Fixed twitter link

vendor/symfony/yaml/Tests/Fixtures/sfQuotes.yml

@@ -0,0 +1,33 @@
+--- %YAML:1.0
+test: Some characters at the beginning of a string must be escaped
+brief: >
+    Some characters at the beginning of a string must be escaped
+yaml: |
+    foo: '| bar'
+php: |
+    ['foo' => '| bar']
+---
+test: A key can be a quoted string
+brief: >
+  A key can be a quoted string
+yaml: |
+    "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',
+      ],
+    ]