diff --git a/textproc/Makefile b/textproc/Makefile
index 6b46f339c2a7..1885a83e6831 100644
--- a/textproc/Makefile
+++ b/textproc/Makefile
@@ -142,6 +142,7 @@
     SUBDIR += sablotron
     SUBDIR += sarep
     SUBDIR += sdf
+    SUBDIR += sdocbook-xml
     SUBDIR += se-ispell
     SUBDIR += sgmlformat
     SUBDIR += sgmls
diff --git a/textproc/sdocbook-xml/Makefile b/textproc/sdocbook-xml/Makefile
new file mode 100644
index 000000000000..d86cfce43da7
--- /dev/null
+++ b/textproc/sdocbook-xml/Makefile
@@ -0,0 +1,40 @@
+# New ports collection makefile for:	"Simplified" DocBook XML DTD
+# Date created:		25 December 2000
+# Whom:			KIRIYAMA Kazuhiko <kiri@FreeBSD.org>
+#
+# $FreeBSD$
+#
+
+PORTNAME=	sdocbook-xml
+PORTVERSION= 	4.1.2.4
+CATEGORIES=	textproc
+MASTER_SITES=	http://nwalsh.com/docbook/simple/4.1.2.4/
+DISTNAME=	sdb${PORTVERSION:S/.//g}
+
+MAINTAINER=	kiri@FreeBSD.org
+
+RUN_DEPENDS=	${LOCALBASE}/share/xml/docbook/readme.txt:${PORTSDIR}/textproc/docbook-xml
+
+USE_ZIP=	yes
+NO_MTREE=	yes
+NO_BUILD=	yes
+WRKSRC=		${WRKDIR}
+
+INSTDIR=	${PREFIX}/share/xml/docbook
+DTDDIR=		${INSTDIR}/sdocbook
+ENTDIR=		${INSTDIR}/sdocbook/ent
+
+do-install:
+	${MKDIR} ${ENTDIR}
+	${INSTALL_DATA} ${FILESDIR}/catalog ${DTDDIR}
+	cd ${WRKSRC}; \
+		${INSTALL_DATA} COPYRIGHT ChangeLog LostLog README VERSION \
+			*.dtd *.mod *.css *.xml ${DTDDIR}; \
+		${INSTALL_DATA} ent/* ${ENTDIR}
+	if [ ! -f ${INSTDIR}/catalog ]; then \
+		${ECHO} "CATALOG \"sdocbook/catalog\"" > ${INSTDIR}/catalog; \
+	else \
+		${SETENV} LANG=C ${PERL} -ni -e 'print if !m|sdocbook/catalog|;print "CATALOG \"sdocbook/catalog\"\n" if eof;' ${INSTDIR}/catalog; \
+	fi
+
+.include <bsd.port.mk>
diff --git a/textproc/sdocbook-xml/distinfo b/textproc/sdocbook-xml/distinfo
new file mode 100644
index 000000000000..9c8e0849949c
--- /dev/null
+++ b/textproc/sdocbook-xml/distinfo
@@ -0,0 +1 @@
+MD5 (sdb4124.zip) = 64e9d808dfa2aee7315136dbe5ee6fdd
diff --git a/textproc/sdocbook-xml/files/catalog b/textproc/sdocbook-xml/files/catalog
new file mode 100644
index 000000000000..fa0d34cfb9ee
--- /dev/null
+++ b/textproc/sdocbook-xml/files/catalog
@@ -0,0 +1,11 @@
+PUBLIC "-//Norman Walsh//ENTITIES Simplified DocBook XML Character Entity Sets V4.1.2.4//EN" "sdbcent.mod"
+PUBLIC "-//Norman Walsh//ELEMENTS Simplified DocBook XML Document Hierarchy V4.1.2.4//EN" "sdbhier.mod"
+PUBLIC "-//Norman Walsh//ENTITIES Simplified DocBook XML Information Pool V4.1.2.4//EN" "sdbpool.mod"
+PUBLIC "-//Norman Walsh//DTD Simplified Custom DocBook XML V4.1.2.4//EN" "sdocbook-custom.dtd"
+PUBLIC "-//Norman Walsh//DTD Simplified DocBook XML V4.1.2.4//EN" "sdocbook.dtd"
+PUBLIC "-//Norman Walsh//DTD Simplified Custom DocBook XML RefEntry V4.1.2.4//EN" "sdocbookref-custom.dtd"
