xsl/caramel/concept2docbook.xsl: Minor warning tweak [SVN r21178]
@@ -1 +1 @@
-Subproject commit 234f68cdb81fd202a0c9ac55b5c5d93d552bdcc8
+Subproject commit 27d486eb6c5400af012bda43e2bdc03f22f9c60d