// Exemple d'ajout dans le pipeline "fonts_list" :
$GLOBALS['spip_pipeline']['fonts_list'] .= "|skel_webfonts";
 
function skel_webfonts($fonts) {
	$fonts = array(
		'headline'=> array(
			'family'=> 'Open Sans',
			'variants'=> array('300','300italic','regular','italic','600')
		),
		'copy'=> array(
			'family'=> 'Montserrat',
			'variants'=> array('regular','800')
		)
	);
    return $fonts;
}