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Syntax:

<?meta [name0="value0"] [name1="value1"] [name2="value2"]
   [if="..."] [unless="..."]?>
[since 3.6.2]

It specifies an element that should be generated inside the HEAD element. It is generated before ZK default JavaScript and CSS files. Currently only HTML-based clients (so-called browsers) support them. Furthermore, HTML META tag is actually generated for each of this declaration.

Developers can specify whatever attributes you like; it is up to the browser to interpret. ZK only evaluates the if and unless attributes, and encodes the URI of the href and src attribute (by use of the encodeURL method of the Executions class). ZK generates all other attributes directly to the client.

Notice that these header directives are effective only for the main ZUL page. In other words, they are ignored if a page is included by another pages or servlets. Also, they are ignored if the page is a zhtml file.

 <?meta name="keywords" content="HTML, CSS, XML" ?>

 <window title="My App">
     My content
 </window>

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