1--- %YAML:1.0
2test: Some characters at the beginning of a string must be escaped
3brief: >
4    Some characters at the beginning of a string must be escaped
5yaml: |
6    foo: '| bar'
7php: |
8    ['foo' => '| bar']
9---
10test: A key can be a quoted string
11brief: >
12  A key can be a quoted string
13yaml: |
14    "foo1": bar
15    'foo2': bar
16    "foo \" bar": bar
17    'foo '' bar': bar
18    'foo3: ': bar
19    "foo4: ": bar
20    foo5: { "foo \" bar: ": bar, 'foo '' bar: ': bar }
21php: |
22    [
23      'foo1' => 'bar',
24      'foo2' => 'bar',
25      'foo " bar' => 'bar',
26      'foo \' bar' => 'bar',
27      'foo3: ' => 'bar',
28      'foo4: ' => 'bar',
29      'foo5' => [
30        'foo " bar: ' => 'bar',
31        'foo \' bar: ' => 'bar',
32      ],
33    ]
34