system/plugins/coreblocks/block.recent_comments.php

<?php if ( !defined( 'HABARI_PATH' ) ) { die( 'No direct access' ); } ?>
<ul id="recent_comments">
  <?php $comments = $content->recent_comments; foreach( $comments as $comment): ?>
    <li>
<?php
    if ( $comment->url ) {
      $name_html = sprintf('<a class="username" href="%s">%s</a>',
        $comment->url, $comment->name);
    }
    else {
      $name_html = sprintf('<span class="username">%s</span>',
        $comment->name);
    }
    $post_html = sprintf('<a href="%s">%s</a>',
      $comment->post->permalink, $comment->post->title);
    // @locale An item in the "Comments" menu list showing that a user commented on a post ("user on post")
    _e('%1$s on %2$s', array( $name_html, $post_html ));
?>
    </li>
  <?php endforeach; ?>
</ul>