Brent Simmons f9b3eeb4d7 Switch macOS deployment target to 10.13. Get MarkAllReadCommand working as an undoable command.

2017-10-29 11:14:10 -07:00

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MarkAllReadCommand.swift

Switch macOS deployment target to 10.13. Get MarkAllReadCommand working as an undoable command.

2017-10-29 11:14:10 -07:00