President Emmanuel Macron of France complimented China’s top leader on the “very fragrant tea.” President Xi Jinping recalled “taking notes in order to understand” when he visited his father, then governor of the southeastern Guangdong province, in 1978. He also observed, extolling Chinese economic development, that the province now has “four cities with more than 10 million people.”It was an exchange of remarkable intimacy, the two leaders, tieless, sharing pleasantries in what was once the official residence of Mr. Xi’s father. The conversation came at the end of a three-day visit by Mr. Macron that was notable for the exceptional attention showered on him, and for the commitment in a concluding joint statement to a “global strategic partnership.”What exactly that will mean — beyond the commitments to the development of civilian nuclear power stations, the transition to carbon-neutral economies, sales of Europe’s Airbus aircraft and the promotion of pork exports — is not altogether clear. But at a time when Sino-American relations are in a deep freeze, Mr. Macron staked out an independent European position, and both leaders repeatedly lauded a “multipolar world,” thinly disguised code for one that is not American dominated.

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