Update runtime files
diff --git a/runtime/doc/repeat.txt b/runtime/doc/repeat.txt
index 049fabb..25f375e 100644
--- a/runtime/doc/repeat.txt
+++ b/runtime/doc/repeat.txt
@@ -1,4 +1,4 @@
-*repeat.txt* For Vim version 8.2. Last change: 2021 Nov 24
+*repeat.txt* For Vim version 8.2. Last change: 2021 Dec 27
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -495,6 +495,9 @@
\ "very long regexp"
\ keepend
+In |Vim9| script the backslash can often be omitted, but not always.
+See |vim9-line-continuation|.
+
There is a problem with the ":append" and ":insert" commands: >
:1append
\asdf