update license year

This commit is contained in:
Yihui Xie 2021-11-11 23:13:01 -06:00
parent 8079ad2d63
commit c5236cf022

View file

@ -1,6 +1,6 @@
The MIT License (MIT)
Copyright (c) 2017-2020 Yihui Xie
Copyright (c) 2017-2021 Yihui Xie
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in