Craft guide : prevent crash when filter is not alphanumerical - thanks @kaeza

diff --git a/worktable.lua b/worktable.lua
index 6f5b4480246bb7c67b70fc1ecc90b9584c7812c0..6b249d1a649b5da11699487a8c4dcf6c0fc21479 100644 (file)
--- a/worktable.lua
+++ b/worktable.lua
@@ -180,7 +180,7 @@ function worktable.craftguide_update(pos, filter)
                if not (def.groups.not_in_creative_inventory == 1) and
                                minetest.get_craft_recipe(name).items and
                                def.description and def.description ~= "" then
-                       if (filter and def.name:find(filter)) or not filter then
+                       if (filter and def.name:find(filter, 1, true)) or not filter then
                                inv_items_list[#inv_items_list+1] = name
                        end
                end