=== modified file 'bzrlib/doc_generate/autodoc_rstx.py'
--- a/bzrlib/doc_generate/autodoc_rstx.py	2015-11-08 13:17:12 +0000
+++ b/bzrlib/doc_generate/autodoc_rstx.py	2015-11-15 02:25:56 +0000
@@ -131,7 +131,7 @@
     topic_id = "%s-%s" % (topic, "help")
     filename = bzrlib.osutils.pathjoin(output_dir, topic_id + ".txt")
     f =  open(filename, "w")
-    f.write(text)
+    f.write(text.encode('utf-8'))
     f.close()
     return topic_id
 

