anchor.diff:  
     /// Adds a [XmlCDATA] node with the provided [text].
     ///
  -  /// For example, to generate a CDATA element with the text _Hello World_
  +  /// For example, to generate an XML CDATA element `<![CDATA[Hello World]]>`
     /// one would write:
     ///
     ///     builder.cdata('Hello World');
  
positive.code: 
    /// Adds a [XmlText] node with the provided [text].
    ///
    /// For example, to generate the text _Hello World_ one would write:
    ///
    ///     builder.text('Hello World');
    ///
  
negative.code:   /// a string or another common object that will be converted to a string and
    /// added as a text node.
    ///
    /// For example, to generate an XML element with the tag _message_ and the
    /// contained text _Hello World_ one would write:
    ///
    ///     builder.element('message', nest: 'Hello World');
  