old_contents: """Simple magics for display formats"""
  #-----------------------------------------------------------------------------
  #  Copyright (c) 2012 The IPython Development Team.
  #
  #  Distributed under the terms of the Modified BSD License.
  #
  #  The full license is in the file COPYING.txt, distributed with this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  # Our own packages
  from IPython.core.display import display, Javascript, Latex, SVG
  from IPython.core.magic import  (
      Magics, magics_class, cell_magic
  )
  
  #-----------------------------------------------------------------------------
  # Magic implementation classes
  #-----------------------------------------------------------------------------
  
  
  @magics_class
  class DisplayMagics(Magics):
      """Magics for displaying various output types with literals
      
      Defines javascript/latex cell magics for writing blocks in those languages,
      to be rendered in the frontend.
      """
      
      @cell_magic
      def javascript(self, line, cell):
          """Run the cell block of Javascript code"""
          display(Javascript(cell))
          
      
      @cell_magic
      def latex(self, line, cell):
          """Render the cell as a block of latex"""
          display(Latex(cell))
  
      @cell_magic
      def svg(self, line, cell):
          """Render the cell as an SVG literal"""
          display(SVG(cell))
  
new_contents: """Simple magics for display formats"""
  #-----------------------------------------------------------------------------
  #  Copyright (c) 2012 The IPython Development Team.
  #
  #  Distributed under the terms of the Modified BSD License.
  #
  #  The full license is in the file COPYING.txt, distributed with this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  # Our own packages
  from IPython.core.display import display, Javascript, Latex, SVG, HTML
  from IPython.core.magic import  (
      Magics, magics_class, cell_magic
  )
  
  #-----------------------------------------------------------------------------
  # Magic implementation classes
  #-----------------------------------------------------------------------------
  
  
  @magics_class
  class DisplayMagics(Magics):
      """Magics for displaying various output types with literals
      
      Defines javascript/latex cell magics for writing blocks in those languages,
      to be rendered in the frontend.
      """
      
      @cell_magic
      def javascript(self, line, cell):
          """Run the cell block of Javascript code"""
          display(Javascript(cell))
          
      
      @cell_magic
      def latex(self, line, cell):
          """Render the cell as a block of latex"""
          display(Latex(cell))
  
      @cell_magic
      def svg(self, line, cell):
          """Render the cell as an SVG literal"""
          display(SVG(cell))
  
      @cell_magic
      def html(self, line, cell):
          """Render the cell as an SVG literal"""
          display(HTML(cell))
  
subject: add %%html cell magic