Adding a category should require a logged in user.
From ticket:774:
http://openeuphoria.org/category/cloud.wc is full of spam; any category URL that is accessed is added to the list, whether or not it exists.
See: hg:euweb/rev/e1de2bda3c18
changeset: 470:e1de2bda3c18 tag: tip user: Jim C. Brown date: Mon Oct 22 15:16:36 2012 -0400 files: source/category.e source/category_db.e description:
This was marked as new for some reason, even though it had been fixed years ago.