Supplemental rules to convert a .tex file to a .xml file. Both XML and

SGML will be supported soon, probably using an ESIS representation saved
in a temp file.

Doc/tools/sgmlconv/make.rules

+# -*- makefile -*-
+#
+# Extra magic needed by the LaTeX->SGML conversion process.  This requires
+# $(TOOLSDIR) to be properly defined.
+#
+# Note that docfixer.py outputs XML directly; this will be fixed before too
+# much longer.
+
+DOCFIXER=	$(TOOLSDIR)/sgmlconv/docfixer.py
+ESIS2SGML=	$(TOOLSDIR)/sgmlconv/esis2sgml.py
+ESIS2XML=	$(TOOLSDIR)/sgmlconv/esis2sgml.py --xml
+FIXGES=		$(TOOLSDIR)/sgmlconv/fixgenents.sh
+LATEX2ESIS=	$(TOOLSDIR)/sgmlconv/latex2esis.py
+
+CUTCRUFT=	grep -v '^<?xml version="1.0"?>$$'
+
+
+XMLTARGETS=	$(patsubst %.tex,%.xml,$(wildcard *.tex))
+
+.SUFFIXES: .tex .xml
+
+.tex.xml:
+	$(LATEX2ESIS) $< | $(DOCFIXER) | $(CUTCRUFT) | $(FIXGES) > $@
+
+
+all:	$(XMLTARGETS)
+
+
+$(XMLTARGETS): $(DOCFIXER) $(LATEX2ESIS) $(FIXGES)