I'd like a screen stating essentially 'comment received and will be reviewed' following any denied or held comments.
A FAQ question has been added:
http://codex.wordpress.org/index.php?title=Combating_Comment_Spam/FAQ
Searches have turned up the following:
comment thanks
comment apology
comment hold
comment received
page 20 of tag 'comments' http://wordpress.org/tags/comments/page/20
Comment received notification
http://wordpress.org/support/topic/44170
Akismet: Notify commentor comment marked as spam?
http://wordpress.org/support/topic/82571
comment_moderation states setting on comment form
http://wordpress.org/support/topic/25629
Redirect users to their just-posted comment
http://wordpress.org/support/topic/29234
Podz solution as a part of the comment form. ( http://wordpress.org/support/topic/44170 ) :
Open 'comments.php'
Find this line
<input name="submit" type="submit" tabindex="5" value="<?php _e("Say it!"); ?>" />
Above that, add this (I've included the above for reference)
<p>
Comment moderation is in use. Please do not submit your comment twice - it will appear shortly
<input name="submit" type="submit" tabindex="5" value="<?php _e("Say it!"); ?>" />
</p>
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Ideas resulting in a notification displayed following comment submission?