Add test to ensure this fixes #405 too

Author: Mpdreamz

tests/authoring/Container/DefinitionLists.fs

@@ -57,3 +57,34 @@ This is my `definition`
             """
     [<Fact>]
     let ``has no errors 2`` () = markdown |> hasNoErrors
+
+
+
+type ``preserves paragraphs`` () =
+
+    static let markdown = Setup.Markdown """
+Elastic Consumption Unit (ECU)
+:   An ECU is a unit of aggregate consumption across multiple resources over time.
+
+    Each type of computing resource (capacity, data transfer, and snapshot) that you consume has its own unit of measure.
+
+    In order to aggregate consumption across different resource types, all resources are priced in ECU.
+
+    Check Using Elastic Consumption Units for billing for more details.
+"""
+
+    [<Fact>]
+    let ``validate HTML 2`` () =
+        markdown |> convertsToHtml """
+        <dl>
+            <dt>Elastic Consumption Unit (ECU)</dt>
+            <dd>
+                <p>An ECU is a unit of aggregate consumption across multiple resources over time.</p>
+                <p>Each type of computing resource (capacity, data transfer, and snapshot) that you consume has its own unit of measure.</p>
+                <p>In order to aggregate consumption across different resource types, all resources are priced in ECU.</p>
+                <p>Check Using Elastic Consumption Units for billing for more details.</p>
+            </dd>
+        </dl>
+        """
+    [<Fact>]
+    let ``has no errors`` () = markdown |> hasNoErrors