diff --git a/lib/chibi/monad/environment.sld b/lib/chibi/monad/environment.sld
index d8674453..9fe2e5f1 100644
--- a/lib/chibi/monad/environment.sld
+++ b/lib/chibi/monad/environment.sld
@@ -2,4 +2,7 @@
 (define-library (chibi monad environment)
   (export define-environment-monad)
   (import (scheme base))
+  (cond-expand
+   (chibi (import (only (chibi) syntax-quote)))
+   (else (begin (define-syntax syntax-quote (syntax-rules ((_ x) 'x))))))
   (include "environment.scm"))
diff --git a/lib/srfi/159.sld b/lib/srfi/159.sld
index 44a763d9..1d173322 100644
--- a/lib/srfi/159.sld
+++ b/lib/srfi/159.sld
@@ -5,7 +5,7 @@
   (export
    ;; base
    show fn forked with with! each each-in-list call-with-output
-   displayed written written-simply pretty pretty-simply
+   displayed written written-simply
    numeric numeric/comma numeric/si numeric/fitted
    nothing nl fl space-to tab-to escaped maybe-escaped
    padded padded/right padded/both
@@ -18,7 +18,7 @@
    tabular columnar show-columns wrapped wrapped/list wrapped/char
    justified line-numbers from-file
    ;; unicode
-   as-unicode unicode-terminal-width
+   as-unicode
    ;; color
    as-red as-blue as-green as-cyan as-yellow
    as-magenta as-white as-black
diff --git a/lib/srfi/159/base.scm b/lib/srfi/159/base.scm
index 091d25b1..30e39b6a 100644
--- a/lib/srfi/159/base.scm
+++ b/lib/srfi/159/base.scm
@@ -46,6 +46,13 @@
         (end (if (and (pair? o) (pair? (cdr o))) (cadr o) (string-length str))))
     (- end start)))
 
+(define (call-with-output-string proc)
+  (let ((out (open-output-string)))
+    (proc out)
+    (let ((res (get-output-string out)))
+      (close-output-port out)
+      res)))
+
 ;; Raw output.  All primitive output should go through this operation.
 ;; Overridable, defaulting to output-default.
 (define (output str)
@@ -127,13 +134,13 @@
 ;;> Raw output - displays str to the formatter output port and updates
 ;;> row and col.
 (define (output-default str)
-  (fn (port row col string-width)
-    (display str port)
-    (let ((nl-index (string-find-right str #\newline)))
+  (fn (port (r row) (c col) string-width)
+    (let ((nl-index (string-index-right str #\newline)))
+      (write-string str port)
       (if (string-cursor>? nl-index (string-cursor-start str))
-          (with! (row (+ row (string-count str #\newline)))
+          (with! (row (+ r (string-count str (lambda (ch) (eqv? ch #\newline)))))
                  (col (string-width str (string-cursor->index str nl-index))))
-          (with! (col (+ col (string-width str))))))))
+          (with! (col (+ c (string-width str))))))))
 
 ;;> Captures the output of \var{producer} and formats the result with
 ;;> \var{consumer}.
diff --git a/lib/srfi/159/base.sld b/lib/srfi/159/base.sld
index d5677ee2..fbf02a73 100644
--- a/lib/srfi/159/base.sld
+++ b/lib/srfi/159/base.sld
@@ -1,11 +1,17 @@
 
 (define-library (srfi 159 base)
   (export
-   show fn forked with with! each each-in-list call-with-output
-   displayed written written-shared written-simply numeric nothing
-   escaped maybe-escaped numeric/si numeric/fitted numeric/comma)
+   show displayed written written-shared written-simply
+   escaped maybe-escaped
+   numeric numeric/comma numeric/si numeric/fitted
+   nl fl space-to tab-to nothing each each-in-list
+   joined joined/prefix joined/suffix joined/last joined/dot
+   joined/range padded padded/right padded/both
+   trimmed trimmed/right trimmed/both trimmed/lazy
+   fitted fitted/right fitted/both output-default
+   fn with with! forked call-with-output)
   (import (scheme base) (scheme write) (scheme complex) (scheme inexact)
-          (srfi 1) (srfi 69) (chibi string) (chibi monad environment)
+          (srfi 1) (srfi 69) (srfi 130) (chibi monad environment)
           (chibi show shared))
   (cond-expand
    (chibi
@@ -25,5 +31,6 @@
              (let-optionals* tmp2 rest . body)))
           ((let-optionals* tmp tail . body)
            (let ((tail tmp)) . body)))))))
-  (include "../166/base.scm")
+  (include "base.scm")
+  (include "../166/show.scm")
   (include "../166/write.scm"))
diff --git a/lib/srfi/159/unicode.sld b/lib/srfi/159/unicode.sld
index fec02052..62f75fa9 100644
--- a/lib/srfi/159/unicode.sld
+++ b/lib/srfi/159/unicode.sld
@@ -5,5 +5,5 @@
           (chibi show base)
           (srfi 130)
           (srfi 151))
-  (export as-unicode unicode-terminal-width)
+  (export (rename terminal-aware as-unicode))
   (include "../166/width.scm" "../166/unicode.scm"))