diff --git a/errors/gap-omdoc/.err b/errors/gap-omdoc/.err
new file mode 100644
index 0000000000000000000000000000000000000000..a003a310ddaac2945e140ceaaaa6d7e3db90d6b4
--- /dev/null
+++ b/errors/gap-omdoc/.err
@@ -0,0 +1,2 @@
+<errors>
+</errors>
diff --git a/errors/gap-omdoc/gaptypes.json.err b/errors/gap-omdoc/gaptypes.json.err
new file mode 100644
index 0000000000000000000000000000000000000000..a003a310ddaac2945e140ceaaaa6d7e3db90d6b4
--- /dev/null
+++ b/errors/gap-omdoc/gaptypes.json.err
@@ -0,0 +1,2 @@
+<errors>
+</errors>
diff --git a/errors/mmt-omdoc/.err b/errors/mmt-omdoc/.err
new file mode 100644
index 0000000000000000000000000000000000000000..a003a310ddaac2945e140ceaaaa6d7e3db90d6b4
--- /dev/null
+++ b/errors/mmt-omdoc/.err
@@ -0,0 +1,2 @@
+<errors>
+</errors>
diff --git a/errors/mmt-omdoc/types.mmt.err b/errors/mmt-omdoc/types.mmt.err
new file mode 100644
index 0000000000000000000000000000000000000000..a003a310ddaac2945e140ceaaaa6d7e3db90d6b4
--- /dev/null
+++ b/errors/mmt-omdoc/types.mmt.err
@@ -0,0 +1,2 @@
+<errors>
+</errors>
diff --git a/relational/.rel b/relational/.rel
index 399f95bb32696e07b9c23ef9a4e3cc092c9e8f37..39aced0cf3c41522989ddbc99f8de0d15c0bec9a 100644
--- a/relational/.rel
+++ b/relational/.rel
@@ -1 +1,7 @@
 document http://www.gap-system.org
+Declares http://www.gap-system.org http://www.gap-system.org/grp.omdoc
+Declares http://www.gap-system.org http://www.gap-system.org/lib.omdoc
+Declares http://www.gap-system.org http://www.gap-system.org/pkg
+Declares http://www.gap-system.org http://www.gap-system.org/prim.omdoc
+Declares http://www.gap-system.org http://www.gap-system.org/small.omdoc
+Declares http://www.gap-system.org http://www.gap-system.org/types.omdoc