Protocol of the URL. If empty and <var>$1query</var> is set, the protocol is <kbd>http</kbd>. Leave both this and <var>$1query</var> empty to list all external links.
Protocol of the URL. If empty and <var>$1query</var> is set, the protocol is <kbd>http</kbd>. Leave both this and <var>$1query</var> empty to list all external links.