KHR_materials_anisotropy: Specify exclusions (#2347)

KhronosGroup · Nov 16, 2023 · 3b7a961 · 3b7a961
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diff --git a/extensions/2.0/Khronos/KHR_materials_anisotropy/README.md b/extensions/2.0/Khronos/KHR_materials_anisotropy/README.md
@@ -29,6 +29,11 @@ Complete, Ratified by the Khronos Group
 
 Written against the glTF 2.0 spec.
 
+## Exclusions
+
+- This extension must not be used on a material that also uses `KHR_materials_pbrSpecularGlossiness`.
+- This extension must not be used on a material that also uses `KHR_materials_unlit`.
+
 ## Overview
 
 This extension defines the anisotropic property of a material as observable with brushed metals for example.