| 123456789101112131415161718192021222324252627282930313233 | --- %YAML:1.0test: Some characters at the beginning of a string must be escapedbrief: >    Some characters at the beginning of a string must be escapedyaml: |    foo: '| bar'php: |    ['foo' => '| bar']---test: A key can be a quoted stringbrief: >  A key can be a quoted stringyaml: |    "foo1": bar    'foo2': bar    "foo \" bar": bar    'foo '' bar': bar    'foo3: ': bar    "foo4: ": bar    foo5: { "foo \" bar: ": bar, 'foo '' bar: ': bar }php: |    [      'foo1' => 'bar',      'foo2' => 'bar',      'foo " bar' => 'bar',      'foo \' bar' => 'bar',      'foo3: ' => 'bar',      'foo4: ' => 'bar',      'foo5' => [        'foo " bar: ' => 'bar',        'foo \' bar: ' => 'bar',      ],    ]
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