diff --git a/nether/init.lua b/nether/init.lua
index a3a8220..d252334 100644
--- a/nether/init.lua
+++ b/nether/init.lua
@@ -859,7 +859,7 @@ function nether.grow_tree(pos, generated)
 	local emerged_pos1, emerged_pos2 = manip:read_from_map(min, max)
 	local area = VoxelArea:new({MinEdge=emerged_pos1, MaxEdge=emerged_pos2})
 	local nodes = manip:get_data()
-	local param2s = manip:get_param2_data() 
+	local param2s = manip:get_param2_data()
 
 	for _,p in pairs(leaf_ps) do
 		p = area:indexp(p)
diff --git a/nether/items.lua b/nether/items.lua
index 9ee0121..03a1697 100644
--- a/nether/items.lua
+++ b/nether/items.lua
@@ -416,7 +416,7 @@ minetest.register_node("nether:vine", {
 				minetest.node_dig(p, nn, digger)
 			end
 		end
-	end 
+	end
 })
 
 
diff --git a/nether/portal.lua b/nether/portal.lua
index 0677639..0937eeb 100644
--- a/nether/portal.lua
+++ b/nether/portal.lua
@@ -301,14 +301,14 @@ local function check_portal(p1, p2)
 	else
 		return false
 	end
-	
+
 	if not move_check(p1, p2.y, "y") then
 		return false
 	end
 	if not move_check(p2, p1.y, "y") then
 		return false
 	end
-	
+
 	return true
 end
 
@@ -339,7 +339,7 @@ local function make_portal(pos)
 		print("[nether] aborted, obsidian portals can't be used to get out")
 		return
 	end
-	
+
 	for d=1,2 do
 	for y=p1.y+1,p2.y-1 do
 		local p
@@ -353,18 +353,18 @@ local function make_portal(pos)
 		end
 	end
 	end
-	
+
 	local param2
 	if p1.z == p2.z then
 		param2 = 0
 	else
 		param2 = 1
 	end
-	
+
 	local target = {x=p1.x, y=p1.y, z=p1.z}
 	target.x = target.x + 1
 	target.y = portal_target + math.random(4)
-	
+
 	for d=0,3 do
 	for y=p1.y,p2.y do
 		local p = {}