At a minimum, help text should note this. This is true for things like addwitnessaddress especially.
#include "base58.h"
#include "chain.h"
#include "rpc/safemode.h"
#include "rpc/server.h"
#include "init.h"
#include "validation.h"
#include "script/script.h"
#include "script/standard.h"
#include "sync.h"
#include "util.h"
#include "utiltime.h"
#include "wallet.h"
#include "merkleblock.h"
#include "core_io.h"
#include "rpcwallet.h"
#include <fstream>
#include <stdint.h>
#include <boost/algorithm/string.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <univalue.h>
std::string static EncodeDumpTime(int64_t nTime) {