Oops, I forgot an instance of "pt-driver" in the documentation.
Consider the following squashed-in too:
diff --git a/doc/automake.texi b/doc/automake.texi
index 0e2fb9b..359e1d5 100644
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -2931,7 +2931,7 @@ Automake will look for various helper scripts, such as
@file{missing},
@file{mkinstalldirs},
@file{py-compile},
-@file{pt-driver},
+@file{test-driver},
@file{texinfo.tex},
@file{ylwrap}.)
Not all scripts are always searched for; some scripts
Regards,
Stefano
