Fix XML documentation.

Source/OpenTK/BindingsBase.cs

@@ -188,7 +188,7 @@ namespace OpenTK
         /// <summary>
         /// Frees a marshalled string that allocated by <c>MarshalStringToPtr</c>.
         /// </summary>
-        /// <param name="ptr">An unmanaged pointer allocated with <c>MarshalStringToPtr</param>
+        /// <param name="ptr">An unmanaged pointer allocated with <c>MarshalStringToPtr</c></param>
         protected static void FreeStringPtr(IntPtr ptr)
         {
             Marshal.FreeHGlobal(ptr);

Source/OpenTK/Graphics/ColorFormat.cs

@@ -183,6 +183,11 @@ namespace OpenTK.Graphics
 
         #region IEquatable<ColorFormat> Members
 
+        /// <summary>
+        /// Compares whether this ColorFormat structure is equal to the specified ColorFormat.
+        /// </summary>
+        /// <param name="other">The ColorFormat structure to compare to.</param>
+        /// <returns>True if both ColorFormat structures contain the same components; false otherwise.</returns>
         public bool Equals(ColorFormat other)
         {
             return

Source/OpenTK/Graphics/GraphicsContext.cs

@@ -39,7 +39,17 @@ namespace OpenTK.Graphics
     /// </summary>
     public sealed class GraphicsContext : IGraphicsContext, IGraphicsContextInternal
     {
+        /// <summary>
+        /// Used to retrive function pointers by name. 
+        /// </summary>
+        /// <param name="function">The function name.</param>
+        /// <returns>A function pointer to <paramref name="function"/>, or <c>IntPtr.Zero</c></returns>
         public delegate IntPtr GetAddressDelegate(string function);
+
+        /// <summary>
+        /// Used to return the handel of the current OpenGL context.
+        /// </summary>
+        /// <returns>The current OpenGL context, or <c>IntPtr.Zero</c> if no context is on the calling thread.</returns>
         public delegate ContextHandle GetCurrentContextDelegate();
 
         #region --- Fields ---
@@ -646,7 +656,7 @@ namespace OpenTK.Graphics
 
         /// <summary>
         /// Marks this context as deleted, but does not actually release unmanaged resources
-        /// due to the threading requirements of OpenGL. Use <see cref="GraphicsContext.Dispose"/>
+        /// due to the threading requirements of OpenGL. Use <see cref="GraphicsContext.Dispose()"/>
         /// instead.
        /// </summary>
         ~GraphicsContext()