diff --git a/pitfall/pitfall/test/out.bin b/pitfall/pitfall/test/out.bin
index 82c6a1c3..c240bdf4 100644
Binary files a/pitfall/pitfall/test/out.bin and b/pitfall/pitfall/test/out.bin differ
diff --git a/pitfall/pitfall/test/test15crkt.pdf b/pitfall/pitfall/test/test15crkt.pdf
index 325efa8b..1c8baef9 100644
Binary files a/pitfall/pitfall/test/test15crkt.pdf and b/pitfall/pitfall/test/test15crkt.pdf differ
diff --git a/pitfall/pitfall/test/test15rkt.pdf b/pitfall/pitfall/test/test15rkt.pdf
index 3158c592..c9de7814 100644
Binary files a/pitfall/pitfall/test/test15rkt.pdf and b/pitfall/pitfall/test/test15rkt.pdf differ
diff --git a/pitfall/pitfall/test/test16.coffee b/pitfall/pitfall/test/test16.coffee
new file mode 100644
index 00000000..afe4f259
--- /dev/null
+++ b/pitfall/pitfall/test/test16.coffee
@@ -0,0 +1,20 @@
+PDFDocument = require 'pdfkit'
+fs = require 'fs'
+
+make = (doc) -> 
+
+  # Register a font name for use later
+  doc.registerFont('the-font', 'assets/fira.ttf')
+
+  # Set the font, draw some text
+  doc.font('the-font')
+     .fontSize(100)
+     .text('fifl', 100, 100, {width: false})
+                 
+  doc.end()
+
+
+doc = new PDFDocument({compress: no})
+doc.pipe(fs.createWriteStream('test16.pdf'))
+make doc
+
diff --git a/pitfall/pitfall/test/test16.pdf b/pitfall/pitfall/test/test16.pdf
new file mode 100644
index 00000000..263e3abb
Binary files /dev/null and b/pitfall/pitfall/test/test16.pdf differ
diff --git a/pitfall/pitfall/test/test16.rkt b/pitfall/pitfall/test/test16.rkt
new file mode 100644
index 00000000..477a09c2
--- /dev/null
+++ b/pitfall/pitfall/test/test16.rkt
@@ -0,0 +1,22 @@
+#lang pitfall/pdftest
+
+;; test ligatures (GSUB parsing + substitution)
+
+(define-runtime-path ttf-path "assets/fira.ttf")
+
+(define (proc doc)
+  ;; Register a font name for use later
+  (send doc registerFont "the-font" (path->string ttf-path))
+
+  ;; Set the font, draw some text
+  (send* doc
+    [font "the-font"]
+    [fontSize 100]
+    [text "fifl" 100 100 (hash 'width #f)]))
+
+
+(define-runtime-path this "test16rkt.pdf")
+(make-doc this #f proc #:test #f)
+
+#;(define-runtime-path that "test16crkt.pdf")
+#;(make-doc that #t proc #:pdfkit #f)
\ No newline at end of file
diff --git a/pitfall/pitfall/test/test16rkt.pdf b/pitfall/pitfall/test/test16rkt.pdf
new file mode 100644
index 00000000..8f931191
Binary files /dev/null and b/pitfall/pitfall/test/test16rkt.pdf differ