Code cleanup.

Assets/Cryville/Common/Pdt/PdtAttributes.cs

@@ -1,7 +1,21 @@
 using System;
 
 namespace Cryville.Common.Pdt {
+	/// <summary>
+	/// Indicates that the attributed member is an element list.
+	/// </summary>
+	/// <remarks>
+	/// <para>An element list is a <see cref="System.Collections.IDictionary" /> that represents a collection of PDT elements. There must be at most one element list in a class.</para>
+	/// </remarks>
+	[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
 	public class ElementListAttribute : Attribute { }
-	public class ComponentListAttribute : Attribute { }
+
+	/// <summary>
+	/// Indicates that the attributed member is a property list.
+	/// </summary>
+	/// <remarks>
+	/// <para>A property list is a <see cref="System.Collections.IDictionary" /> that represents a collection of PDT properties. There must be at most one property list in a class.</para>
+	/// </remarks>
+	[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
 	public class PropertyListAttribute : Attribute { }
 }