diff --git a/src/script/script_flags.h b/src/script/script_flags.h
index df7cd58274..dbd36f3547 100644
--- a/src/script/script_flags.h
+++ b/src/script/script_flags.h
@@ -1,125 +1,125 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2016 The Bitcoin Core developers
 // Copyright (c) 2017-2018 The Bitcoin developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef BITCOIN_SCRIPT_SCRIPT_FLAGS_H
 #define BITCOIN_SCRIPT_SCRIPT_FLAGS_H
 
 /** Script verification flags */
 enum {
     SCRIPT_VERIFY_NONE = 0,
 
     // Evaluate P2SH subscripts (softfork safe, BIP16).
     // Note: The Segwit Recovery feature is an exception to P2SH
     SCRIPT_VERIFY_P2SH = (1U << 0),
 
     // Passing a non-strict-DER signature or one with undefined hashtype to a
     // checksig operation causes script failure. Evaluating a pubkey that is not
     // (0x04 + 64 bytes) or (0x02 or 0x03 + 32 bytes) by checksig causes script
     // failure.
     SCRIPT_VERIFY_STRICTENC = (1U << 1),
 
     // Passing a non-strict-DER signature to a checksig operation causes script
     // failure (BIP62 rule 1)
     SCRIPT_VERIFY_DERSIG = (1U << 2),
 
     // Passing a non-strict-DER signature or one with S > order/2 to a checksig
     // operation causes script failure
     // (BIP62 rule 5).
     SCRIPT_VERIFY_LOW_S = (1U << 3),
 
     // Using a non-push operator in the scriptSig causes script failure
     // (BIP62 rule 2).
     SCRIPT_VERIFY_SIGPUSHONLY = (1U << 5),
 
     // Require minimal encodings for all push operations (OP_0... OP_16,
     // OP_1NEGATE where possible, direct pushes up to 75 bytes, OP_PUSHDATA up
     // to 255 bytes, OP_PUSHDATA2 for anything larger). Evaluating any other
     // push causes the script to fail (BIP62 rule 3). In addition, whenever a
     // stack element is interpreted as a number, it must be of minimal length
     // (BIP62 rule 4).
     SCRIPT_VERIFY_MINIMALDATA = (1U << 6),
 
     // Discourage use of NOPs reserved for upgrades (NOP1-10)
     //
     // Provided so that nodes can avoid accepting or mining transactions
     // containing executed NOP's whose meaning may change after a soft-fork,
     // thus rendering the script invalid; with this flag set executing
     // discouraged NOPs fails the script. This verification flag will never be a
     // mandatory flag applied to scripts in a block. NOPs that are not executed,
     // e.g.  within an unexecuted IF ENDIF block, are *not* rejected.
     SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS = (1U << 7),
 
     // Require that only a single stack element remains after evaluation. This
     // changes the success criterion from "At least one stack element must
     // remain, and when interpreted as a boolean, it must be true" to "Exactly
     // one stack element must remain, and when interpreted as a boolean, it must
     // be true".
     // (BIP62 rule 6)
     // Note: CLEANSTACK should never be used without P2SH.
     // Note: The Segwit Recovery feature is an exception to CLEANSTACK
     SCRIPT_VERIFY_CLEANSTACK = (1U << 8),
 
     // Verify CHECKLOCKTIMEVERIFY
     //
     // See BIP65 for details.
     SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9),
 
     // support CHECKSEQUENCEVERIFY opcode
     //
     // See BIP112 for details
     SCRIPT_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10),
 
     // Require the argument of OP_IF/NOTIF to be exactly 0x01 or empty vector
     //
     SCRIPT_VERIFY_MINIMALIF = (1U << 13),
 
     // Signature(s) must be empty vector if an CHECK(MULTI)SIG operation failed
     //
     SCRIPT_VERIFY_NULLFAIL = (1U << 14),
 
     // Public keys in scripts must be compressed
     //
     SCRIPT_VERIFY_COMPRESSED_PUBKEYTYPE = (1U << 15),
 
     // Do we accept signature using SIGHASH_FORKID
     //
     SCRIPT_ENABLE_SIGHASH_FORKID = (1U << 16),
 
     // Do we accept activate replay protection using a different fork id.
     //
     SCRIPT_ENABLE_REPLAY_PROTECTION = (1U << 17),
 
     // Count sigops for OP_CHECKDATASIG and variant. The interpreter treats
     // OP_CHECKDATASIG(VERIFY) as always valid, this flag only affects sigops
     // counting.
     //
     SCRIPT_VERIFY_CHECKDATASIG_SIGOPS = (1U << 18),
 
     // The exception to CLEANSTACK and P2SH for the recovery of coins sent
     // to p2sh segwit addresses is not allowed.
     SCRIPT_DISALLOW_SEGWIT_RECOVERY = (1U << 20),
 
     // Whether to allow new OP_CHECKMULTISIG logic to trigger. (new multisig
     // logic verifies faster, and only allows Schnorr signatures)
     SCRIPT_ENABLE_SCHNORR_MULTISIG = (1U << 21),
 
     // Require the number of sigchecks in an input to satisfy a specific
     // bound, defined by scriptSig length.
     // Note: The Segwit Recovery feature is a (currently moot) exception to
     // VERIFY_INPUT_SIGCHECKS
     SCRIPT_VERIFY_INPUT_SIGCHECKS = (1U << 22),
-    
+
     // Whether the new OP_REVERSEBYTES opcode can be used.
     SCRIPT_ENABLE_OP_REVERSEBYTES = (1U << 23),
 
     // A utility flag to decide whether VerifyScript should output the correct
     // sigchecks value or to report zero.
     // This has no effect on script success / failure, and will be removed
     // after cleanup of the SigChecks upgrade.
     SCRIPT_REPORT_SIGCHECKS = (1U << 31),
 };
 
 #endif // BITCOIN_SCRIPT_SCRIPT_FLAGS_H