old_contents: # Copyright Hybrid Logic Ltd.  See LICENSE file for details.
  
  """
  Sphinx extension to add a ``version-code-block`` directive
  
  This directive allows Flocker's release version to be inserted into code
  blocks.
  
  .. version-code-block:: rest
  
     $ brew install flocker-|RELEASE|
  """
  
  from sphinx.directives.code import CodeBlock
  
  from flocker import __version__ as version
  
  
  class VersionCodeBlock(CodeBlock):
      """
      Similar to CodeBlock but replaces |RELEASE| with the latest release
      version.
      """
      def run(self):
          # Use the WIP get_doc_version to get the latest release version
          # from https://github.com/ClusterHQ/flocker/pull/1092/
          self.content = [item.replace(u'|RELEASE|', version) for item in
                          self.content]
          block = CodeBlock(self.name, self.arguments, self.options,
                            self.content, self.lineno, self.content_offset,
                            self.block_text, self.state, self.state_machine)
          return block.run()
  
  
  def setup(app):
      app.add_directive('version-code-block', VersionCodeBlock)
  
new_contents: # Copyright Hybrid Logic Ltd.  See LICENSE file for details.
  
  """
  Sphinx extension to add a ``version-code-block`` directive
  
  This directive allows Flocker's release version to be inserted into code
  blocks.
  
  .. version-code-block:: console
  
     $ brew install flocker-|RELEASE|
  """
  
  from sphinx.directives.code import CodeBlock
  
  from flocker import __version__ as version
  
  
  class VersionCodeBlock(CodeBlock):
      """
      Similar to CodeBlock but replaces |RELEASE| with the latest release
      version.
      """
      def run(self):
          # Use the WIP get_doc_version to get the latest release version
          # from https://github.com/ClusterHQ/flocker/pull/1092/
          self.content = [item.replace(u'|RELEASE|', version) for item in
                          self.content]
          block = CodeBlock(self.name, self.arguments, self.options,
                            self.content, self.lineno, self.content_offset,
                            self.block_text, self.state, self.state_machine)
          return block.run()
  
  
  def setup(app):
      app.add_directive('version-code-block', VersionCodeBlock)
  
subject: Use console highlighting in example