private void delete(final DiffBlock curA){
  DiffPart action=new DiffPart(DiffAction.DELETE);
  action.setStart(version.length());
  codecData.checkBlocksizeS(version.length());
  action.setLength(curA.getRevAEnd() - curA.getRevAStart());
  codecData.checkBlocksizeE(action.getLength());
  diff.add(action);
}

private void delete ( final DiffBlock curA ) { DiffPart action = new DiffPart ( DiffAction . DELETE ) ; action . setStart ( version . length ( ) ) ; codecData . checkBlocksizeS ( version . length ( ) ) ; action . setLength ( curA . getRevAEnd ( ) - curA . getRevAStart ( ) ) ; codecData . checkBlocksizeE ( action . getLength ( ) ) ; diff . add ( action ) ; }
creates a delete operation .
