These settings configure the behavior of the comments framework:
If True (default), removed comments will be excluded from comment lists/counts (as taken from template tags). Otherwise, the template author is responsible for some sort of a “this comment has been removed by the site staff” message.
The maximum length of the comment field, in characters. Comments longer than this will be rejected. Defaults to 3000.
An app which provides customization of the comments framework. Use the same dotted-string notation as in INSTALLED_APPS. Your custom COMMENTS_APP must also be listed in INSTALLED_APPS.
Dec 23, 2012