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Replaced every bottom-of-section 'See also:' block with inline Org-mode file: links at the first natural mention in body text. All 29 files across the economics directory now use wiki-style inline cross-references rather than standalone reference blocks.
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Comparison with Symbolics Genera
| Symbolics Genera (1980s) | Passepartout (2020s) | |
|---|---|---|
| Lines | ~1,000,000 | ~21,000 (self-driving target) |
| Developer-years | ~10 years, large team | ~1 year, 1-3 devs |
| OS | Built from scratch in assembly + Lisp | Runs on Linux (free OS layer) |
| Hardware | Custom Lisp Machine (entire computer) | PCIe card (FPGA or Tenstorrent) |
| Market | $50K-$100K/seat | $5K-$50K/appliance |
| Scope | Full OS + environment | Cognitive agent + hardware acceleration |
The Symbolics comparison is instructive: they built a full Lisp OS from scratch. Passepartout runs on Linux, providing the OS layer for free. The hardware integration is a PCIe card, not a replacement of the entire host. The scope is dramatically smaller — ~2% of the code for a fraction of the functionality that matters most. This illustrates the fundamental principles of Lisp economics — the cost of building a Lisp-based system has dropped by orders of magnitude since the 1980s. The Self-driving Lisp Machine is the modern analogue: a hardware accelerator rather than a complete computer.