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src/ImageSharp/Formats/Jpeg/Components/Decoder/HuffmanTable.cs

@@ -118,6 +118,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder
                 }
             }
 
+            // Ok to use pointer here as struct is declared in method stack space so are essentially pinned.
             values.CopyTo(new Span<byte>(Unsafe.AsPointer(ref this.Values[0]), 256));
         }
     }