patch 8.2.4565: no command line completion for :breakadd and :breakdel

Problem:    No command line completion for :breakadd and :breakdel.
Solution:   Add completion for :breakadd and :breakdel. (Yegappan Lakshmanan,
            closes #9950)
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 922a2da..9e5b6f2 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -3230,7 +3230,8 @@
 		arglist		file names in argument list
 		augroup		autocmd groups
 		buffer		buffer names
-		behave		:behave suboptions
+		behave		|:behave| suboptions
+		breakpoint	|:breakadd| and |:breakdel| suboptions
 		color		color schemes
 		command		Ex command
 		cmdline		|cmdline-completion| result
@@ -3247,7 +3248,7 @@
 		function	function name
 		help		help subjects
 		highlight	highlight groups
-		history		:history suboptions
+		history		|:history| suboptions
 		locale		locale names (as output of locale -a)
 		mapclear	buffer argument
 		mapping		mapping name