Update runtime files.
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index c2eb76c..ef31261 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 9.0.  Last change: 2023 Jan 09
+*map.txt*       For Vim version 9.0.  Last change: 2023 Feb 18
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -845,7 +845,7 @@
 you type slowly, or your system is slow, reset the 'timeout' option.  Then you
 might want to set the 'ttimeout' option.
 
-			      				*map-precedence*
+							*map-precedence*
 Buffer-local mappings (defined using |:map-<buffer>|) take precedence over
 global mappings.  When a buffer-local mapping is the same as a global mapping,
 Vim will use the buffer-local mapping.  In addition, Vim will use a complete
@@ -923,6 +923,11 @@
 
 1.10 MAPPING ALT-KEYS					*:map-alt-keys*
 
+For a readable mapping command the <A-k> form can be used.  Note that <A-k>
+and <A-K> are different, the latter will use an upper case letter.  Actually,
+<A-K> and <A-S-K> are the same.  Instead of "A" you can use "M".  If you have
+an actual Meta modifier key, please see |:map-meta-keys|.
+
 In the GUI Vim handles the Alt key itself, thus mapping keys with ALT should
 always work.  But in a terminal Vim gets a sequence of bytes and has to figure
 out whether ALT was pressed or not.
@@ -1028,7 +1033,7 @@
 To see if Vim detected such an escape sequence use `:verbose map`, the first
 line will then show "Seen modifyOtherKeys: true" (possibly translated).
 
-This automatic detection depends on receiving an escape code starting with 
+This automatic detection depends on receiving an escape code starting with
 "<1b>[27;".  This is the normal way xterm sends these key codes.  However, if
 the *formatOtherKeys* resource is set another form is used that is not
 recognized, therefore you must not set formatOtherKeys.
@@ -1069,7 +1074,7 @@
 	Disabled	protocol was used but expected to have been disabled
 			by 't_TE'
 	Cleared		protocol expected to have beeen disabled by 't_TE',
-			previous state is unknown 
+			previous state is unknown
 
 
 1.14 MAPPING AN OPERATOR				*:map-operator*
@@ -1212,7 +1217,7 @@
 Examples of strings that cannot be abbreviations: "a.b", "#def", "a b", "_$r"
 
 An abbreviation is only recognized when you type a non-keyword character.
-This can also be the <Esc> that ends insert mode or the <CR> that ends a
+This can also be the <Esc> that ends Insert mode or the <CR> that ends a
 command.  The non-keyword character which ends the abbreviation is inserted
 after the expanded abbreviation.  An exception to this is the character <C-]>,
 which is used to expand an abbreviation without inserting any extra
@@ -1723,7 +1728,7 @@
 relate to arguments, (loaded) buffers, windows or tab pages.
 
 Possible values are (second column is the short name used in listing):
-    -addr=lines		  	Range of lines (this is the default for -range)
+    -addr=lines			Range of lines (this is the default for -range)
     -addr=arguments	  arg	Range for arguments
     -addr=buffers	  buf	Range for buffers (also not loaded buffers)
     -addr=loaded_buffers  load	Range for loaded buffers