issue_comments: 689770846

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https://github.com/pydata/xarray/issues/4120#issuecomment-689770846 https://api.github.com/repos/pydata/xarray/issues/4120 689770846 MDEyOklzc3VlQ29tbWVudDY4OTc3MDg0Ng== 5635139 2020-09-09T19:30:42Z 2020-09-09T19:30:42Z MEMBER

Also, I think _replace is a bit confusing: the name seems to imply a inplace operation, but it returns a new object without changing the original object.

I think this mea culpa IIRC... I would be very open to consolidating this and .copy into something that returns a (generally shallow) copy of the object with some optional replacements. (The general approach is better than calling a constructor with every attribute, even if the names are not great)

 
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