added a page to describe how to clear filters in the crafting table.

Author: wrincewind

src/main/resources/assets/bloodmagic/patchouli_books/guide/en_us/entries/demon_will/item_routing/copying_filters.json

@@ -1,5 +1,5 @@
 {
-  "name": "Copying Filters",
+  "name": "Editing Filters",
   "icon": "minecraft:writable_book",
   "category": "bloodmagic:demon_will/item_routing",
   "pages":[
@@ -12,8 +12,18 @@
           "input1": "bloodmagic:itemrouterfilterexact{Items: [{Slot: 0b, id: \"minecraft:leather\", Count: 1b, tag: {stackSize: 1}}], \"button:blackwhitelist\": 0}",
           "input2": "bloodmagic:itemrouterfilterexact",
           "input9": "bloodmagic:itemrouterfilterexact",
-
-      "output": "bloodmagic:itemrouterfilterexact#3{Items: [{Slot: 0b, id: \"minecraft:leather\", Count: 1b, tag: {stackSize: 1}}], \"button:blackwhitelist\": 0}"
+          "output": "bloodmagic:itemrouterfilterexact#3{Items: [{Slot: 0b, id: \"minecraft:leather\", Count: 1b, tag: {stackSize: 1}}], \"button:blackwhitelist\": 0}"
+    },
+    {
+      "type": "patchouli:text",
+      "text": "Similarly, if you want to clear a filter, place it in the crafting table on its own, like so."
+    },
+    {
+      "type": "bloodmagic:manual_recipe",
+      "input1": "bloodmagic:itemrouterfilterexact{Items: [{Slot: 0b, id: \"minecraft:leather\", Count: 1b, tag: {stackSize: 1}}], \"button:blackwhitelist\": 0}",
+      "input2": "minecraft:air",
+      "input9": "minecraft:air",
+      "output": "bloodmagic:itemrouterfilterexact"
     }
   ]
 }