patch 9.1.0010: Keymap completion is not available

Problem:  Keymap completion is not available
Solution: Add keymap completion (Doug Kearns)

Add keymap completion to the 'keymap' option, user commands and builtin
completion functions.

closes: #13692

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index d458aa6..7d4d530 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 9.1.  Last change: 2023 December 31
+*map.txt*       For Vim version 9.1.  Last change: 2024 Jan 04
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1631,6 +1631,7 @@
 	-complete=help		help subjects
 	-complete=highlight	highlight groups
 	-complete=history	:history suboptions
+	-complete=keymap	keyboard mappings
 	-complete=locale	locale names (as output of locale -a)
 	-complete=mapclear	buffer argument
 	-complete=mapping	mapping name