           send [ left_fence, name, stretch, ( @copy meta ), ]
         else
           send [ type, name, stretch, ( @copy meta ), ]
-      return R.join ''
     #.......................................................................................................
     else
       send event
 
 #-----------------------------------------------------------------------------------------------------------
-MKTS.$XXX_unescape_raw_spans  = ( state ) ->
+@$XXX_unescape_raw_spans  = ( state ) ->
   return $ ( event, send ) =>
     if @.select event, '.', [ 'text', 'code', 'comment', ]
       [ type, name, text, meta, ] = event

  return R

#-----------------------------------------------------------------------------------------------------------
MKTS.$XXX_expand_commands = ( text ) ->
  return $ ( event, send ) =>
    #.......................................................................................................
    if @.select event, '.', [ 'text', 'code', 'comment', ]

  ///g

#-----------------------------------------------------------------------------------------------------------
@XXX_escape_raw_spans = ( text ) ->
  R = text
  R = @XXX_escape_escape_chrs R
  R = R.replace @XXX_raw_bracketed_pattern, ( _, $1, $2, $3 ) =>
