new file mode 100644
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+++ b/doc/interpreter/Makefile.in
@@ -0,0 +1,119 @@
+#
+# Makefile for octave's doc directory
+#
+# John W. Eaton
+# jwe@che.utexas.edu
+# Department of Chemical Engineering
+# The University of Texas at Austin
+
+TOPDIR = ..
+
+srcdir = @srcdir@
+VPATH = @srcdir@
+
+include $(TOPDIR)/Makeconf
+
+SOURCES =
+
+TEXINFO = ack.texi amuse.texi arith.texi bugs.texi bugs1.texi \
+	control.texi cp-idx.texi diffeq.texi expr.texi extend.texi \
+	fcn.texi fn-idx.texi gpl.texi help.texi history.texi \
+	hsuser.texi install.texi install1.texi intro.texi invoke.texi \
+	io.texi linalg.texi matrix.texi nonlin.texi octave.texi \
+	optim.texi plot.texi program.texi quad.texi rluser.texi \
+	signal.texi special.texi stats.texi stmt.texi strings.texi \
+	system.texi using.texi var.texi vr-idx.texi
+
+FORMATTED =  octave.dvi octave.ps octave.info-[0-9]*
+
+DISTFILES = Makefile.in $(TEXINFO) $(FORMATTED) texinfo.tex
+
+SPELL = $(patsubst %.texi, %.spell, $(TEXINFO))
+
+%.spell : %.texi
+	rm -f $@
+	sed -e 's/@@/ at /g' -e 's/@[a-zA-Z]*//g' $< | spell > $@.tmp
+	mv $@.tmp $@
+
+all: octave.info octave.dvi octave.ps
+.PHONY: all
+
+octave.info: $(TEXINFO)
+	-makeinfo -I$(srcdir) octave.texi
+
+octave.dvi: $(TEXINFO)
+	texi2dvi $(srcdir)/octave.texi
+
+octave.ps: octave.dvi
+	dvips -o octave.ps octave.dvi
+
+../INSTALL.OCTAVE: install1.texi install.texi
+	-makeinfo --no-header -I$(srcdir)/doc install1.texi
+	-mv INSTALL ../INSTALL.OCTAVE
+
+../BUGS: bugs1.texi bugs.texi
+	-makeinfo --no-header -I$(srcdir)/doc bugs1.texi
+	-mv BUGS ../BUGS
+
+check: all
+.PHONY: check
+
+install: all
+	if test -d $(infodir) ; then true ; \
+	else $(TOPDIR)/mkpath $(infodir) ; fi
+	if test -d $(infodir) ; then \
+	  rm -f $(infodir)/octave.info* ; \
+	  if test -f octave.info ; then \
+	    for f in octave.info* ; do \
+	      $(INSTALL_DATA) $$f $(infodir)/$$f ; \
+	    done ; \
+	  else \
+	    for f in $(srcdir)/octave.info* ; do \
+	      $(INSTALL_DATA) $$f $(infodir)/`basename $$f` ; \
+	    done ; \
+	  fi ; \
+	fi
+.PHONY: install
+
+uninstall:
+	rm -f $(infodir)/octave.info*
+.PHONY: uninstall
+
+tags: $(SOURCES)
+	ctags $(SOURCES)
+
+TAGS: $(SOURCES)
+	etags $(SOURCES)
+
+spell: $(SPELL)
+.PHONY: spell
+
+clean:
+	rm -f *.info *.info-* octave.cp octave.fn octave.ky \
+	octave.pg octave.tp octave.vr octave.aux octave.log \
+	octave.toc octave.dvi octave.ps
+.PHONY: clean
+
+mostlyclean:
+	rm -f *.info *.info-*
+.PHONY: mostlyclean
+
+distclean: clean
+	rm -f Makefile
+.PHONY: distclean
+
+realclean: distclean
+	rm -f tags TAGS
+.PHONY: realclean
+
+local-dist: all
+	ln $(DISTFILES) ../`cat ../.fname`/doc
+.PHONY: local-dist
+
+dist: all
+	ln $(DISTFILES) ../`cat ../.fname`/doc
+.PHONY: dist
+
+doc-dist: all
+	ln $(FORMATTED) ../`cat ../.fname`/doc
+.PHONY: doc-dist