Update runtime files
diff --git a/runtime/doc/editing.txt b/runtime/doc/editing.txt
index fc4080c..d6161b1 100644
--- a/runtime/doc/editing.txt
+++ b/runtime/doc/editing.txt
@@ -1,4 +1,4 @@
-*editing.txt* For Vim version 8.2. Last change: 2021 Dec 11
+*editing.txt* For Vim version 8.2. Last change: 2021 Dec 27
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1147,6 +1147,9 @@
made.
When 'hidden' is set and there are more windows, the
current buffer becomes hidden, after writing the file.
+ This command is not supported in |Vim9| script,
+ because it is too easily confused with a variable
+ name.
*:exi* *:exit*
:[range]exi[t][!] [++opt] [file]