Chapter 2. Defining Outlines: XOXO

What Is XOXO?

Since we are just getting started, I thought it would make sense to begin with one of the simplest microformats. You know, ease into things. So, here we go with XOXO.

Nope, it’s not about kisses and hugs (although my grandmother would’ve disagreed). XOXO stands for Extensible Open XHTML Outlines, and it is the microformat applied to outline content on the web.

What is considered outline content? Basically, it’s content that would be contained by XHTML list elements, such as actual outlines, blogrolls, site maps, even presentations.

What’s the point?

Other than adding semantic value, using XOXO with outline content allows machines (remember, those are computers, user agents, applications, and ...

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