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Several proposals for ways that configurations will change in Horde 4.
++ Replace .dist files with .local.php files.
In order to reduce the amount of up-front configuration needed, I propose that we either:
++ Config objects.
Configuration data needs to be encapsulated instead of being thrown around in the global scope. Having a general Horde_Config class, with the defaults in that class, would allow for easy implementation of option #1 above.
++ Config vs. preferences
In many cases config options should be controllable as policies, either on a per-user or some other larger but not site-wide basis. This should also integrate with vhosting support (i.e., a config policy per vhost). See ((Project/HordePolicy)) and perhaps ((Project/HordeSpaces)) as well.
++ Configuration GUI
All options, whether this is MIME helpers, preferences, configuration settings, etc., should be settable from the configuration GUI.