This option specifies the base URL for all relative URLs in the document. The default value is the directory of the current document. If a value is provided, it must specify a directory (not a document) and must end with a /.
This option also interacts with the relative_urls, remove_script_host, and convert_urls options to determine whether {productname} returns relative or absolute URLs. The URL handling options page contains a thorough description and examples of working with relative and absolute URLs.
Type: String