doc: Removed t_XX options/keycodes. (#6616)

Closes #4482

TODO: revisit find_key_option_len()

1 files changed, 6 insertions, 147 deletions

diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 7f4ede4124..9c0f1cd989 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -4636,8 +4636,7 @@ mentioned for the default values. See |:verbose-cmd| for more information.
 					*highlight-args* *E416* *E417* *E423*
 There are three types of terminals for highlighting:
 term	a normal terminal (vt100, xterm)
-cterm	a color terminal (Windows console, color-xterm, these have the "Co"
-	termcap entry)
+cterm	a color terminal (Windows console, color-xterm)
 gui	the GUI
 
 For each type the highlighting can be given.  This makes it possible to use
@@ -4677,21 +4676,12 @@ stop={term-list}				*term-list* *highlight-stop*
 	highlighted area.  This should undo the "start" argument.
 	Otherwise the screen will look messed up.
 
-	The {term-list} can have two forms:
-
-	1. A string with escape sequences.
-	   This is any string of characters, except that it can't start with
-	   "t_" and blanks are not allowed.  The <> notation is recognized
-	   here, so you can use things like "<Esc>" and "<Space>".  Example:
+        {term-list} is a a string with escape sequences. This is any string of
+        characters, except that it can't start with "t_" and blanks are not
+        allowed.  The <> notation is recognized here, so you can use things
+        like "<Esc>" and "<Space>".  Example:
 		start=<Esc>[27h;<Esc>[<Space>r;
 
-	2. A list of terminal codes.
-	   Each terminal code has the form "t_xx", where "xx" is the name of
-	   the termcap entry.  The codes have to be separated with commas.
-	   White space is not allowed.	Example:
-		start=t_C1,t_BL
-	   The terminal codes must exist for this to work.
-
 
 2. highlight arguments for color terminals
 
@@ -4716,7 +4706,7 @@ ctermbg={color-nr}				*highlight-ctermbg*
 	unpredictable.	See your xterm documentation for the defaults.	The
 	colors for a color-xterm can be changed from the .Xdefaults file.
 	Unfortunately this means that it's not possible to get the same colors
-	for each user.	See |xterm-color| for info about color xterms.
+	for each user.
 
 	The MSDOS standard colors are fixed (in a console window), so these
 	have been used for the names.  But the meaning of color names in X11
@@ -5209,32 +5199,6 @@ When splitting the window, the new window will use the original syntax.
 ==============================================================================
 17. Color xterms				*xterm-color* *color-xterm*
 
-Most color xterms have only eight colors.  If you don't get colors with the
-default setup, it should work with these lines in your vimrc: >
-   :if &term =~ "xterm"
-   :  if has("terminfo")
-   :	set t_Co=8
-   :	set t_Sf=<Esc>[3%p1%dm
-   :	set t_Sb=<Esc>[4%p1%dm
-   :  else
-   :	set t_Co=8
-   :	set t_Sf=<Esc>[3%dm
-   :	set t_Sb=<Esc>[4%dm
-   :  endif
-   :endif
-<	[<Esc> is a real escape, type CTRL-V <Esc>]
-
-You might want to change the first "if" to match the name of your terminal,
-e.g. "dtterm" instead of "xterm".
-
-Note: Do these settings BEFORE doing ":syntax on".  Otherwise the colors may
-be wrong.
-							*xiterm* *rxvt*
-The above settings have been mentioned to work for xiterm and rxvt too.
-But for using 16 colors in an rxvt these should work with terminfo: >
-	:set t_AB=<Esc>[%?%p1%{8}%<%t25;%p1%{40}%+%e5;%p1%{32}%+%;%dm
-	:set t_AF=<Esc>[%?%p1%{8}%<%t22;%p1%{30}%+%e1;%p1%{22}%+%;%dm
-<
 							*colortest.vim*
 To test your color setup, a file has been included in the Vim distribution.
 To use it, execute this command: >
@@ -5245,111 +5209,6 @@ output lighter foreground colors, even though the number of colors is defined
 at 8.  Therefore Vim sets the "cterm=bold" attribute for light foreground
 colors, when 't_Co' is 8.
 
