diff --git a/manual/docbook/Makefile b/manual/docbook/Makefile
new file mode 100644
index 000000000..ffb6e2242
--- /dev/null
+++ b/manual/docbook/Makefile
@@ -0,0 +1,5 @@
+XSLSTYLE=/usr/share/sgml/docbook/xsl-stylesheets-1.70.1/xhtml/docbook.xsl
+%.html:  %.xml
+	xsltproc  --output  $@  $(XSLSTYLE)  $<
+
+html:  doctrine.html