Update runtime files
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index 346189b..a1d106d 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -1,4 +1,4 @@
-*vim9.txt* For Vim version 8.2. Last change: 2021 Aug 23
+*vim9.txt* For Vim version 8.2. Last change: 2021 Sep 08
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1416,11 +1416,10 @@
To import all exported items under a specific identifier: >
import * as That from 'thatscript.vim'
-{not implemented yet: using "This as That"}
-
Then you can use "That.EXPORTED_CONST", "That.someValue", etc. You are free
to choose the name "That", but it is highly recommended to use the name of the
-script file to avoid confusion.
+script file to avoid confusion. Also avoid command names, because the name
+will shadow them.
`:import` can also be used in legacy Vim script. The imported items still
become script-local, even when the "s:" prefix is not given.