Errors found while checking this document as XHTML 1.0 Strict!

Result: 2 Errors
:
: utf-8
: XHTML 1.0 Strict
Root Element: html
Root Namespace: http://www.w3.org/1999/xhtml
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Validation Output: 2 Errors

  1. Error Line 52, Column 5: character data is not allowed here 
    				Dies ist das Archiv des infostudium.de Forums, das von 2005 bis 2018 betrie…

    ✉

    You have used character data somewhere it is not permitted to appear. Mistakes that can cause this error include:

    • putting text directly in the body of the document without wrapping it in a container element (such as a <p>aragraph</p>), or
    • forgetting to quote an attribute value (where characters such as "%" and "/" are common, but cannot appear without surrounding quotes), or
    • using XHTML-style self-closing tags (such as <meta ... />) in HTML 4.01 or earlier. To fix, remove the extra slash ('/') character. For more information about the reasons for this, see Empty elements in SGML, HTML, XML, and XHTML.
  2. Error Line 54, Column 8: end tag for "ul" which is not finished 
    			</ul>

    ✉

    Most likely, you nested tags and closed them in the wrong order. For example <p><em>...</p> is not acceptable, as <em> must be closed before <p>. Acceptable nesting is: <p><em>...</em></p>

    Another possibility is that you used an element which requires a child element that you did not include. Hence the parent element is "not finished", not complete. For instance, in HTML the <head> element must contain a <title> child element, lists require appropriate list items (<ul> and <ol> require <li>; <dl> requires <dt> and <dd>), and so on.

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