[opencms-dev] What is <![CDATA ???

[tol]

Hi @all!

A little question: What ist the <![CDATA - TAG and for what it is used? 
It seems to appear ever I switched from WYSIWYG View to the Sourcecode 
view of a html-file...

Is there any documentation? In the online module-doc and in the pdf-doc 
I didn't found any :-(

Some hints?

Greetings
Tol
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