json-spirit print reals with 8 decimal places,

bitcoind help <command> instead of bitcoind <command> -?

json/json_spirit_value.h

@@ -342,7 +342,7 @@ namespace json_spirit
         {
             std::ostringstream os;
 
-            /// satoshi: tell the types by name instead of by number
+            ///// Bitcoin: Tell the types by name instead of by number
             os << "value is type " << Value_type_name[type()] << ", expected " << Value_type_name[vtype];
 
             throw std::runtime_error( os.str() );