Provide a "default moderate" option for comments. The default behavior

is unchanged, but you now have the option to set all new comments to
be unpublished and then moderate them through the Admin > Content >
Comments interface.

Fixes #2126.

modules/comment/views/comments.html.php

@@ -25,7 +25,7 @@
   <? if ($comments->count()): ?>
   <ul>
     <? foreach ($comments as $comment): ?>
-    <li id="g-comment-<?= $comment->id ?>">
+    <li id="g-comment-<?= $comment->id ?>" class="g-comment-state-<?= $comment->state ?>">
       <p class="g-author">
         <a href="#">
           <img src="<?= $comment->author()->avatar_url(40, $theme->url("images/avatar.jpg", true)) ?>"
@@ -48,6 +48,9 @@
       <div>
         <?= nl2br(html::purify($comment->text)) ?>
       </div>
+      <? if ($comment->state == "unpublished"): ?>
+      <b> <?= t("Your comment is held for moderation. The site moderator will review and publish it.") ?> </b>
+      <? endif ?>
     </li>
     <? endforeach ?>
   </ul>