diff --git a/format.scm b/format.scm
new file mode 100644
index 0000000..bcafeb2
--- /dev/null
+++ b/format.scm
@@ -0,0 +1,117 @@
+(module format (terminal-code-reset terminal-code-bold terminal-code-fg-red)
+  (import scheme)
+  (import (chicken base))
+  (import matchable)
+
+  (define (terminal-code str)
+    (string-append "\u001b[" str "m"))
+
+  (define terminal-code-reset
+    (terminal-code "0"))
+
+  (define terminal-code-bold
+    (terminal-code "1"))
+
+  (define terminal-code-fg-black
+    (terminal-code "30"))
+
+  (define terminal-code-fg-red
+    (terminal-code "31"))
+
+  (define terminal-code-fg-green
+    (terminal-code "32"))
+
+  (define terminal-code-fg-yellow
+    (terminal-code "33"))
+
+  (define terminal-code-fg-blue
+    (terminal-code "34"))
+
+  (define terminal-code-fg-magenta
+    (terminal-code "35"))
+
+  (define terminal-code-fg-cyan
+    (terminal-code "36"))
+
+  (define terminal-code-fg-white
+    (terminal-code "37"))
+
+  (define terminal-code-fg-bright-black
+    (terminal-code "30;1"))
+
+  (define terminal-code-fg-bright-red
+    (terminal-code "31;1"))
+
+  (define terminal-code-fg-bright-green
+    (terminal-code "32;1"))
+
+  (define terminal-code-fg-bright-yellow
+    (terminal-code "33;1"))
+
+  (define terminal-code-fg-bright-blue
+    (terminal-code "34;1"))
+
+  (define terminal-code-fg-bright-magenta
+    (terminal-code "35;1"))
+
+  (define terminal-code-fg-bright-cyan
+    (terminal-code "36;1"))
+
+  (define terminal-code-fg-bright-white
+    (terminal-code "37;1"))
+
+  (define terminal-code-bg-black
+    (terminal-code "40"))
+
+  (define terminal-code-bg-red
+    (terminal-code "41"))
+
+  (define terminal-code-bg-green
+    (terminal-code "42"))
+
+  (define terminal-code-bg-yellow
+    (terminal-code "43"))
+
+  (define terminal-code-bg-blue
+    (terminal-code "44"))
+
+  (define terminal-code-bg-magenta
+    (terminal-code "45"))
+
+  (define terminal-code-bg-cyan
+    (terminal-code "46"))
+
+  (define terminal-code-bg-white
+    (terminal-code "47"))
+
+  (define terminal-code-bg-bright-black
+    (terminal-code "40;1"))
+
+  (define terminal-code-bg-bright-red
+    (terminal-code "41;1"))
+
+  (define terminal-code-bg-bright-green
+    (terminal-code "42;1"))
+
+  (define terminal-code-bg-bright-yellow
+    (terminal-code "43;1"))
+
+  (define terminal-code-bg-bright-blue
+    (terminal-code "44;1"))
+
+  (define terminal-code-bg-bright-magenta
+    (terminal-code "45;1"))
+
+  (define terminal-code-bg-bright-cyan
+    (terminal-code "46;1"))
+
+  (define terminal-code-bg-bright-white
+    (terminal-code "47;1"))
+
+  (define (format str)
+    (let loop (input result state)
+      (if (null? input)
+	  (list->string (reverse result))
+	  (match (cons (car input) state)
+	    ((#\< . 'text) (loop (cdr input) result 'enter-tag))
+	    ((#\b . 'enter-tag) (loop (cdr input)
diff --git a/test-breadline.scm b/test-breadline.scm
new file mode 100644
index 0000000..a0179b4
--- /dev/null
+++ b/test-breadline.scm
@@ -0,0 +1,13 @@
+(import breadline)
+(import fmt)
+(import fmt-color)
+
+(let loop ()
+  (let ((input (readline (fmt #f (fmt-bold (fmt-magenta "> "))))))
+    (if input
+	(begin
+	  (display input)
+	  (newline)
+	  (add-history! input)
+	  (loop))
+	(newline))))
diff --git a/test-fmt.scm b/test-fmt.scm
new file mode 100644
index 0000000..065ab5b
--- /dev/null
+++ b/test-fmt.scm
@@ -0,0 +1,5 @@
+(import fmt)
+(import fmt-color)
+
+(fmt #t (dsp (wrap-lines "The fairy soldiers wore uniforms patterned in " (fmt-bold (fmt-green "green")) " and " (fmt-bold (fmt-red "red")) " checkerboard patterns and carried large halberds inlaid with " (fmt-bold "silver") " and " (fmt-yellow "gold") ".")))
+
diff --git a/world.scm b/world.scm
index 84148ea..7bd7fb9 100644
--- a/world.scm
+++ b/world.scm
@@ -6,8 +6,8 @@
 
 (module world (adventure create-object move-object add-alias set-hidden toggle-fixed set-enter-message set-destination get-container print-room-description)
   (import scheme)
-  (import chicken.base)
-  (import chicken.file)
+  (import (chicken base))
+  (import (chicken file))
   (import srfi-1)
   (import matchable)
   (import fmt)