Blocks that have double drops enabled are also worth marking

src/main/java/com/gmail/nossr50/util/BlockUtils.java

@@ -66,7 +66,11 @@ public final class BlockUtils {
      * @return true if the block awards XP, false otherwise
      */
     public static boolean shouldBeWatched(BlockState blockState) {
-        return affectedByGigaDrillBreaker(blockState) || affectedByGreenTerra(blockState) || affectedBySuperBreaker(blockState) || isLog(blockState);
+        return affectedByGigaDrillBreaker(blockState) || affectedByGreenTerra(blockState) || affectedBySuperBreaker(blockState) || isLog(blockState)
+                || Config.getInstance().getDoubleDropsEnabled(PrimarySkillType.MINING, blockState.getType())
+                || Config.getInstance().getDoubleDropsEnabled(PrimarySkillType.EXCAVATION, blockState.getType())
+                || Config.getInstance().getDoubleDropsEnabled(PrimarySkillType.WOODCUTTING, blockState.getType())
+                || Config.getInstance().getDoubleDropsEnabled(PrimarySkillType.SMELTING, blockState.getType());
     }
 
     /**