--- trunk/src/io/Globals.cpp	2006/04/25 02:09:01	945
+++ trunk/src/io/Globals.cpp	2006/07/03 13:18:43	998
@@ -119,6 +119,7 @@ Globals::Globals() {
   DefineOptionalParameterWithDefaultValue(SkinThickness, "skinThickness", 1.0);
   DefineOptionalParameterWithDefaultValue(StatFileFormat, "statFileFormat", "TIME|TOTAL_ENERGY|POTENTIAL_ENERGY|KINETIC_ENERGY|TEMPERATURE|PRESSURE|VOLUME|CONSERVED_QUANTITY");    
   DefineOptionalParameterWithDefaultValue(UseSphericalBoundaryConditions, "useSphericalBoundaryConditions", false);
+  DefineOptionalParameterWithDefaultValue(AccumulateBoxDipole, "accumulateBoxDipole", false);
 
 
     deprecatedKeywords_.insert("nComponents");
@@ -164,7 +165,7 @@ void Globals::validate() {
   CheckParameter(MinimizerLSMaxIter, isPositive());
   CheckParameter(ZconsGap, isPositive());
   CheckParameter(ZconsFixtime, isPositive());
-  CheckParameter(ThermodynamicIntegrationLambda, isPositive());
+  CheckParameter(ThermodynamicIntegrationLambda, isNonNegative());
   CheckParameter(ThermodynamicIntegrationK, isPositive());
   CheckParameter(ForceFieldVariant, isNotEmpty());
   CheckParameter(ForceFieldFileName, isNotEmpty());