1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour two 9 inch, round cake pans.
2. Sift together cake flour, sugar, salt, baking powder, and soda. Add shortening, chocolate, buttermilk, and vanilla; beat for 2 minutes. Add eggs, and beat for 2 minutes. Stir in coconut. Pour batter into prepared pans.
3. Bake for 25 to 30 minutes. Cool, and frost.