anchor.diff:  COMMENTTAG : '>*';
   DOLLARCHAR : '$';
   DOUBLEQUOTE : '"';
  +// period full stop
  +DOT_FS : '.' ('\r' | '\n' | '\f' | '\t' | ' ')+ | '.' EOF;
   DOT : '.';
   EQUALCHAR : '=';
   LESSTHANCHAR : '<';
  
positive.code: 	(
  		USAGE IS? (DISPLAY | DISPLAY_1)	
  	)
  	DOT
  ;
  
  reportGroupDescriptionEntryFormat3 :
  
negative.code: // -- procedure section ----------------------------------
  
  procedureSection :
  	procedureSectionHeader DOT_FS paragraphs
  ;
  
  paragraphs :
  