-
- |
 block node
- - one # Compact
  - two # sequence
- one: two # Compact mapping
key_block: |
  first
  second
  third
gt_block: >
     once
     twice
start-key: |
  <!-- example of
     some valid string content-->
# ******************************************************************************
# *                             COMMENT BLOCK HERE                             *
# ******************************************************************************
with-indicator: |3
   fff
    ggg
with-chomp: |-
  jjj
  kkk
with-both: |3-
   ggg
   hhh
   # not a comment
# comment starts here
