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test-compat: merge mercurial-4.8 into mercurial-4.7 mercurial-4.7
Mon, 02 Dec 2019 14:44:00 +0100, by Pierre-Yves David
test-compat: merge mercurial-4.9 into mercurial-4.8 mercurial-4.8
Mon, 02 Dec 2019 14:43:25 +0100, by Pierre-Yves David

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