<meta name="keywords" content="', $context['meta_keywords'], '" />

';
if (!empty($context['current_topic'])){
$keystring = str_replace(' ', ',', trim($context['page_title_html_safe'])); 
echo '<meta name="keywords" content="', $keystring, '" />';
		   }
elseif (!empty($context['current_board'])){
$keystring = str_replace(' ', ',', trim($context['page_title_html_safe'])); 
echo '<meta name="keywords" content="', $keystring, '" />';
}
else
    {
echo '<meta name="keywords" content="', $context['meta_keywords'], '" />';
    } 
echo '