Update runtime files
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index c288377..2f60835 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt* For Vim version 8.2. Last change: 2021 Sep 09
+*windows.txt* For Vim version 8.2. Last change: 2021 Nov 29
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1203,6 +1203,8 @@
the current buffer remains being edited. See |:buffer-!| for
[!]. This will also edit a buffer that is not in the buffer
list, without setting the 'buflisted' flag.
+ The notation with single quotes does not work here,
+ `:buf 12'345'` uses 12'345 as a buffer name.
Also see |+cmd|.
:[N]b[uffer][!] [+cmd] {bufname} *{bufname}*