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XML CDATA / comments differences
1. CDATA is still 
part of the document
, while a comment is not 2. In CDATA we cannot include the string 
]]>
, while in a comment 
--
3. CDATA content is visible on the web if we specify 
xmlns
attribute as 
http://www.w3.org/1999/xhtml
, even if the file is saved as 
.xml
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CDATA Example</title>
    </head>
    <body>

        <h2>Using a Comment</h2>
        <div id="commentExample">
            <!--
            You won't see this in the document
            and can use reserved characters like
            < > & "
            -->
        </div>

        <h2>Using a CDATA Section</h2>
        <div id="cdataExample">
            <![CDATA[
            You will see this in the document
            and can use reserved characters like
            < > & "
            ]]>
        </div>

    </body>
</html>
by Valeri Tandilashvili
4 years ago
XML
XML CDATA
0
Pro tip: use ```triple backticks around text``` to write in code fences