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Emacs used as a message router in Germany's ATC systems in the 1990s (2021)
Stories of Emacs in the wild. As recounted on r/emacs by Cees de Groot: Early ‘90s, after “Die Wende” and the unification of East and West Germany.
The project was between DASA and HP as main contractors to replace both countries’ ATC systems with a unified one. And it’s not that they were stupid, but muscle memory for the VMS editor (TPU, IIRC, but this is a long time ago) does really not translate well to Vi. A week later - I helped out finishing the 4GL UI in the meantime and completed the messaging protocol - he called me in, quite happy.
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