checkboxes, added hook and template plugin output sections for
plugins that can filter address book listings and modify the abook
navigation bar. Complements RisuMail team (risumail.jp).
+ - Added submit button type option widget
+ - Allow address lookup by fields other than nickname/alias
+ - Implement preference override hooks for database prefs backend that
+ have long been in the file-based prefs backend
+ - Removed the Address Take (abook_take) plugin; please see the Add Address
+ (third party) plugin.
+ - Allow a different server address for the POP server to be configured when
+ using POP before SMTP.
+ - Seed random number generator in one place during script init.
Version 1.5.1 (branched on 2006-02-12)
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