Sami,
sorry I wasn't clear enough.
Floris,
In vBulletin for example, many products worked only in the advanced editor and we always had to ask th developers to apply it to "Quick reply", where they most often don't do it.
We also have to install many products to add features to the fast reply that are only avalaible in the advanced one by default.
instead of that, we can have everything in the fast reply and no need to any more addons.
And about quotes, people can collect quots in the quick reply also.
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If the advanced page would not be removed, then we should have the ability to enable all the advanced page features and buttons (that are going to be added later). So we don't need to install addons to enable them.