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Nag User plugin
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This plugin displays site's Terms of Service or other document
and does not allow use of interface until user accepts the rules.

Plugin will ask to confirm again after predefined amount of time.

Original ideas by Ralf Hildebrandt <Ralf.Hildebrandt@charite.de>
Implementation by Tomas Kuliavas <tokul@users.sourceforge.net>

ChangeLog
v.1.0 - 2004-05-12
* Initial release

v.1.1 - 2004-05-13
* Fixed repeat_nag_time global.
* Added functions that allow use of C class subnets in $nonag_ips.
* Removed dependency of functions/forms.php (available only in 1.4.3+).

v.1.2 - 2004-07-31
* Added functions that check user's reverse address or domain
  See $nonag_names option
* Ported forms.php fixes
