Updated Crafting Guide Data Format V2 (markdown)

Crafting-Guide-Data-Format-V2.md

@@ -30,7 +30,7 @@ item: Certus Quartz Crystal
     gatherable: yes
 ```
 
-## Commands
+## Command Reference
 
 * `schema: <version>` _(required)_
 
@@ -74,4 +74,12 @@ item: Certus Quartz Crystal
        any combination of any kind of planks (e.g., Oak Wood Planks, Spruce Planks).  When entering a 
        recipe for such an item, simply choose a variant of the ingredients and enter a single recipe 
        using that variant (e.g., only use Oak Wood Planks).
-    2. Break cycles using `gatherable`.  
+    2. Break cycles using `gatherable`.  For example, IndustrialCraft adds a recipe to make String from
+       Wool. Minecraft, however, already has a recipe for making Wool from String.  This creates a cycle
+       which can cause an infinite loop in crafting.  Avoid such loops by marking the appropriate 
+       item(s) as `gatherable`
+    3. Put the most basic recipe first. For example, with Mekanism, Iron Ingots can be produced in many
+       different ways, each yielding more and more iron.  Recipes should be listed in order from least 
+       to most complex.
+    4. Put the highest yielding recipe first.  Where all recipes are of equivalent complexity (e.g., 
+       producing Rose Red from Poppies or Rose Bushes), place the recipe which produces the most first.