How do I prevent Internet Explorer from crashing and showing an "Operation Aborted" error when a <base> tag is defined?

Including a closing </base> tag will prevent this bug in Internet Explorer being triggered. Because for HTML 4 compliant pages (a closing base tag is forbidden under HTML 4), you could use Internet Explorer conditional comments to keep your HTML valid and still include a closing base tag for HTML 4 documents:

<base href="http://www.yourdomain.com/"><!--[if IE]></base><![endif]-->

The TYPO3 solution to this problem is to define the baseURL as follows:

config.baseURL = {$global.baseURL} [browser = msie6]  config.baseURL >  config.headerComment (    This is to allow IE6 to see Flash    -->    <base href="{$global.baseURL}"></base>    <!--  ) [end] 

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