- * print sizes as "xxx kB", "xxx.y kB", "xxx MB" or "xxx.y MB" as needed;
- * allow for optional trailing string (like "\n")
+ * print sizes as "xxx kB", "xxx.y kB", "xxx MB", "xxx.y MB",
+ * xxx GB, or xxx.y GB as needed; allow for optional trailing string
+ * (like "\n")