File line 2
  Comment: 'Comment with a comma, and stuff.'
  Colour: 'Blue'
  Name: 'Fred'
  Line: '1'
File line 3
  Comment: 'No comma so no need for quotes'
  Colour: 'Green'
  Name: 'Joe'
  Line: '2'
File line 4
  Comment: '"A comma, and quotes"'
  Colour: 'Red'
  Name: 'Bob'
  Line: '3'
File line 6
  Comment: 'Penultimate line, but
split across two input lines'
  Colour: 'Yellow'
  Name: 'Sam'
  Line: '4'
File line 7
  Comment: 'And an ordinary line to finish'
  Colour: 'Violet'
  Name: 'Bill'
  Line: '5'