revset: clarify heads() order doesn't matter while computing common ancestors

Authored by yuja.

Description

revset: clarify heads() order doesn't matter while computing common ancestors

Follows up 5460926352ee and 52f19a840543.

Details

Committed
yujaJul 10 2018, 10:01 AM
Parents
rHGb93dc48e74ad: hghave: require clang-format >= 6 due to output change
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