diff --git a/ansi.rkt b/ansi.rkt
index 93da7a2..f2fb507 100644
--- a/ansi.rkt
+++ b/ansi.rkt
@@ -1,21 +1,43 @@
 #lang racket/base
-;; ANSI/VT10x escape sequences
-;; Based initially on http://en.wikipedia.org/wiki/ANSI_escape_code.
+;; ANSI/VT10x escape sequences.
 ;;
-;; This is also an excellent resource:
+;; Based initially on http://en.wikipedia.org/wiki/ANSI_escape_code,
+;; but it doesn't have very many definitions; this page, however, is
+;; comprehensive and excellent:
 ;; http://bjh21.me.uk/all-escapes/all-escapes.txt
 
+;; Doesn't cover the many interesting modes, which presumably
+;; contributed to cooked/raw distinction and which can also be used to
+;; configure various kinds of mouse ("locator") interaction etc.
+
 (provide (except-out (all-defined-out)
 		     CSI
+		     ST
+		     OSC
+		     define-variable-arity-escape-sequence
 		     define-escape-sequence))
 
 (define CSI "\033[")
+(define ST  "\033\\")
+(define OSC "\033]")
 
 (define-syntax-rule (define-escape-sequence (name arg ...) piece ...)
   (define (name arg ...)
     (let ((arg (number->string arg)) ...)
       (string-append piece ...))))
 
+(define-syntax-rule (define-variable-arity-escape-sequence (name args) piece ...)
+  (define (name . args)
+    (if (null? args)
+	(let ((args ""))
+	  (string-append piece ...))
+	(let ((args (string-append (number->string (car args))
+				   (foldr (lambda (n acc)
+					    (string-append ";" (number->string n) acc))
+					  ""
+					  (cdr args)))))
+	  (string-append piece ...)))))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Basic ANSI sequences
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -70,18 +92,87 @@
 (define-escape-sequence (next-page n) CSI n "U")
 (define-escape-sequence (previous-page n) CSI n "V")
 
-(define (select-graphic-rendition . parameters)
-  (if (null? parameters)
-      (string-append CSI "m")
-      (string-append CSI
-		     (number->string (car parameters))
-		     (foldr (lambda (n acc) (string-append ";" (number->string n) acc))
-			    "m"
-			    (cdr parameters)))))
+(define-variable-arity-escape-sequence (cursor-tabulation-control args) CSI args "W")
+
+(define-escape-sequence (erase-characters n) CSI n "X")
+
+(define-escape-sequence (cursor-line-tabulation n) CSI n "Y")
+(define-escape-sequence (cursor-backward-tabulation n) CSI n "Z")
+
+(define-escape-sequence (select-implicit-movement-direction n) CSI n "^")
+(define-escape-sequence (character-position-absolute n) CSI n "`")
+
+(define-escape-sequence (character-position-forward n) CSI n "a")
+(define-escape-sequence (ansi-repeat n) CSI n "b")
+
+(define-escape-sequence (device-attributes-request n) CSI n "c")
+;; See dec-device-attributes-response below.
+
+(define-escape-sequence (line-position-absolute n) CSI n "d")
+(define-escape-sequence (line-position-forward n) CSI n "e")
+(define-escape-sequence (character-and-line-position row column) CSI row ";" column "f")
+
+(define-escape-sequence (tabulation-clear-character-stop) CSI "0g")
+(define-escape-sequence (tabulation-clear-line-stop) CSI "1g")
+(define-escape-sequence (tabulation-clear-all-character-stops-on-this-line) CSI "2g")
+(define-escape-sequence (tabulation-clear-all-character-stops) CSI "3g")
+(define-escape-sequence (tabulation-clear-all-line-stops) CSI "4g")
+(define-escape-sequence (tabulation-clear-all-stops) CSI "5g")
+
+(define-variable-arity-escape-sequence (set-mode args) CSI args "h")
+
+(define-escape-sequence (character-position-backward n) CSI n "j")
+(define-escape-sequence (line-position-backward n) CSI n "k")
+
+(define-variable-arity-escape-sequence (reset-mode args) CSI args "l")
+
+(define-variable-arity-escape-sequence (select-graphic-rendition parameters) CSI parameters "m")
+
+(define-escape-sequence (device-status-report-reply-ready) CSI "0n")
+(define-escape-sequence (device-status-report-reply-busy-retry-later) CSI "1n")
+(define-escape-sequence (device-status-report-reply-busy-expect-answer-later) CSI "2n")
+(define-escape-sequence (device-status-report-problem-retry-later) CSI "3n")
+(define-escape-sequence (device-status-report-problem-expect-answer-later) CSI "4n")
+(define-escape-sequence (device-status-report-request) CSI "5n")
+(define-escape-sequence (position-report-request) CSI "6n")
+
+(define-variable-arity-escape-sequence (define-area-qualification args) CSI args "o")
+
+(define-escape-sequence (scroll-left n) CSI n " @")
+(define-escape-sequence (scroll-right n) CSI n " A")
+
+(define-escape-sequence (page-position-absolute n) CSI n " P")
+(define-escape-sequence (page-position-forward n) CSI n " Q")
+(define-escape-sequence (page-position-backward n) CSI n " R")
+
+(define-escape-sequence (select-presentation-directions orientation effect)
+  CSI orientation ";" effect " S")
+
+(define-escape-sequence (dimension-text-area rows columns) CSI rows ";" columns " T")
+(define-escape-sequence (set-line-home n) CSI n " U")
+(define-escape-sequence (set-line-limit n) CSI n " V")
+
+(define-escape-sequence (function-key n) CSI n " W")
+
+(define-escape-sequence (tabulation-aligned-trailing-edge n) CSI n " `")
+(define-escape-sequence (tabulation-aligned-leading-edge n) CSI n " a")
+(define-escape-sequence (tabulation-aligned-centred n) CSI n " b")
+(define-escape-sequence (tabulation-aligned-centred-on-character n ch) CSI n ";" ch " c")
+(define-escape-sequence (tabulation-stop-remove n) CSI n " d")
+
+;; n = count of 45 degree counterclockwise rotations from normal
+;; direction along character path.
+(define-escape-sequence (select-character-orientation n) CSI n " e")
+
+(define-escape-sequence (set-page-home n) CSI n " i")
+(define-escape-sequence (set-page-limit n) CSI n " j")
+
+(define-escape-sequence (select-character-path-LR/TB effect) CSI "1;" effect " k")
+(define-escape-sequence (select-character-path-RL/BT effect) CSI "2;" effect " k")
+
+;; SCO only? (define-escape-sequence (save-cursor-position) CSI "s")
+;; SCO only? (define-escape-sequence (restore-cursor-position) CSI "u")
 
