message: Add "contrast" to disallowed list as it exists in mx_funcs.h and colorcorrect has a "contrast" arg so will conflict.
diff: @@ -327,7 +327,9 @@ OslSyntax::OslSyntax()
  "reflection", "transparent", "debug", "holdout", "subsurface", "sheen",
  "oren_nayar_diffuse_bsdf", "burley_diffuse_bsdf", "dielectric_bsdf", "conductor_bsdf", "generalized_schlick_bsdf",
  "translucent_bsdf", "transparent_bsdf","subsurface_bssrdf", "sheen_bsdf", "uniform_edf", "anisotropic_vdf",
  - "medium_vdf", "layer", "artistic_ior"
  + "medium_vdf", "layer", "artistic_ior",
  + // mx_funcs function names
  + "contrast"
  });
  //
  