+SGML2DVI = $(DOCBOOK_PREFIX)db2dvi
+SGML2HTML = $(DOCBOOK_PREFIX)db2html
+SGML2PS = $(DOCBOOK_PREFIX)db2ps
+SGML2PDF = $(DOCBOOK_PREFIX)db2pdf
+SGML2RTF = $(DOCBOOK_PREFIX)db2rtf
+
+SGMLSTYLESHEET = $(FPTOOLS_TOP_ABS)/docs/fptools-both.dsl
+
+SRC_SGML2DVI_OPTS = -d $(SGMLSTYLESHEET)
+SRC_SGML2HTML_OPTS = -d $(SGMLSTYLESHEET)
+SRC_SGML2PS_OPTS = -d $(SGMLSTYLESHEET)
+SRC_SGML2RTF_OPTS = -d $(SGMLSTYLESHEET)
+
+DOCBOOK_CATALOG = @Catalog@