dtdocbook: install SGML DTDs to datadir.

cde/programs/dtdocbook/Makefile.am

@@ -1,3 +1,3 @@
 MAINTAINERCLEANFILES = Makefile.in
 
-SUBDIRS = lib instant xlate_locale doc2sdl
+SUBDIRS = lib instant xlate_locale doc2sdl sgml

cde/programs/dtdocbook/doc2sdl/Makefile.am

@@ -1,3 +1 @@
 MAINTAINERCLEANFILES = Makefile.in
-
-SUBDIRS = SGML

cde/programs/dtdocbook/doc2sdl/sgml/Makefile.am

@@ -1,11 +0,0 @@
-MAINTAINERCLEANFILES = Makefile.in
-
-BUILT_SOURCES = docbook.dtd dtinfo.af
-CLEANFILES = $(BUILT_SOURCES)
-
-docbook.dtd: $(top_srcdir)/programs/dtinfo/dtinfogen/infolib/C.ISO-8859-1/SGML/docbook.dtd
-	$(LN_S) $< $@
-
-dtinfo.af: $(top_srcdir)/programs/dtinfo/dtinfogen/infolib/C.ISO-8859-1/SGML/dtinfo.af
-	$(LN_S) $< $@
-

cde/programs/dtdocbook/sgml/Makefile.am

@@ -0,0 +1,36 @@
+MAINTAINERCLEANFILES = Makefile.in
+
+sgmldir = $(pkgdatadir)/dtdocbook/sgml
+
+sgml_DATA = docbook.dcl \
+	    docbook.dtd \
+	    dtinfoBook.dtd \
+	    dtinfoStyle.dtd \
+	    dtinfoTOC.dtd \
+	    dtinfo.af \
+	    catalog \
+	    hal.gml \
+	    iso-catalog \
+	    iso-amsa.gml \
+	    iso-amsb.gml \
+	    iso-amsc.gml \
+	    iso-amsn.gml \
+	    iso-amso.gml \
+	    iso-amsr.gml \
+	    iso-box.gml \
+	    iso-cyr1.gml \
+	    iso-cyr2.gml \
+	    iso-dia.gml \
+	    iso-grk1.gml \
+	    iso-grk2.gml \
+	    iso-grk3.gml \
+	    iso-grk4.gml \
+	    iso-lat1.gml \
+	    iso-lat2.gml \
+	    iso-mfrk.gml \
+	    iso-mopf.gml \
+	    iso-mscr.gml \
+	    iso-num.gml \
+	    iso-pub.gml \
+	    iso-tech.gml \
+	    styprolog.sgml