worktable.craftguide_formspec(meta, pagenum, nil, 1, filter, tab_id)
else
for item in pairs(fields) do
- if item:match(".-:") and minetest.get_craft_recipe(item).items then
+ if item:find(":") and minetest.get_craft_recipe(item).items then
worktable.craftguide_formspec(meta, pagenum, item, 1, filter, tab_id)
end
end