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9fans / plan9port

Plan 9 from User Space
https://9fans.github.io/plan9port/
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src/cmd/acme: provide info on presense or absence of undo history #528

Closed rogpeppe closed 2 years ago

rogpeppe commented 2 years ago

It's sometimes useful to know whether there's been editing activity in a window. This PR adds that information to the ctl file.

Change-Id: I21a342ac636dd5c7701b3ed560e3526867329c2c