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+--- %YAML:1.0 
+test: Single ending newline 
+brief: > 
+    A pipe character, followed by an indented
+    block of text is treated as a literal
+    block, in which newlines are preserved
+    throughout the block, including the final
+    newline.
+yaml: | 
+    ---
+    this: |
+        Foo
+        Bar
+php: | 
+    array('this' => "Foo\nBar\n")
+--- 
+test: The '+' indicator 
+brief: > 
+    The '+' indicator says to keep newlines at the end of text 
+    blocks. 
+yaml: |
+    normal: |
+      extra new lines not kept
+
+    preserving: |+
+      extra new lines are kept
+
+
+    dummy: value
+php: | 
+    array( 
+        'normal' => "extra new lines not kept\n", 
+        'preserving' => "extra new lines are kept\n\n\n", 
+        'dummy' => 'value' 
+    ) 
+--- 
+test: Three trailing newlines in literals 
+brief: > 
+    To give you more control over how space 
+    is preserved in text blocks, YAML has 
+    the keep '+' and chomp '-' indicators. 
+    The keep indicator will preserve all 
+    ending newlines, while the chomp indicator 
+    will strip all ending newlines. 
+yaml: |
+    clipped: |
+        This has one newline.
+
+
+
+    same as "clipped" above: "This has one newline.\n"
+
+    stripped: |-
+        This has no newline.
+
+
+
+    same as "stripped" above: "This has no newline."
+
+    kept: |+
+        This has four newlines.
+
+
+
+    same as "kept" above: "This has four newlines.\n\n\n\n"
+php: |
+    array(  
+      'clipped' => "This has one newline.\n", 
+      'same as "clipped" above' => "This has one newline.\n", 
+      'stripped' => 'This has no newline.', 
+      'same as "stripped" above' => 'This has no newline.', 
+      'kept' => "This has four newlines.\n\n\n\n", 
+      'same as "kept" above' => "This has four newlines.\n\n\n\n" 
+    )
+--- 
+test: Extra trailing newlines with spaces
+todo: true
+brief: >
+    Normally, only a single newline is kept 
+    from the end of a literal block, unless the 
+    keep '+' character is used in combination 
+    with the pipe.  The following example 
+    will preserve all ending whitespace 
+    since the last line of both literal blocks 
+    contains spaces which extend past the indentation 
+    level. 
+yaml: |
+    ---
+    this: |
+        Foo
+
+          
+    kept: |+
+        Foo
+
+          
+php: | 
+    array('this' => "Foo\n\n  \n",  
+      'kept' => "Foo\n\n  \n" )
+ 
+--- 
+test: Folded Block in a Sequence 
+brief: > 
+    A greater-then character, followed by an indented 
+    block of text is treated as a folded block, in 
+    which lines of text separated by a single newline 
+    are concatenated as a single line. 
+yaml: | 
+    ---
+    - apple
+    - banana
+    - >
+        can't you see
+        the beauty of yaml?
+        hmm
+    - dog
+php: | 
+    array( 
+        'apple',  
+        'banana',  
+        "can't you see the beauty of yaml? hmm\n", 
+        'dog' 
+    )
+--- 
+test: Folded Block as a Mapping Value 
+brief: > 
+    Both literal and folded blocks can be 
+    used in collections, as values in a  
+    sequence or a mapping. 
+yaml: |
+    ---
+    quote: >
+        Mark McGwire's
+        year was crippled
+        by a knee injury.
+    source: espn
+php: |
+    array( 
+        'quote' => "Mark McGwire's year was crippled by a knee injury.\n", 
+        'source' => 'espn' 
+    ) 
+--- 
+test: Three trailing newlines in folded blocks 
+brief: > 
+    The keep and chomp indicators can also 
+    be applied to folded blocks. 
+yaml: | 
+    clipped: >
+        This has one newline.
+
+
+
+    same as "clipped" above: "This has one newline.\n" 
+ 
+    stripped: >-
+        This has no newline.
+
+
+
+    same as "stripped" above: "This has no newline."
+
+    kept: >+
+        This has four newlines.
+
+
+
+    same as "kept" above: "This has four newlines.\n\n\n\n"
+php: |
+    array(  
+      'clipped' => "This has one newline.\n", 
+      'same as "clipped" above' => "This has one newline.\n", 
+      'stripped' => 'This has no newline.', 
+      'same as "stripped" above' => 'This has no newline.', 
+      'kept' => "This has four newlines.\n\n\n\n", 
+      'same as "kept" above' => "This has four newlines.\n\n\n\n" 
+    )