1 | XML tags are case-sensitive. (<H1> is not the same as <h1>. |
2 | White space in the data between tags is relevant. But within the markup itself and within quoted attribute values, white space is normalized (removed). |
3 | XML allows you to specify different character set encodings. <?xml version=`1.0' encoding=`UTF-8' ?> |
4 |
Predefined entities:
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