After a failed merge, show refs that touch files having a
conflict and don't exist on all heads to merge.
+--relative-date::
+ Show dates relative to the current time, e.g. "2 hours ago".
+ Only takes effect for dates shown in human-readable format,
+ such as when using "--pretty".
+
Author
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Written by Linus Torvalds <torvalds@osdl.org>