PNG_FLAG_MNG_EMPTY_PLTE 1048 third_party/libpng/pngset.c      ((png_ptr->mng_features_permitted & (~PNG_FLAG_MNG_EMPTY_PLTE)) |
PNG_FLAG_MNG_EMPTY_PLTE 1049 third_party/libpng/pngset.c      ((empty_plte_permitted & PNG_FLAG_MNG_EMPTY_PLTE)));
PNG_FLAG_MNG_EMPTY_PLTE  586 third_party/libpng/pngwutil.c         !(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) &&
PNG_FLAG_MNG_EMPTY_PLTE 1147 third_party/libpng/pngwutil.c           (!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE))) &&