anchor.diff:  
   RawUrl    : (('http' 's'? | 'ftp') '://' | 'mailto:') (~(' '|'\t'|'\r'|'\n'|'/'|'|'|'['|']')+ '/'?)+ {doUrl();};
   
  -WikiWords : (ALNUM+ ':')? UPNUM ((LOWNUM|'.')* LOWNUM)+ (UPNUM ((LOWNUM|'.')* LOWNUM)*)+;
  +WikiWords : (ALNUM+ ':' UPNUM ((LOWNUM|'.')* LOWNUM)+ (UPNUM ((LOWNUM|'.')* LOWNUM)*)+
  +            |UPPER ((LOWNUM|'.')* LOWNUM)+ (UPNUM ((LOWNUM|'.')* LOWNUM)*)+) {checkWW()}?;
   
   /* ***** Macros ***** */
   
  
positive.code: 
      return ends;
    }
  }
  
  /* ***** Headings ***** */
  
negative.code: Any : . ;
  WS  : (' '|'\t')+ ;
  
  fragment NOTALNUM : ~('A'..'Z'|'a'..'z'|'0'..'9') ;
  fragment START : {start}? | LINE ;
  fragment LINE  : {getCharPositionInLine()==0}? (' '|'\t')*;
  fragment LOWNUM : (LOWER | DIGIT) ;
  