anchor.diff:  
   tablerow
       : ('|' markup)+ '|' WS*
  -    ;
  -
  -
  -table
  -    : tableheader? tablerow+
       ;
   
   title
  
positive.code:     | text
      | listitem
      | image
      | table
      | nowiki
      ;
      
  
negative.code:     ;
  
  href
      : LBRACKET text ('|' markup+)? RBRACKET
      | LBRACE text '|' markup+ RBRACE // Creole 0.2
      ;
  
  image
  