themes or force all users to use same theme, so that your CSS applies
+Optionally, moin can display avatar images for the users, using gravatar.com
+service. To enable it, use::
+ user_use_gravatar = True
+Please note that using the gravatar service has some privacy issues::
+* to register your image for your email at gravatar.com, you need to give them
+ your email address (same as you use in your wiki user profile).
+* we try to avoid exposing the referrer URL to gravatar.com, but this only
+ works if your browser correctly implements rel="noreferrer". If it does not,
+ your wiki item URLs will be exposed, so they will roughly know which people
+ read or work on which wiki items.