Replace some space indents by tabs

init.lua

@@ -29,7 +29,8 @@ function craftguide:group_to_item(item)
 			item = group_stereotypes[short_itemstr]
 		elseif minetest.registered_items["default:"..item:sub(7)] then
 			item = item:gsub("group:", "default:")
-		else for node, def in pairs(minetest.registered_items) do
+		else
+			for node, def in pairs(minetest.registered_items) do
 				if def.groups[item:match("[^,:]+$")] then
 					item = node
 				end
@@ -102,14 +103,17 @@ function craftguide:get_recipe(player_name, tooltipl, item, recipe_num, recipes)
 
 	if recipe_type == "normal" and
 			width > craftgrid_limit or rows > craftgrid_limit then
-		formspec = formspec.."label["..xoffset..","..(iY+2)..
+		formspec = formspec..
+			"label["..xoffset..","..(iY+2)..
 			";Recipe is too big to\nbe displayed ("..
 			width.."x"..rows..")]"
-	else for i, v in pairs(items) do
+	else
+		for i, v in pairs(items) do
 			local X = (i-1) % width + xoffset
 			local Y = ceil(i / width + iY+2 - min(2, rows))
 
-		if recipe_type == "normal" and width > 3 or rows > 3 then
+			if recipe_type == "normal" and
+					width > 3 or rows > 3 then
 				btn_size = width > 3 and 3 / width or 3 / rows
 				X = btn_size * (i % width) + xoffset
 				Y = btn_size * floor((i-1) / width) + iY+3 -
@@ -122,14 +126,14 @@ function craftguide:get_recipe(player_name, tooltipl, item, recipe_num, recipes)
 			local tooltip = self:get_tooltip(item_r, recipe_type,
 								width, groups)
 
-		formspec = formspec.."item_image_button["..X..","..Y..";"..
+			formspec = formspec.."item_image_button["..X..","..Y..
-					btn_size..","..btn_size..";"..
+				";"..btn_size..","..btn_size..";"..item_r..
-					item_r..";"..item_r..";"..label.."]"..
+				";"..item_r..";"..label.."]"..tooltip
-					tooltip
 		end
 	end
 	local output = recipes[recipe_num].output
-	return formspec.."image["..(xoffset-1)..","..(iY+2)..
+	return formspec..
+			"image["..(xoffset-1)..","..(iY+2)..
 				".12;0.9,0.7;craftguide_arrow.png]"..
 			"item_image_button["..(xoffset-2)..","..(iY+2)..";1,1;"..
 				output..";"..item..";]"..tooltipl
@@ -181,7 +185,8 @@ function craftguide:get_formspec(player_name, is_fuel)
 		else
 			formspec = formspec..
 				self:get_recipe(player_name, tooltip, data.item,
-					     data.recipe_num, data.recipes_item)
+						data.recipe_num,
+						data.recipes_item)
 		end
 	end
 
@@ -215,8 +220,8 @@ function craftguide:recipe_in_inv(inv, item_name, recipes_f)
 			if item:sub(1,6) == "group:" then
 				local groups = group_to_items(item)
 				for j=1, #groups do
-					if inv:contains_item("main",
+					if inv:contains_item(
-							     groups[j]) then
+							"main", groups[j]) then
 						group_in_inv = true
 					end
 				end
@@ -310,7 +315,8 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			data.pagenum = data.pagemax
 		end
 		craftguide:get_formspec(player_name)
-	else for item in pairs(fields) do
+	else
+		for item in pairs(fields) do
 			if not item:find(":") then break end
 			if item:sub(-4) == "_inv" then item = item:sub(1,-5) end
 
@@ -320,12 +326,15 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			if not recipes and not is_fuel then return end
 
 			if progressive_mode then
-			local who = minetest.get_player_by_name(player_name)
+				local who =
+					minetest.get_player_by_name(player_name)
 				local inv = who:get_inventory()
-			local _, has_item = craftguide:recipe_in_inv(inv, item)
+				local _, has_item =
+					craftguide:recipe_in_inv(inv, item)
 
 				if not has_item then return end
-			recipes = craftguide:recipe_in_inv(inv, item, recipes)
+				recipes = craftguide:recipe_in_inv(
+							inv, item, recipes)
 			end
 
 			data.item = item