1  # Leading comment line spaces are
2   # neither content nor indentation.
3
4Not indented:
5 By one space: |
6    By four
7      spaces
8 Flow style: [    # Leading spaces
9   By two,        # in flow style
10  Also by two,    # are neither
11# Tabs are not allowed:
12#  	Still by two   # content nor
13    Still by two   # content nor
14    ]             # indentation.
15