//make substitution backwards if possible
if (substVars.canReSubstitute(i)) {
substString = substVal + "/additional/path";
log.println("Substitute backwards '"+substString+"'");
newValue = oObj.reSubstituteVariables(substString);
log.println("Return value '"+newValue+"'");
// 2do: better check for correct substitution
assure("Did not reSubstitute '"
+ substString + "' to '" + newValue
+ "' correctly:", checkResubstitute(newValue, var));