patch 8.1.2017: cannot execute commands after closing the cmdline window

Problem:    Cannot execute commands after closing the cmdline window.
Solution:   Also trigger BufEnter and WinEnter. (closes #4762)
diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index 7893651..aa28362 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -554,16 +554,14 @@
 							*CmdwinEnter*
 CmdwinEnter			After entering the command-line window.
 				Useful for setting options specifically for
-				this special type of window.  This is
-				triggered _instead_ of BufEnter and WinEnter.
+				this special type of window.
 				<afile> is set to a single character,
 				indicating the type of command-line.
 				|cmdwin-char|
 							*CmdwinLeave*
 CmdwinLeave			Before leaving the command-line window.
 				Useful to clean up any global setting done
-				with CmdwinEnter.  This is triggered _instead_
-				of BufLeave and WinLeave.
+				with CmdwinEnter.
 				<afile> is set to a single character,
 				indicating the type of command-line.
 				|cmdwin-char|
diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index 22b4e6f..a3aeb18 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -1171,11 +1171,9 @@
 
 AUTOCOMMANDS
 
-Two autocommand events are used: |CmdwinEnter| and |CmdwinLeave|.  Since this
-window is of a special type, the WinEnter, WinLeave, BufEnter and BufLeave
-events are not triggered.  You can use the Cmdwin events to do settings
-specifically for the command-line window.  Be careful not to cause side
-effects!
+Two autocommand events are used: |CmdwinEnter| and |CmdwinLeave|.  You can use
+the Cmdwin events to do settings specifically for the command-line window.
+Be careful not to cause side effects!
 Example: >
 	:au CmdwinEnter :  let b:cpt_save = &cpt | set cpt=.
 	:au CmdwinLeave :  let &cpt = b:cpt_save