validating HTML5 documents in oXygen 14.2

Post by **laurendw** » Thu Aug 22, 2013 2:55 am

Hi all,

in the current HTML5 specification, there is an example of a very simple HTML5 document at http://www.w3.org/TR/html5/single-page. ... ml-element.

Code: Select all

<!DOCTYPE html>

<html lang="en">

    <head>

        <title>Swapping Songs</title>

    </head>

    <body>

        <h1>Swapping Songs</h1>

        <p>Tonight I swapped some of the songs I wrote with some friends, who

            gave me some of the songs they wrote. I love sharing my music.</p>

    </body>

</html>

From reading this thread: http://www.oxygenxml.com/forum/topic7698.html, I thought a basic HTML5 document would be marked as valid. The error message I get is

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System ID: C:\temp\test.html

Main validation file: C:\temp\test.html

Schema: C:\Program Files\Oxygen XML Editor 14\frameworks\xhtml\xhtml5 (epub3)\epub-xhtml-30.nvdl

Engine name: Jing

Severity: error

Description: elements from namespace "" are not allowed

Start location: 2:17

If I add some empty elements such as link, those are also flagged since they don't have end tags. But for this purpose, I want to use the HTML5 syntax if at all possible, not the XHTML syntax. How do I get this to work?

thanks,

Lauren

Post by **Radu** » Thu Aug 22, 2013 9:52 am

Hi Lauren,

Oxygen can only be used to edit wellformed XHTML content which also declares the XHTML namespace.
So your example would also need to declare the XHTML namespace on the <html> element like:

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<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">

  <head>

    <title>Swapping Songs</title>

  </head>

  <body>

    <h1>Swapping Songs</h1>

    <p>Tonight I swapped some of the songs I wrote with some friends, who gave me some of the songs

      they wrote. I love sharing my music.</p>

  </body>

</html>

Empty elements like <link> can be added to the XHTML content like this:

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    <link href="test.css" rel="" />

Regards,
Radu

Post by **laurendw** » Thu Aug 22, 2013 7:33 pm

Thanks Radu. It sounds like documents written according to the polyglot spec http://www.w3.org/TR/html-polyglot/ should validate, but the full validation according to that specification is not checked (since, for example, xml:base is not allowed in polyglot documents). I can work with that.

validating HTML5 documents in oXygen 14.2

validating HTML5 documents in oXygen 14.2

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