--- ./configure.orig	2016-01-04 23:29:34.000000000 +0200
+++ ./configure	2016-02-06 13:05:10.936078000 +0200
@@ -15073,6 +15073,7 @@
       for pgac_postfix in \
         sgml/stylesheets/nwalsh-modular \
         sgml/stylesheets/docbook \
+        sgml/dsssl/docbook/modular/1.79/ \
         sgml/stylesheets/dsssl/docbook \
         sgml/docbook-dsssl \
         sgml/docbook/dsssl/modular \