commit 77b5e54d33a66445f45ddc48577d835207be8cef
Author: Stephen Dolan <stephen.dolan@cl.cam.ac.uk>
Date:   Fri Jun 12 19:34:51 2020 +0100

    Unbreak small example logic

diff --git a/examples/pprint/test_pprint.ml b/examples/pprint/test_pprint.ml
index 77789ef..44124e7 100644
--- a/examples/pprint/test_pprint.ml
+++ b/examples/pprint/test_pprint.ml
@@ -1,9 +1,9 @@
-open Crowbar
 open PPrint
+open Crowbar
 type t = (string * PPrint.document)
 let doc = fix (fun doc -> choose [
   const ("", empty);
-  const ("a", char 'a');
+  const ("a", PPrint.char 'a');
   const ("123", string "123");
   const ("Hello", string "Hello");
   const ("awordwhichisalittlebittoolong",