From: Mark Thomas <ruby@...>
Date: 2008-06-25T05:48:05+09:00
Subject: Re: Reorder a XML file by distance from a location

> So I can compare and sort two items..
>
> May I ask how can I sort the whole stuff?

The solution works for any number of items. sort() uses <=> during the
sorting process, so when you define <=> for your data, you can sort
any number of items.