"This also illustrates a key feature of the Apple Dylan TR: every part of your source code was not just text in a text file, it was a separate object in an object database. This gave the IDE incredible power, because meta-data about each object could be maintained to facilitate browsing via a variety of relationships and views, but less-than-optimal implementation may have been responsible for some of the performance problems of the Technology Release."

Having the program as an object stored in database with metadata and editing/browsing it with an editor is intentional software as far as I'm concerned (Simonyi's definition has nuances and extra constraints I know).

It's not like there are so many of these around that we have to categorise and differentiate them anyway. They are very few of them around so for now as far as I'm concerned they all go in the same bucket of "things that attempt to break away from plaintext" in my view.