nearly any format, since it's parsed by [[!cpan TimeDate]]
* `username` - Used to record the username (or OpenID)
of a logged in commenter.
+* `nickname` - Name to display for a logged in commenter.
+ (Optional; used for OpenIDs.)
* `ip` - Can be used to record the IP address of a commenter,
if they posted anonymously.
* `claimedauthor` - Records the name that the user entered,
- if anonmous commenters are allowed to enter their (unverified)
+ if anonymous commenters are allowed to enter their (unverified)
name.
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