runtime(doc): clarify bracketed paste mode

related: #13398

Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.0.  Last change: 2023 Oct 14
+*options.txt*	For Vim version 9.0.  Last change: 2023 Oct 23
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1971,6 +1971,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 	'delcombine'	+ off		unicode: delete whole char combination
 	'digraph'	+ off		no digraphs
 	'esckeys'	& off		no <Esc>-keys in Insert mode
+					this also disables |modifyOtherKeys|
+					and |xterm-bracketed-paste|
 	'expandtab'	+ off		tabs not expanded to spaces
 	'fileformats'	& ""		no automatic file format detection,
 			  "dos,unix"	except for MS-Windows
@@ -3215,9 +3217,9 @@ A jump table for the options with a short description can be found at |Q_op|.
 	won't work by default.
 	NOTE: This option is set to the Vi default value when 'compatible' is
 	set and to the Vim default value when 'compatible' is reset.
-	NOTE: when this option is off then the |modifyOtherKeys| functionality
-	is disabled while in Insert mode to avoid ending Insert mode with any
-	key that has a modifier.
+	NOTE: when this option is off then the |modifyOtherKeys| and
+	|xterm-bracketed-paste| functionality is disabled while in Insert mode
+	to avoid ending Insert mode with any key that has a modifier.
 
 						*'eventignore'* *'ei'*
 'eventignore' 'ei'	string	(default "")

runtime/doc/term.txt

@@ -1,4 +1,4 @@
-*term.txt*      For Vim version 9.0.  Last change: 2023 Jan 15
+*term.txt*      For Vim version 9.0.  Last change: 2023 Oct 25
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -104,6 +104,11 @@ pasted text.  This way Vim can separate text that is pasted from characters
 that are typed.  The pasted text is handled like when the middle mouse button
 is used, it is inserted literally and not interpreted as commands.
 
+Please note: while bracketed paste is trying to prevent nasty side-effects
+from pasting (like the CTRL-C or <ESC> key), it's not a guaranteed security
+measure because different terminals may implement this mode slightly
+differently.  You should still be careful with what you paste into Vim.
+
 When the cursor is in the first column, the pasted text will be inserted
 before it.  Otherwise the pasted text is appended after the cursor position.
 This means one cannot paste after the first column.  Unfortunately Vim does
@@ -122,6 +127,9 @@ If |t_PS| or |t_PE| is not set, then |t_BE| will not be used.  This is to make
 sure that bracketed paste is not enabled when the escape codes surrounding
 pasted text cannot be recognized.
 
+Note: bracketed paste mode will be disabled, when the 'esckeys' option is not
+set (also when the 'compatible' option is set).
+
 If your terminal supports bracketed paste, but the options are not set
 automatically, you can try using something like this: >