non-single-quotes['single-quotes']non-single-quotes

non-single-quotes['single-quotes
single-quotes']non-single-quotes

non-single-quotes['single-quotes['single-quotes']non-single-quotes

non-single-quotes['single-quotes']non-single-quotes']non-single-quotes

non-single-quotes['single-quotes['single-quotes']non-single-quotes']non-single-quotes

empty: ['']

no non-block syntax: 'non-single-quotes'
