Update runtime files

runtime/doc/autocmd.txt

@@ -1,4 +1,4 @@
-*autocmd.txt*   For Vim version 8.2.  Last change: 2022 Apr 08
+*autocmd.txt*   For Vim version 8.2.  Last change: 2022 Apr 17
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -95,6 +95,7 @@ Or use `:execute`: >
 	:augroup mine | exe "au! BufRead *" | augroup END
 	:augroup mine | exe "au BufRead * set tw=70" | augroup END
 
+<							*autocmd-expand*
 Note that special characters (e.g., "%", "<cword>") in the ":autocmd"
 arguments are not expanded when the autocommand is defined.  These will be
 expanded when the Event is recognized, and the {cmd} is executed.  The only
@@ -473,13 +474,15 @@ BufRead or BufReadPost		When starting to edit a new buffer, after
 				executing the modelines.  See |BufWinEnter|
 				for when you need to do something after
 				processing the modelines.
-				This does NOT work for ":r file".  Not used
-				when the file doesn't exist.  Also used after
-				successfully recovering a file.
-				Also triggered for the filetypedetect group
-				when executing ":filetype detect" and when
-				writing an unnamed buffer in a way that the
-				buffer gets a name.
+				Also triggered:
+				- when writing an unnamed buffer in a way that
+				  the buffer gets a name
+				- after successfully recovering a file
+				- for the filetypedetect group when executing
+				  ":filetype detect"
+				Not triggered:
+				- for the `:read file` command
+				- when the file doesn't exist
 							*BufReadCmd*
 BufReadCmd			Before starting to edit a new buffer.  Should
 				read the file into the buffer. |Cmd-event|
@@ -707,9 +710,38 @@ CursorMoved			After the cursor was moved in Normal or Visual
 CursorMovedI			After the cursor was moved in Insert mode.
 				Not triggered when the popup menu is visible.
 				Otherwise the same as CursorMoved.
+							*DiffUpdated*
+DiffUpdated			After diffs have been updated.  Depending on
+				what kind of diff is being used (internal or
+				external) this can be triggered on every
+				change or when doing |:diffupdate|.
+							*DirChangedPre*
+DirChangedPre			The working directory is going to be changed,
+				as with |DirChanged|.  The pattern is like
+				with |DirChanged|.  The new directory can be
+				found in v:event.directory.
+							*DirChanged*
+DirChanged			The working directory has changed in response
+				to the |:cd| or |:tcd| or |:lcd| commands, or
+				as a result of the 'autochdir' option.
+				The pattern can be:
+					"window"  to trigger on `:lcd`
+					"tabpage" to trigger on `:tcd`
+					"global"  to trigger on `:cd`
+					"auto"    to trigger on 'autochdir'.
+					"drop"	  to trigger on editing a file
+				<afile> is set to the new directory name.
 							*EncodingChanged*
 EncodingChanged			Fires off after the 'encoding' option has been
 				changed.  Useful to set up fonts, for example.
+							*ExitPre*
+ExitPre				When using `:quit`, `:wq` in a way it makes
+				Vim exit, or using `:qall`, just after
+				|QuitPre|.  Can be used to close any
+				non-essential window.  Exiting may still be
+				cancelled if there is a modified buffer that
+				isn't automatically saved, use |VimLeavePre|
+				for really exiting.
 							*FileAppendCmd*
 FileAppendCmd			Before appending to a file.  Should do the
 				appending to the file.  Use the '[ and ']
@@ -737,35 +769,6 @@ FileChangedRO			Before making the first change to a read-only
 							*E881*
 				If the number of lines changes saving for undo
 				may fail and the change will be aborted.
-							*DiffUpdated*
-DiffUpdated			After diffs have been updated.  Depending on
-				what kind of diff is being used (internal or
-				external) this can be triggered on every
-				change or when doing |:diffupdate|.
-							*DirChangedPre*
-DirChangedPre			The working directory is going to be changed,
-				as with |DirChanged|.  The pattern is like
-				with |DirChanged|.  The new directory can be
-				found in v:event.directory.
-							*DirChanged*
-DirChanged			The working directory has changed in response
-				to the |:cd| or |:tcd| or |:lcd| commands, or
-				as a result of the 'autochdir' option.
-				The pattern can be:
-					"window"  to trigger on `:lcd`
-					"tabpage" to trigger on `:tcd`
-					"global"  to trigger on `:cd`
-					"auto"    to trigger on 'autochdir'.
-					"drop"	  to trigger on editing a file
-				<afile> is set to the new directory name.
-							*ExitPre*
-ExitPre				When using `:quit`, `:wq` in a way it makes
-				Vim exit, or using `:qall`, just after
-				|QuitPre|.  Can be used to close any
-				non-essential window.  Exiting may still be
-				cancelled if there is a modified buffer that
-				isn't automatically saved, use |VimLeavePre|
-				for really exiting.
 							*FileChangedShell*
 FileChangedShell		When Vim notices that the modification time of
 				a file has changed since editing started.