+SGML2DVI = db2dvi
+SGML2HTML = db2html
+SGML2INFO = db2info
+SGML2RTF = db2rtf
+
+SGMLSTYLESHEET = $(FPTOOLS_TOP_ABS)/docs/fptools-both.dsl
+
+SRC_SGML2DVI_OPTS = -d $(SGMLSTYLESHEET)
+SRC_SGML2HTML_OPTS = -d $(SGMLSTYLESHEET)
+SRC_SGML2INFO_OPTS = -d $(SGMLSTYLESHEET)
+SRC_SGML2RTF_OPTS = -d $(SGMLSTYLESHEET)