6 files changed, 28 insertions, 12 deletions
diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index e7c7b0d71a..77015d35ee 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -422,8 +422,8 @@ BufUnload			Before unloading a buffer.  This is when the
 				NOTE: When this autocommand is executed, the
 				current buffer "%" may be different from the
 				buffer being unloaded "<afile>".
-				Don't change to another buffer, it will cause
-				problems.
+				Don't change to another buffer or window, it
+				will cause problems!
 				When exiting and v:dying is 2 or more this
 				event is not triggered.
 							*BufWinEnter*
@@ -794,7 +794,9 @@ QuickFixCmdPre			Before a quickfix command is run (|:make|,
 				|:vimgrepadd|, |:lvimgrepadd|, |:cscope|,
 				|:cfile|, |:cgetfile|, |:caddfile|, |:lfile|,
 				|:lgetfile|, |:laddfile|, |:helpgrep|,
-				|:lhelpgrep|).
+				|:lhelpgrep|, |:cexpr|, |:cgetexpr|,
+				|:caddexpr|, |:cbuffer|, |:cgetbuffer|,
+				|:caddbuffer|).
 				The pattern is matched against the command
 				being run.  When |:grep| is used but 'grepprg'
 				is set to "internal" it still matches "grep".
@@ -1086,6 +1088,9 @@ Note that for all systems the '/' character is used for path separator (even
 Windows). This was done because the backslash is difficult to use in a pattern
 and to make the autocommands portable across different systems.
 
+It is possible to use |pattern| items, but they may not work as expected,
+because of the translation done for the above.
+
 							*autocmd-changes*
 Matching with the pattern is done when an event is triggered.  Changing the
 buffer name in one of the autocommands, or even deleting the buffer, does not
@@ -1184,11 +1189,12 @@ name!
 				different from existing {event} names, as this
 				most likely will not do what you intended.
 
-						*:augroup-delete* *E367* *W19*
+					*:augroup-delete* *E367* *W19* *E936*
 :aug[roup]! {name}		Delete the autocmd group {name}.  Don't use
 				this if there is still an autocommand using
 				this group!  You will get a warning if doing
-				it anyway.
+				it anyway. when the group is the current group
+				you will get error E936.
 
 To enter autocommands for a specific group, use this method:
 1. Select the group with ":augroup {name}".
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index f35754e979..d65783cea0 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -107,7 +107,7 @@ To test for a non-empty string, use empty(): >
 							*non-zero-arg*
 Function arguments often behave slightly different from |TRUE|: If the
 argument is present and it evaluates to a non-zero Number, |v:true| or a
-non-empty String, then the value is considere to be TRUE.
+non-empty String, then the value is considered to be TRUE.
 Note that " " and "0" are also non-empty strings, thus cause the mode to be
 cleared.  A List, Dictionary or Float is not a Number or String, thus
 evaluates to FALSE.
diff --git a/runtime/doc/if_pyth.txt b/runtime/doc/if_pyth.txt
index 6321175420..8d6a3e1cfa 100644
--- a/runtime/doc/if_pyth.txt
+++ b/runtime/doc/if_pyth.txt
@@ -48,7 +48,11 @@ Example: >
 			print 'EAT ME'
 	EOF
 	endfunction
-<
+
+To see what version of Python you have: >
+	:python import sys
+	:python print(sys.version)
+
 Note: Python is very sensitive to the indenting.  Make sure the "class" line
 and "EOF" do not have any indent.
 
@@ -693,6 +697,10 @@ The `:py3` and `:python3` commands work similar to `:python`.  A simple check
 if the `:py3` command is working: >
 	:py3 print("Hello")
 <							*:py3file*
+To see what version of Python you have: >
+	:py3 import sys
+	:py3 print(sys.version)
+
 The `:py3file` command works similar to `:pyfile`.
 							*:py3do*
 The `:py3do` command works similar to `:pydo`.
diff --git a/runtime/doc/message.txt b/runtime/doc/message.txt
index 5c2dddc8b3..e619cfde30 100644
--- a/runtime/doc/message.txt
+++ b/runtime/doc/message.txt
@@ -39,6 +39,7 @@ back.
 Note: If the output has been stopped with "q" at the more prompt, it will only
 be displayed up to this point.
 The previous command output is cleared when another command produces output.
+The "g<" output is not redirected.
 
 If you want to find help on a specific (error) message, use the ID at the
 start of the message.  For example, to get help on the message: >
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 266ceb9136..7ca6612225 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -3920,10 +3920,11 @@ A jump table for the options with a short description can be found at |Q_op|.
 			global
 	Changes the special characters that can be used in search patterns.
 	See |pattern|.
-	NOTE: To avoid portability problems with using patterns, always keep
-	this option at the default "on".  Only switch it off when working with
-	old Vi scripts.  In any other situation write patterns that work when
-	'magic' is on.  Include "\M" when you want to |/\M|.
+	WARNING: Switching this option off most likely breaks plugins!  That
+	is because many patterns assume it's on and will fail when it's off.
+	Only switch it off when working with old Vi scripts.  In any other
+	situation write patterns that work when 'magic' is on.  Include "\M"
+	when you want to |/\M|.
 
 						*'makeef'* *'mef'*
 'makeef' 'mef'		string	(default: "")
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index cee13c9ee8..1a93a4504f 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -369,7 +369,7 @@ N  *+statusline*	Options 'statusline', 'rulerformat' and special
 			formats of 'titlestring' and 'iconstring'
 N  *+syntax*		Syntax highlighting |syntax|
 N  *+tablineat*		'tabline' option recognizing %@Func@ items.
-N  *+tag_binary*	binary searching in tags file |tag-binary-search|
+T  *+tag_binary*	binary searching in tags file |tag-binary-search|
 N  *+tag_old_static*	old method for static tags |tag-old-static|
 m  *+tag_any_white*	any white space allowed in tags file |tag-any-white|
 B  *+termguicolors*	24-bit color in xterm-compatible terminals support