It is on a toggle with the other editor (Rich Text), so whichever one you have clicked "Always user this editor" on most recently will be the default. If you would like to switch that, then go to the other editor and click on the link there.
I was second guessing the problem because on a particular instance, I
only have one editor type to use (Plain/Wiki Text).
See attached screen shot.
Somehow the data instance seems to be affecting the functionality.
I don't appear to have the same problem with other documents - they all
have a choice. The setting/resetting editors look like they work as you
Very odd, this rouge instance now seems to be behaving itself. I do at least have some photographic evidence that it was playing up.
Message was edited by: Magpie