Code cleanup

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2021 yhirose
+Copyright (c) 2022 yhirose
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -713,11 +713,10 @@ Sample codes
   * [Calculator (AST version)](https://github.com/yhirose/cpp-peglib/blob/master/example/calc3.cc)
   * [Calculator (parsing expressions by precedence climbing)](https://github.com/yhirose/cpp-peglib/blob/master/example/calc4.cc)
   * [Calculator (AST version and parsing expressions by precedence climbing)](https://github.com/yhirose/cpp-peglib/blob/master/example/calc5.cc)
-  * [PL/0 language example](https://github.com/yhirose/cpp-peglib/blob/master/pl0/pl0.cc)
-  * [A tiny PL/0 JIT compiler in less than 700 LOC with LLVM and PEG parser](https://github.com/yhirose/pl0-jit-compiler)
+  * [A tiny PL/0 JIT compiler in less than 900 LOC with LLVM and PEG parser](https://github.com/yhirose/pl0-jit-compiler)
   * [A Programming Language just for writing Fizz Buzz program. :)](https://github.com/yhirose/fizzbuzzlang)
 
 License
 -------
 
-MIT license (© 2021 Yuji Hirose)
+MIT license (© 2022 Yuji Hirose)

pl0/pl0.cc

@@ -1,7 +1,7 @@
 //
 //  pl0.cc - PL/0 language (https://en.wikipedia.org/wiki/PL/0)
 //
-//  Copyright (c) 2020 Yuji Hirose. All rights reserved.
+//  Copyright (c) 2022 Yuji Hirose. All rights reserved.
 //  MIT License
 //