 'Red'
comment: '"A comma, and quotes"'
line: '3'
name: 'Bob'

colour: 'Yellow'
comment: 'Penultimate line, but

split across two input lines'
line: '4'
name: 'Sam'

colour: 'Violet'
comment: 'And an ordinary line to finish'
line: '5'
name: 'Bill'