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// Typekit
function themexxx_typekit() {
    wp_enqueue_script( 'typekit', '//use.typekit.net/xxxxxx.js');
}
add_action( 'wp_enqueue_scripts', 'themexxx_typekit' );
function themexxx_typekit_inline() {
  if ( wp_script_is( 'typekit', 'done' ) ) { ?>
  	<script type="text/javascript">try{Typekit.load({ async: true });}catch(e){}</script>
<?php }
}
add_action( 'wp_head', 'themexxx_typekit_inline' );
// END Typekit