[EKB] This gives an example of what I think is a particularly Tcl-ish use of [Model / View / Controller]. I use this frequently in my own work and it certainly makes it easier to incrementally develop an application.

The architecture is pretty basic, something like this:

======
      +--------------------+
      |                           |
      |    Core Program    |
      |                           |
      +---------+----------+
                |
                |
               / \
              /   \
             /     \
          Mini-    GUI(s)
        language/
          CLI

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