What does XML look like?

XML looks like HTML but is NOT HTML.

<page id="acronym"> <title> What does <acronym>XML</acronym> stands for? </title> <para>eXtensible Mark-up Language. These are some more precision, in reverse order:</para> <para>This is another piece of text for the needs of that presentation.</para> </page>

What we generally see of XML is its flat version. Indeed XML data is structured like a tree. The root element being here <page>...</page>. One must always keep in mind the tree structure of an XML document. It is another key of XML data. Here, the element <title>...</title> is not simply a <title>, but a children of <page> and the first preceding sibling of <para>...