updated for version 7.3.514

Problem:    No completion for :history command.
Solution:   Add the completion and update the docs. Also fix ":behave"
            completion. (Dominique Pelle)

runtime/doc/cmdline.txt

@@ -330,12 +330,12 @@ terminals)
 
 :his[tory] [{name}] [{first}][, [{last}]]
 		List the contents of history {name} which can be:
-		c[md]	 or :	command-line history
-		s[earch] or /	search string history
-		e[xpr]	 or =	expression register history
-		i[nput]	 or @	input line history
-		d[ebug]	 or >	debug command history
-		a[ll]		all of the above
+		c[md]	 or :		command-line history
+		s[earch] or / or ?	search string history
+		e[xpr]	 or =		expression register history
+		i[nput]	 or @		input line history
+		d[ebug]	 or >		debug command history
+		a[ll]			all of the above
 		{not in Vi}
 
 		If the numbers {first} and/or {last} are given, the respective

runtime/doc/map.txt

@@ -1219,6 +1219,7 @@ completion can be enabled:
 
 	-complete=augroup	autocmd groups
 	-complete=buffer	buffer names
+	-complete=behave	:behave suboptions
 	-complete=color		color schemes
 	-complete=command	Ex command (and arguments)
 	-complete=compiler	compilers
@@ -1233,6 +1234,7 @@ completion can be enabled:
 	-complete=function	function name
 	-complete=help		help subjects
 	-complete=highlight	highlight groups
+	-complete=history	:history suboptions
 	-complete=locale	locale names (as output of locale -a)
 	-complete=mapping	mapping name
 	-complete=menu		menus