anchor.diff:  
   nowiki
       : NOWIKI
  -    ;
  -
  -BACKSLASH
  -    : '\\'
       ;
   
   HASH
  
positive.code:     | ')'
      | '-'
      | '/'
      | '\''
      | '~'
      | '"'
      | '+'
      ;
  
  fragment SPACE
      : ' '
      ;
negative.code:     ;
  
  tableheader
      : ('|=' markup+)+ '|' WS*
      ;
  
  tablerow
  