chunked.filename.prefix string chunked.filename.prefix Filename prefix for chunked files Description If specified, the chunked.filename.prefix parameter specifies a prefix string to add to each generated chunk filename. For example: <xsl:param name="chunked.filename.prefix">admin-<xsl:param> will produce chunked filenames like: admin-index.html admin-ch01.html admin-ch01s01.html ... Trying to use the base.dir parameter to add a string prefix (by omitting the trailing slash) no longer works (it never worked completely anyway). That parameter value should contain only a directory path, and now gets a trailing slash appended if it was omitted from the param.