This is because Wiki markup (and HTML markup) are notnow recognisedescaped as HTML entities when placed in the default Nickname field any longer, and are escaped as HTML entities, e.g. <code>&#91;</code> instead of <code><nowiki>[</nowiki></code>). If you would like a signature that requires markup within the Nickname field, please check the <code>Raw signatures</code> option and enter the ''full'' signature string into the field. For instance, to produce the signature