--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 8.2.  Last change: 2019 Dec 06
+*options.txt*	For Vim version 8.2.  Last change: 2019 Dec 17
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -709,7 +709,7 @@ A jump table for the options with a shor
 	(or Vim is run inside an xterm invoked with "-cjkwidth" option.),
 	this option should be set to "double" to match the width perceived
 	by Vim with the width of glyphs in the font.  Perhaps it also has
-	to be set to "double" under CJK Windows 9x/ME or Windows 2k/XP
+	to be set to "double" under CJK MS-Windows 2k/XP
 	when the system locale is set to one of CJK locales.  See Unicode
 	Standard Annex #11 (http://www.unicode.org/reports/tr11).
 
@@ -876,7 +876,7 @@ A jump table for the options with a shor
 	putting a ":gui" command in the .gvimrc file, before where the value
 	of 'background' is used (e.g., before ":syntax on").
 
-	For MS-DOS, Windows and OS/2 the default is "dark".
+	For MS-Windows the default is "dark".
 	For other systems "dark" is used when 'term' is "linux",
 	"screen.linux", "cygwin" or "putty", or $COLORFGBG suggests a dark
 	background.  Otherwise the default is "light".
@@ -1770,7 +1770,7 @@ A jump table for the options with a shor
 	'esckeys'	& off		no <Esc>-keys in Insert mode
 	'expandtab'	+ off		tabs not expanded to spaces
 	'fileformats'	& ""		no automatic file format detection,
-			  "dos,unix"	except for DOS, Windows and OS/2
+			  "dos,unix"	except for MS-Windows
 	'formatexpr'	+ ""		use 'formatprg' for auto-formatting
 	'formatoptions'	& "vt"		Vi compatible formatting
 	'gdefault'	+ off		no default 'g' flag for ":s"
@@ -1882,9 +1882,9 @@ A jump table for the options with a shor
 	When this option is set it overrules 'shellslash' for completion:
 	- When this option is set to "slash", a forward slash is used for path
 	  completion in insert mode. This is useful when editing HTML tag, or
-	  Makefile with 'noshellslash' on Windows.
+	  Makefile with 'noshellslash' on MS-Windows.
 	- When this option is set to "backslash", backslash is used. This is
-	  useful when editing a batch file with 'shellslash' set on Windows.
+	  useful when editing a batch file with 'shellslash' set on MS-Windows.
 	- When this option is empty, same character is used as for
 	  'shellslash'.
 	For Insert mode completion the buffer-local value is used.  For
@@ -4442,7 +4442,7 @@ A jump table for the options with a shor
 	NOTE: This option is reset when 'compatible' is set.
 
 						*'isfname'* *'isf'*
-'isfname' 'isf'		string	(default for MS-DOS, Win32 and OS/2:
+'isfname' 'isf'		string	(default for Win32:
 			     "@,48-57,/,\,.,-,_,+,,,#,$,%,{,},[,],:,@-@,!,~,="
 			    for AMIGA: "@,48-57,/,.,-,_,+,,,$,:"
 			    for VMS: "@,48-57,/,.,-,_,+,,,#,$,%,<,>,[,],:,;,~"
@@ -4496,7 +4496,7 @@ A jump table for the options with a shor
 	See |option-backslash| about including spaces and backslashes.
 
 						*'isident'* *'isi'*
-'isident' 'isi'		string	(default for MS-DOS, Win32 and OS/2:
+'isident' 'isi'		string	(default for Win32:
 					   "@,48-57,_,128-167,224-235"
 				otherwise: "@,48-57,_,192-255")
 			global
@@ -4510,7 +4510,7 @@ A jump table for the options with a shor
 	expand "$HOME/.viminfo".  Maybe you should change 'iskeyword' instead.
 
 						*'iskeyword'* *'isk'*
-'iskeyword' 'isk'	string (Vim default for MS-DOS and Win32:
+'iskeyword' 'isk'	string (Vim default for Win32:
 					    "@,48-57,_,128-167,224-235"
 				   otherwise:  "@,48-57,_,192-255"
 				Vi default: "@,48-57,_")
@@ -4530,7 +4530,7 @@ A jump table for the options with a shor
 	set and to the Vim default value when 'compatible' is reset.
 