-							*xfree-xterm*
-To get 16 colors or more, get the newest xterm version (which should be
-included with XFree86 3.3 and later).  You can also find the latest version
-at: >
-	http://invisible-island.net/xterm/xterm.html
-Here is a good way to configure it.  This uses 88 colors and enables the
-termcap-query feature, which allows Vim to ask the xterm how many colors it
-supports. >
-	./configure --disable-bold-color --enable-88-color --enable-tcap-query
-If you only get 8 colors, check the xterm compilation settings.
-(Also see |UTF8-xterm| for using this xterm with UTF-8 character encoding).
-
-This xterm should work with these lines in your vimrc (for 16 colors): >
-   :if has("terminfo")
-   :  set t_Co=16
-   :  set t_AB=<Esc>[%?%p1%{8}%<%t%p1%{40}%+%e%p1%{92}%+%;%dm
-   :  set t_AF=<Esc>[%?%p1%{8}%<%t%p1%{30}%+%e%p1%{82}%+%;%dm
-   :else
-   :  set t_Co=16
-   :  set t_Sf=<Esc>[3%dm
-   :  set t_Sb=<Esc>[4%dm
-   :endif
-<	[<Esc> is a real escape, type CTRL-V <Esc>]
-
-Without |+terminfo|, Vim will recognize these settings, and automatically
-translate cterm colors of 8 and above to "<Esc>[9%dm" and "<Esc>[10%dm".
-Colors above 16 are also translated automatically.
-
-For 256 colors this has been reported to work: >
-
-   :set t_AB=<Esc>[48;5;%dm
-   :set t_AF=<Esc>[38;5;%dm
-
-Or just set the TERM environment variable to "xterm-color" or "xterm-16color"
-and try if that works.
-
-You probably want to use these X resources (in your ~/.Xdefaults file):
-	XTerm*color0:			#000000
-	XTerm*color1:			#c00000
-	XTerm*color2:			#008000
-	XTerm*color3:			#808000
-	XTerm*color4:			#0000c0
-	XTerm*color5:			#c000c0
-	XTerm*color6:			#008080
-	XTerm*color7:			#c0c0c0
-	XTerm*color8:			#808080
-	XTerm*color9:			#ff6060
-	XTerm*color10:			#00ff00
-	XTerm*color11:			#ffff00
-	XTerm*color12:			#8080ff
-	XTerm*color13:			#ff40ff
-	XTerm*color14:			#00ffff
-	XTerm*color15:			#ffffff
-	Xterm*cursorColor:		Black
-
-[Note: The cursorColor is required to work around a bug, which changes the
-cursor color to the color of the last drawn text.  This has been fixed by a
-newer version of xterm, but not everybody is using it yet.]
-
-To get these right away, reload the .Xdefaults file to the X Option database
-Manager (you only need to do this when you just changed the .Xdefaults file): >
-  xrdb -merge ~/.Xdefaults
-<
-					*xterm-blink* *xterm-blinking-cursor*
-To make the cursor blink in an xterm, see tools/blink.c.  Or use Thomas
-Dickey's xterm above patchlevel 107 (see above for where to get it), with
-these resources:
-	XTerm*cursorBlink:	on
-	XTerm*cursorOnTime:	400
-	XTerm*cursorOffTime:	250
-	XTerm*cursorColor:	White
-
-							*hpterm-color*
-These settings work (more or less) for an hpterm, which only supports 8
-foreground colors: >
-   :if has("terminfo")
-   :  set t_Co=8
-   :  set t_Sf=<Esc>[&v%p1%dS
-   :  set t_Sb=<Esc>[&v7S
-   :else
-   :  set t_Co=8
-   :  set t_Sf=<Esc>[&v%dS
-   :  set t_Sb=<Esc>[&v7S
-   :endif
-<	[<Esc> is a real escape, type CTRL-V <Esc>]
-
-						*Eterm* *enlightened-terminal*
-These settings have been reported to work for the Enlightened terminal
-emulator, or Eterm.  They might work for all xterm-like terminals that use the
-bold attribute to get bright colors.  Add an ":if" like above when needed. >
-       :set t_Co=16
-       :set t_AF=^[[%?%p1%{8}%<%t3%p1%d%e%p1%{22}%+%d;1%;m
-       :set t_AB=^[[%?%p1%{8}%<%t4%p1%d%e%p1%{32}%+%d;1%;m
-<
-						*TTpro-telnet*
-These settings should work for TTpro telnet.  Tera Term Pro is a freeware /
-open-source program for MS-Windows. >
-	set t_Co=16
-	set t_AB=^[[%?%p1%{8}%<%t%p1%{40}%+%e%p1%{32}%+5;%;%dm
-	set t_AF=^[[%?%p1%{8}%<%t%p1%{30}%+%e%p1%{22}%+1;%;%dm
-Also make sure TTpro's Setup / Window / Full Color is enabled, and make sure
-that Setup / Font / Enable Bold is NOT enabled.
-(info provided by John Love-Jensen <eljay@Adobe.COM>)
-
-
 ==============================================================================
 18. When syntax is slow						*:syntime*