<form id="searchform" method="get" action="<?php bloginfo('home'); ?>">
<div>
<input type="text" name="s" id="s" size="15" /><br />
- <input type="submit" value="<?php _e('Search'); ?>" />
+ <input type="submit" value="<?php esc_attr_e('Search'); ?>" />
</div>
</form>
</li>