+PUBLIC "-//Norman Walsh//DTD Simplified DocBook XML RefEntry V4.1.2.4//EN" "sdocbookref.dtd"
+PUBLIC "-//Norman Walsh//ENTITIES Simplified DocBook XML Inclusions V4.1.2.4//EN" "sinclist.mod"
+PUBLIC "ISO 8879:1986//ENTITIES Added Latin 1//EN" "ent/iso-lat1.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Numeric and Special Graphic//EN" "ent/iso-num.ent"
+PUBLIC "ISO 8879:1986//ENTITIES Publishing//EN" "ent/iso-pub.ent"
diff --git a/textproc/sdocbook-xml/pkg-comment b/textproc/sdocbook-xml/pkg-comment
new file mode 100644
index 000000000000..fb41d0f77c9e
--- /dev/null
+++ b/textproc/sdocbook-xml/pkg-comment
@@ -0,0 +1 @@
+"Simplified" DocBook XML DTD
diff --git a/textproc/sdocbook-xml/pkg-descr b/textproc/sdocbook-xml/pkg-descr
new file mode 100644
index 000000000000..5347ccc20b35
--- /dev/null
+++ b/textproc/sdocbook-xml/pkg-descr
@@ -0,0 +1,4 @@
+The "Simplified" DocBook XML DTD is a small subset of the DocBook XML DTD. 
+For more information, see below:
+
+WWW: http://nwalsh.com/docbook/simple/
diff --git a/textproc/sdocbook-xml/pkg-plist b/textproc/sdocbook-xml/pkg-plist
new file mode 100644
index 000000000000..bb9f09505662
--- /dev/null
+++ b/textproc/sdocbook-xml/pkg-plist
@@ -0,0 +1,28 @@
+@unexec env LANG=C perl -ni -e 'print if !m|sdocbook/catalog|;' %D/share/xml/docbook/catalog;if [ ! -s %D/share/xml/docbook/catalog ]; then rm -f %D/share/xml/docbook/catalog; fi
+@exec if [ ! -f %D/share/xml/docbook/catalog ]; then echo "CATALOG \"sdocbook/catalog\"" > %D/share/xml/docbook/catalog; else env LANG=C perl -ni -e 'print if !m|sdocbook/catalog|;print "CATALOG \"sdocbook/catalog\"\n" if eof;' %D/share/xml/docbook/catalog; fi
+share/xml/docbook/sdocbook/COPYRIGHT
+share/xml/docbook/sdocbook/ChangeLog
+share/xml/docbook/sdocbook/LostLog
+share/xml/docbook/sdocbook/README
+share/xml/docbook/sdocbook/VERSION
+share/xml/docbook/sdocbook/catalog
+share/xml/docbook/sdocbook/ent/iso-lat1.ent
+share/xml/docbook/sdocbook/ent/iso-num.ent
+share/xml/docbook/sdocbook/ent/iso-pub.ent
+share/xml/docbook/sdocbook/sdbcent.mod
+share/xml/docbook/sdocbook/sdbhier.mod
+share/xml/docbook/sdocbook/sdbpool.mod
+share/xml/docbook/sdocbook/sdocbook-custom.dtd
+share/xml/docbook/sdocbook/sdocbook.css
+share/xml/docbook/sdocbook/sdocbook.dtd
+share/xml/docbook/sdocbook/sdocbookref-custom.dtd
+share/xml/docbook/sdocbook/sdocbookref.dtd
+share/xml/docbook/sdocbook/sinclist.mod
+share/xml/docbook/sdocbook/test.xml
+share/xml/docbook/sdocbook/testcss.xml
+share/xml/docbook/sdocbook/testcust.xml
+share/xml/docbook/sdocbook/testrefcust.xml
+@dirrm share/xml/docbook/sdocbook/ent
+@dirrm share/xml/docbook/sdocbook
+@unexec rmdir %D/share/xml/docbook 2>/dev/null || true
+@unexec rmdir %D/share/xml 2>/dev/null || true