Demystifying CDATA Sections in XML: Preserving Special Characters Safely

In XML, the <![CDATA[]]> section is used to define a CDATA (Character Data) section. It is a way to include blocks of text that should be treated as raw character data and not parsed as markup. CDATA sections are often used when you need to include special characters or data that may otherwise cause issues if interpreted as XML markup.

The syntax of a CDATA section is as follows:


<![CDATA[ Your CDATA content here ]]>

Inside the CDATA section, you can include any characters, including special characters like "<" and "&", without worrying about XML parsing errors. The content within the CDATA section is treated as plain text and will be preserved as is when the XML is processed.

For example, if you have a block of code or an example containing angle brackets or special characters, you can wrap it in a CDATA section to avoid any parsing conflicts:


<example>
  <![CDATA[
    <code>
      // Your code here
    </code>
  ]]>
</example>

In this case, the "<code> // Your code here </code>" portion will be treated as plain text and preserved without any interpretation by the XML parser.

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