diff --git a/ChangeLog b/ChangeLog
index 14d47801..079abc3f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2000-02-27  Martin Baulig  <martin@home-of-linux.org>
+
+	* dtd/libgtop-backends.dtd: Added XML DTD for the `*.backend' files.
+
 2000-02-27  Martin Baulig  <martin@home-of-linux.org>
 
 	* dtd/: New directory.
diff --git a/backends/common/libgtop-common.backend b/backends/common/libgtop-common.backend
index daa36527..b4910d34 100644
--- a/backends/common/libgtop-common.backend
+++ b/backends/common/libgtop-common.backend
@@ -1,4 +1,5 @@
 <?xml version="1.0"?> <!-- -*-xml-*- -->
+<!DOCTYPE libgtop:backends SYSTEM 'libgtop-backends.dtd'>
 <libgtop:Backends xmlns:libgtop="http://www.home-of-linux.org/libgtop/1.1">
 
   <libgtop:Backend>
diff --git a/backends/server/libgtop-server.backend b/backends/server/libgtop-server.backend
index 634db2b4..df5134c7 100644
--- a/backends/server/libgtop-server.backend
+++ b/backends/server/libgtop-server.backend
@@ -1,4 +1,5 @@
 <?xml version="1.0"?> <!-- -*-xml-*- -->
+<!DOCTYPE libgtop:backends SYSTEM 'libgtop-backends.dtd'>
 <libgtop:Backends xmlns:libgtop="http://www.home-of-linux.org/libgtop/1.1">
 
   <libgtop:Backend>
diff --git a/backends/sysdeps/libgtop-sysdeps.backend b/backends/sysdeps/libgtop-sysdeps.backend
index 57c452af..1419f8bf 100644
--- a/backends/sysdeps/libgtop-sysdeps.backend
+++ b/backends/sysdeps/libgtop-sysdeps.backend
@@ -1,4 +1,5 @@
 <?xml version="1.0"?> <!-- -*-xml-*- -->
+<!DOCTYPE libgtop:backends SYSTEM 'libgtop-backends.dtd'>
 <libgtop:Backends xmlns:libgtop="http://www.home-of-linux.org/libgtop/1.1">
 
   <libgtop:Backend>
diff --git a/dtd/libgtop-backends.dtd b/dtd/libgtop-backends.dtd
new file mode 100644
index 00000000..2938cb61
--- /dev/null
+++ b/dtd/libgtop-backends.dtd
@@ -0,0 +1,11 @@
+<!ELEMENT Backends (Backend)+>
+
+<!ELEMENT Backend (Name,Location)>
+<!ELEMENT Name (#PCDATA)>
+
+<!ELEMENT Location (LibtoolName?,ShlibName,ExtraLibs?)>
+<!ELEMENT LibtoolName (#PCDATA)>
+<!ELEMENT ShlibName (#PCDATA)>
+
+<!ELEMENT ExtraLibs (ExtraLib)+>
+<!ELEMENT ExtraLib (LibtoolName?,ShlibName)>
diff --git a/sysdeps/kernel/libgtop-kernel.backend b/sysdeps/kernel/libgtop-kernel.backend
index 89c6411d..7b177f71 100644
--- a/sysdeps/kernel/libgtop-kernel.backend
+++ b/sysdeps/kernel/libgtop-kernel.backend
@@ -1,4 +1,5 @@
 <?xml version="1.0"?> <!-- -*-xml-*- -->
+<!DOCTYPE libgtop:backends SYSTEM 'libgtop-backends.dtd'>
 <libgtop:Backends xmlns:libgtop="http://www.home-of-linux.org/libgtop/1.1">
 
   <libgtop:Backend>