Revert "undo some"

This reverts commit 8a1d788823.

worldedit/serialization.lua

@@ -160,7 +160,7 @@ end
 --- Loads the schematic in `value` into a node list in the latest format.
 -- @return A node list in the latest format, or nil on failure.
 local function load_schematic(value)
-	local version, header, content = worldedit.read_header(value)
+	local version, _, content = worldedit.read_header(value)
 	local nodes = {}
 	if version == 1 or version == 2 then -- Original flat table format
 		local tables = minetest.deserialize(content, true)

worldedit_commands/init.lua

@@ -45,14 +45,14 @@ local function chatcommand_handler(cmd_name, name, param)
 	if def.nodes_needed then
 		local count = def.nodes_needed(name, unpack(parsed))
 		safe_region(name, count, function()
-			local success, msg = def.func(name, unpack(parsed))
+			local _, msg = def.func(name, unpack(parsed))
 			if msg then
 				minetest.chat_send_player(name, msg)
 			end
 		end)
 	else
 		-- no "safe region" check
-		local success, msg = def.func(name, unpack(parsed))
+		local _, msg = def.func(name, unpack(parsed))
 		if msg then
 			minetest.chat_send_player(name, msg)
 		end
@@ -1382,7 +1382,7 @@ worldedit.register_command("restore", {
 })
 
 local function detect_misaligned_schematic(name, pos1, pos2)
-	pos1, pos2 = worldedit.sort_pos(pos1, pos2)
+	pos1 = worldedit.sort_pos(pos1, pos2)
 	-- Check that allocate/save can position the schematic correctly
 	-- The expected behaviour is that the (0,0,0) corner of the schematic stays
 	-- sat pos1, this only works when the minimum position is actually present