-(define-escape-sequence (device-status-report) CSI "6n")
-(define-escape-sequence (save-cursor-position) CSI "s")
-(define-escape-sequence (restore-cursor-position) CSI "u")
 (define-escape-sequence (hide-cursor) CSI "?25l")
 (define-escape-sequence (show-cursor) CSI "?25h")
 
@@ -99,6 +190,38 @@
 (define-escape-sequence (dec-save-cursor) "\0337")
 (define-escape-sequence (dec-restore-cursor) "\0338")
 
+(define-escape-sequence (dec-set-margins top-row bottom-row) CSI top-row ";" bottom-row "r")
+
+;; dec-set-left-right-margins is apparently for VT400 and printers only:
+(define-escape-sequence (dec-set-left-right-margins left right) CSI left ";" right "s")
+
+(define-escape-sequence (dec-soft-terminal-reset) CSI "!p")
+
+(define-variable-arity-escape-sequence (dec-device-attributes-response args) CSI "?" args "c")
+
+;; VT400:
+(define-escape-sequence (dec-copy-rectangular-area top left bottom right page
+						   target-top target-left target-page)
+  CSI top ";" left ";" bottom ";" right ";" page ";" target-top ";" target-left ";" target-page
+  "$v")
+(define-escape-sequence (dec-fill-rectangular-area char-code top left bottom right page)
+  CSI char-code ";" top ";" left ";" bottom ";" right ";" page "$x")
+(define-escape-sequence (dec-erase-rectangular-area top left bottom right page)
+  CSI top ";" left ";" bottom ";" right ";" page "$z")
+(define-escape-sequence (dec-selective-erase-rectangular-area top left bottom right page)
+  CSI top ";" left ";" bottom ";" right ";" page "${")
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; xterm sequences
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define (xterm-set-icon-name-and-window-title text)
+  (string-append OSC "0;" text ST))
+(define (xterm-set-icon-name text)
+  (string-append OSC "1;" text ST))
+(define (xterm-set-window-title text)
+  (string-append OSC "2;" text ST))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Parameters for select-graphic-rendition
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -165,6 +288,46 @@
 (define color-cyan 6)
 (define color-white 7)
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Parameters for define-area-qualification
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define qualified-area-unprotected-and-unguarded 0)
+(define qualified-area-protected-and-guarded 1)
+(define qualified-area-graphic-input 2)
+(define qualified-area-numeric-input 3)
+(define qualified-area-alphabetic-input 4)
+(define qualified-area-right-aligned-input 5)
+(define qualified-area-zero-fill 6)
+(define qualified-area-tab-stop-field-start 7) ;; no idea what this does, sorry about the name
+(define qualified-area-protected-and-unguarded 8)
+(define qualified-area-space-fill 9)
+(define qualified-area-left-aligned-input 10)
+(define qualified-area-reversed-order 11)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Parameters for select-presentation-directions
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; direction-LINEORIENTATION-CHARACTERPATH-LINEPROGRESSION
+(define direction-horizontal-LR-TB 0)
+(define direction-vertical-TB-RL 1)
+(define direction-vertical-TB-LR 2)
+(define direction-horizontal-RL-TB 3)
+(define direction-vertical-BT-LR 4)
+(define direction-horizontal-RL-BT 5)
+(define direction-horizontal-LR-BT 6)
+(define direction-vertical-BT-RL 7)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Parameters for select-presentation-directions,
+;; select-character-path-LR/TB, and select-character-path-RL/BT
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define effect-undefined 0)
+(define effect-update-presentation-from-data 1)
+(define effect-update-data-from-presentation 2)
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Derived sequences
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;