improper checking excluded node

revert homedecor errors, aliasing error suppress, block sound error

nodes.lua

@@ -12,7 +12,8 @@ local sound_wood = moreblocks.node_sound_wood_defaults()
 local sound_stone = moreblocks.node_sound_stone_defaults()
 local sound_glass = moreblocks.node_sound_glass_defaults()
 local sound_leaves = moreblocks.node_sound_leaves_defaults()
-
+local sound_gravel = default.node_sound_gravel_defaults()
+local sound_sand = default.node_sound_sand_defaults()
 -- Don't break on 0.4.14 and earlier.
 local sound_metal = (moreblocks.node_sound_metal_defaults
 	and moreblocks.node_sound_metal_defaults() or sound_stone)
@@ -39,7 +40,6 @@ end
 local deprecated = (" ("..S('Deprecated')..")")
 
 -- start gravel add part 1
-local sound_gravel = default.node_sound_gravel_defaults()
 
 local box_slope = {
 	type = "fixed",
@@ -939,6 +939,8 @@ local nodes = {
 }
 
 for name, def in pairs(nodes) do
+	if name ~= "tar" then
+		--homedecor errors, aliasing error suppress
 		def.is_ground_content = def.is_ground_content == true
 		def.tiles = def.tiles or {"moreblocks_" ..name.. ".png"}
 		minetest.register_node("moreblocks:" ..name, def)
@@ -971,6 +973,7 @@ for name, def in pairs(nodes) do
 			})
 		end
 	end
+end
 
 -- Items