Bump date in EXTENDING docs

2021-05-31 01:19:01 -07:00 · 2021-05-31 01:19:01 -07:00 · b8706be13f
commit b8706be13f
parent 8bddd480de
10 changed files with 10 additions and 10 deletions
--- a/docs/ja_JP.UTF-8/EXTENDING.txt
+++ b/docs/ja_JP.UTF-8/EXTENDING.txt
@ -5,7 +5,7 @@
          Copyright © 2002-2021 by various contributors; "AUTHORS" 参照.
                            http://www.tuxpaint.org/

-                                   2021年3月 9日
+                                   2021年5月31日

     ----------------------------------------------------------------------