insert.txt: Update Vim 9.0.0752

Author: tsuyoshicho

en/insert.txt

@@ -1,4 +1,4 @@
-*insert.txt*    For Vim version 9.0.  Last change: 2022 Apr 06
+*insert.txt*    For Vim version 9.0.  Last change: 2022 Sep 30
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -667,7 +667,7 @@ When the popup menu is displayed there are a few more special keys, see
 |popupmenu-keys|.
 
 Note: The keys that are valid in CTRL-X mode are not mapped.  This allows for
-":map ^F ^X^F" to work (where ^F is CTRL-F and ^X is CTRL-X).  The key that
+`:map <C-F> <C-X><C-F>` to work (assuming "<" is not in 'cpo').  The key that
 ends CTRL-X mode (any key that is not a valid CTRL-X mode command) is mapped.
 Also, when doing completion with 'complete' mappings apply as usual.
 
@@ -677,11 +677,12 @@ buffer text cannot be changed.  Mappings that somehow invoke ":normal i.."
 will generate an E565 error.
 
 The following mappings are suggested to make typing the completion commands
-a bit easier (although they will hide other commands): >
-    :inoremap ^] ^X^]
-    :inoremap ^F ^X^F
-    :inoremap ^D ^X^D
-    :inoremap ^L ^X^L
+a bit easier (although they will hide other commands; this requires "<" is not
+in 'cpo'): >
+    :inoremap <C-]> <C-X><C-]>
+    :inoremap <C-F> <C-X><C-F>
+    :inoremap <C-D> <C-X><C-D>
+    :inoremap <C-L> <C-X><C-L>
 
 As a special case, typing CTRL-R to perform register insertion (see
 |i_CTRL-R|) will not exit CTRL-X mode.  This is primarily to allow the use of