I'd like to discuss another issue: using a persistent data structure for the buffer so that some functionality can be obtained for free, such as

- unlimited undo - storing the editing history together with the latest version of a file (could be used for better computing of version differences than with cvs-diff)

I am still looking for appropriate data structures. A good, brief intro into this area is

http://ocw.mit.edu/NR/rdonlyres/Electrical-Engineering-and-Computer-Science/...

(See Section 5.2.3.)

Is anyone else interested in pursuing this? Any other ideas?

Alex

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