multimarkdownExtensions :: Set Extension
multimarkdownExtensions = Set.fromList
  [ Ext_pipe_tables
  , Ext_raw_html
  , Ext_markdown_attribute
  , Ext_link_attributes
  , Ext_raw_tex
  , Ext_tex_math_double_backslash
  , Ext_intraword_underscores
  , Ext_mmd_title_block
  , Ext_footnotes
  , Ext_definition_lists
  , Ext_all_symbols_escapable
  , Ext_implicit_header_references
  , Ext_auto_identifiers
  , Ext_mmd_header_identifiers
  ]
multimarkdownExtensions :: Set Extension
multimarkdownExtensions = Set.fromList
  [ Ext_pipe_tables
  , Ext_raw_html
  , Ext_markdown_attribute
  , Ext_link_attributes
  , Ext_raw_tex
  , Ext_tex_math_double_backslash
  , Ext_intraword_underscores
  , Ext_mmd_title_block
  , Ext_footnotes
  , Ext_definition_lists
  , Ext_all_symbols_escapable
  , Ext_implicit_header_references
  , Ext_auto_identifiers
  , Ext_mmd_header_identifiers
  ]
multimarkdownExtensions = Set.fromList
  [ Ext_pipe_tables
  , Ext_raw_html
  , Ext_markdown_attribute
  , Ext_link_attributes
  , Ext_raw_tex
  , Ext_tex_math_double_backslash
  , Ext_intraword_underscores
  , Ext_mmd_title_block
  , Ext_footnotes
  , Ext_definition_lists
  , Ext_all_symbols_escapable
  , Ext_implicit_header_references
  , Ext_auto_identifiers
  , Ext_mmd_header_identifiers
  ]