old_contents: {
    'target_defaults': {
      'default_configuration': 'Debug',
      'configurations': {
        'Debug': {},
        'Release': {}
      }
    },
  
    'targets': [
      {
        'target_name': 'yaml',
        'type': 'static_library',
        'include_dirs': [ 'src/include' ],
        'direct_dependent_settings': {
          'include_dirs': [ 'src/include' ]
        },
        'defines': [
          'YAML_VERSION_MAJOR=0',
          'YAML_VERSION_MINOR=1',
          'YAML_VERSION_PATCH=4',
          'YAML_VERSION_STRING="0.1.4"'
        ],
        'sources': [
          'src/src/api.c',
          'src/src/reader.c',
          'src/src/scanner.c',
          'src/src/parser.c',
          'src/src/loader.c',
          'src/src/writer.c',
          'src/src/emitter.c',
          'src/src/dumper.c'
        ]
      }
    ]
  }
  
new_contents: {
    'target_defaults': {
      'default_configuration': 'Debug',
      'configurations': {
        'Debug': {},
        'Release': {}
      }
    },
  
    'targets': [
      {
        'target_name': 'yaml',
        'type': 'static_library',
        'include_dirs': [ 'src/include' ],
        'direct_dependent_settings': {
          'include_dirs': [ 'src/include' ]
        },
        'defines': [
          'YAML_VERSION_MAJOR=0',
          'YAML_VERSION_MINOR=1',
          'YAML_VERSION_PATCH=5',
          'YAML_VERSION_STRING="0.1.5"'
        ],
        'sources': [
          'src/src/api.c',
          'src/src/reader.c',
          'src/src/scanner.c',
          'src/src/parser.c',
          'src/src/loader.c',
          'src/src/writer.c',
          'src/src/emitter.c',
          'src/src/dumper.c'
        ]
      }
    ]
  }
  
subject: Update libyaml patch level in gyp file