I've been using classic vi  for a while now, and I like it's comparative simplicity, but it's got some real problems:
- tags don't work (or at least I haven't got them working)
- hitting ESC in command mode seems to execute whatever happens to be in the command buffer
- autoindent is a bit too primitive, preferring to mix tabs and spaces rather than consistently use whatever the file already does
So maybe I'll put together a patch set?
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