diff runtime/doc/usr_40.txt @ 29269:0fdf36de4018

Update runtime files Commit: https://github.com/vim/vim/commit/8cc5b559f70041361612b8a6a87922503b33baa6 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 23 13:04:20 2022 +0100 Update runtime files
author Bram Moolenaar <Bram@vim.org>
date Thu, 23 Jun 2022 14:15:04 +0200
parents 3e661b0cf500
children d314efe6447a
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--- a/runtime/doc/usr_40.txt
+++ b/runtime/doc/usr_40.txt
@@ -1,4 +1,4 @@
-*usr_40.txt*	For Vim version 8.2.  Last change: 2022 Jan 03
+*usr_40.txt*	For Vim version 8.2.  Last change: 2022 Jun 20
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -463,6 +463,17 @@ separated) that trigger the command.
 The optional [++nested] flag allows for nesting of autocommands (see below),
 and finally, {command} is the command to be executed.
 
+When adding an autocommand the already existing ones remain.  To avoid adding
+the autocommand several time you should use this form: >
+
+	:augroup updateDate
+	:  autocmd!
+	:  autocmd BufWritePre *  call DateInsert()
+	:augroup END
+
+This will delete any previously defined autocommand with `:autocmd!` before
+defining the new one.  Groups are explained later.
+
 
 EVENTS