parameters: ( tag_url, export_dir )
docstring: Exports the tag_url revision to export_dir.
         Target directory, including its parent is created if it does not exist.
         If the directory export_dir exist, it is deleted before export proceed.
docstring_summary: Exports the tag_url revision to export_dir.
         Target directory, including its parent is created if it does not exist.
         If the directory export_dir exist, it is deleted before export proceed.
docstring_tokens: Exports the tag_url revision to export_dir . Target directory including its parent is created if it does not exist . If the directory export_dir exist it is deleted before export proceed .
function: def svn_export( tag_url, export_dir ):
      """Exports the tag_url revision to export_dir.
         Target directory, including its parent is created if it does not exist.
         If the directory export_dir exist, it is deleted before export proceed.
      """
      rmdir_if_exist( export_dir )
      svn_command( 'export', tag_url, export_dir )
function_tokens: def svn_export ( tag_url , export_dir ) : rmdir_if_exist ( export_dir ) svn_command ( 'export' , tag_url , export_dir )