 						*'isprint'* *'isp'*
-'isprint' 'isp'	string	(default for MS-DOS, Win32, OS/2 and Macintosh:
+'isprint' 'isp'	string	(default for Win32 and Macintosh:
 				"@,~-255"; otherwise: "@,161-255")
 			global
 	The characters given by this option are displayed directly on the
@@ -5484,7 +5484,7 @@ A jump table for the options with a shor
 			    *'opendevice'* *'odev'* *'noopendevice'* *'noodev'*
 'opendevice' 'odev'	boolean	(default off)
 			global
-			{only for MS-DOS, MS-Windows and OS/2}
+			{only for MS-Windows}
 	Enable reading and writing from devices.  This may get Vim stuck on a
 	device that can be opened but doesn't actually do the I/O.  Therefore
 	it is off by default.
@@ -5616,7 +5616,6 @@ A jump table for the options with a shor
 
 				*'path'* *'pa'* *E343* *E345* *E347* *E854*
 'path' 'pa'		string	(default on Unix: ".,/usr/include,,"
-				   on OS/2:	  ".,/emx/include,,"
 				   other systems: ".,,")
 			global or local to buffer |global-local|
 	This is a list of directories which will be searched when using the
@@ -6195,7 +6194,7 @@ A jump table for the options with a shor
 						$VIMRUNTIME,
 						$VIM/vimfiles/after,
 						home:vimfiles/after"
-					PC, OS/2: "$HOME/vimfiles,
+					PC:    "$HOME/vimfiles,
 						$VIM/vimfiles,
 						$VIMRUNTIME,
 						$VIM/vimfiles/after,
@@ -6465,7 +6464,7 @@ A jump table for the options with a shor
 						*'shell'* *'sh'* *E91*
 'shell' 'sh'		string	(default $SHELL or "sh",
 					MS-DOS and Win32: "command.com" or
-					"cmd.exe", OS/2: "cmd")
+					"cmd.exe")
 			global
 	Name of the shell to use for ! and :! commands.  When changing the
 	value also check these options: 'shelltype', 'shellpipe', 'shellslash'
@@ -6592,7 +6591,7 @@ A jump table for the options with a shor
 			*'shellslash'* *'ssl'* *'noshellslash'* *'nossl'*
 'shellslash' 'ssl'	boolean	(default off)
 			global
-			{only for MSDOS, MS-Windows and OS/2}
+			{only for MS-Windows}
 	When set, a forward slash is used when expanding file names.  This is
 	useful when a Unix-like shell is used instead of command.com or
 	cmd.exe.  Backward slashes can still be typed, but they are changed to
@@ -7668,7 +7667,6 @@ A jump table for the options with a shor
 					  on Mac: "mac-ansi"
 					 on MiNT: "vt52"
 				       on MS-DOS: "pcterm"
-					 on OS/2: "os2ansi"
 					 on Unix: "ansi"
 					  on VMS: "ansi"
 				       on Win 32: "win32")
@@ -7827,7 +7825,7 @@ A jump table for the options with a shor
 	set and to the Vim default value when 'compatible' is reset.
 
 				   *'textmode'* *'tx'* *'notextmode'* *'notx'*
-'textmode' 'tx'		boolean	(MS-DOS, Win32 and OS/2: default on,
+'textmode' 'tx'		boolean	(Win32: default on,
 				 others: default off)
 			local to buffer
 	This option is obsolete.  Use 'fileformat'.
@@ -8215,8 +8213,7 @@ A jump table for the options with a shor
 	NOTE: This option is reset when 'compatible' is set.
 
 						*'undolevels'* *'ul'*
-'undolevels' 'ul'	number	(default 100, 1000 for Unix, VMS,
-						Win32 and OS/2)
+'undolevels' 'ul'	number	(default 100, 1000 for Unix, VMS, Win32)
 			global or local to buffer |global-local|
 	Maximum number of changes that can be undone.  Since undo information
 	is kept in memory, higher numbers will cause more memory to be used.
@@ -8343,7 +8340,7 @@ A jump table for the options with a shor
 	displayed when 'verbosefile' is set.
 
 						*'viewdir'* *'vdir'*
-'viewdir' 'vdir'	string	(default for Amiga, MS-DOS, OS/2 and Win32:
+'viewdir' 'vdir'	string	(default for Amiga and Win32:
 							 "$VIM/vimfiles/view",
 				 for Unix: "~/.vim/view",
 				 for Macintosh: "$VIM:vimfiles:view"
@@ -8373,16 +8370,16 @@ A jump table for the options with a shor
 	   slash	backslashes in file names replaced with forward
 			slashes
 	   unix		with Unix end-of-line format (single <NL>), even when
-			on Windows or DOS
+			on MS-Windows
 	   curdir	the window-local directory, if set with `:lcd`
 
-	"slash" and "unix" are useful on Windows when sharing view files
+	"slash" and "unix" are useful on MS-Windows when sharing view files
 	with Unix.  The Unix version of Vim cannot source dos format scripts,
-	but the Windows version of Vim can source unix format scripts.
+	but the MS-Windows version of Vim can source unix format scripts.
 
 				*'viminfo'* *'vi'* *E526* *E527* *E528*
-'viminfo' 'vi'		string	(Vi default: "", Vim default for MS-DOS,
-				   Windows and OS/2: '100,<50,s10,h,rA:,rB:,
+'viminfo' 'vi'		string	(Vi default: "", Vim default for
+				   MS-Windows: '100,<50,s10,h,rA:,rB:,
 				   for Amiga: '100,<50,s10,h,rdf0:,rdf1:,rdf2:
 				   for others: '100,<50,s10,h)
 			global