Index: DGDefs.h
===================================================================
diff -u -rbe2ccf4c93a0ae7f3ac85d2d98000caccfc69d70 -rac49504abf12c107704cf84ce4227f5c696f7785
--- DGDefs.h	(.../DGDefs.h)	(revision be2ccf4c93a0ae7f3ac85d2d98000caccfc69d70)
+++ DGDefs.h	(.../DGDefs.h)	(revision ac49504abf12c107704cf84ce4227f5c696f7785)
@@ -644,6 +644,7 @@
     NELSON_INOCULATE,                                                   ///< Nelson inoculate.
     NELSON_HEAT_DISINFECT,                                              ///< Nelson heat disinfect.
     NELSON_POS_CONTROL_CHEM_DISINFECT,                                  ///< Nelson positive control chemical disinfect.
+    NELSON_POS_CONTROL_HEAT_DISINFECT,                                  ///< Nelson positive control heat disinfect.
     NELSON_CHEM_DISINFECT,                                              ///< Nelson chemical disinfect.
     NELSON_DRAIN_SAMPLES,                                               ///< Nelson drain sample.
     NUM_OF_NELSON_SUPPORT                                               ///< Number of Nelson supports.