diff -r 2d14f02ba3bd -r fa0f19a74283 example/src/sqwl/cms/ContentHolder.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/src/sqwl/cms/ContentHolder.scala	Tue Dec 29 16:46:47 2020 +0100
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2020 Tomas Zeman <tomas@functionals.cz>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package sqwl.cms
+
+import scalatags.Text.all._
+
+trait ContentHolder {
+  def id: Articles.Id
+  def content: SeqFrag[Frag]
+}