Introduction: quotex

Consider two articles:

<a title="Don Norman's jnd.org / Simplicity Is Highly Overrated" href="http://www.jnd.org/dn.mss/simplicity_is_highly.html">Don Norman's jnd.org / Simplicity Is Highly Overrated</a> 

and

<a title="Joel on Software" href="http://www.joelonsoftware.com/items/2006/12/09.html">Joel on Software</a> 

Joel quotes Don. 

Here's the question: 

How do you find the parts of Don's article that are quoted in Joel's?

Well, let's make some fakely simple examples.

    >>> original = "It was 

    >>> import quotex