code: private void setDuplicateVars(VariableInfo varInfo) {
          // PM23092
          boolean alreadyDup = false;
          VariableInfo var = null;
          String varInfoVarName = varInfo.getVarName();
          for (int x = 0; x < dupVector.size(); x++) {
              var = (VariableInfo) dupVector.get(x);
              if (var.getVarName().equals(varInfoVarName)) {
                  alreadyDup = true;
                  break;
              }
          }
          if (!alreadyDup) {
              dupVector.addElement((Object)varInfo);
          }
          // PM23092
  	}
docs: PK29373