Apply some reviews

Author: Emojigit

mods/default/functions.lua

@@ -296,7 +296,7 @@ minetest.register_abm({
 local in_dig_up = false
 local mapgen_limit = tonumber(minetest.settings:get("mapgen_limit")) or 31007
 function default.dig_up(pos, node, digger, max_height)
-	if in_dig_up then return end -- Avoid excess calls
+	if in_dig_up then return end -- Do not recurse
 	if digger == nil then return end
 	max_height = max_height or mapgen_limit