I have google or bing all the internet to find anyone who has the same problem described in title.
normally after guest posted a comment there would be a message"your comment is awaiting moderation" shown.
but now the message disappears.
when i use the default theme "twentyten",the problem is alse existing.
i have check the comment callback funciton,the code is just where it should be.
<?php if ($comment->comment_approved =='0'):?> <em class="comment-awaiting-moderation"><?php _e( 'your comment is awaiting moderation');?></em> <br /> <?php endif; ?>
i find a same question posted on the stackoverflow.com
anyone help me.