Fix for xarray coordinate validation #5169
Merged
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The new validation for xarray coordinates introduced in #5140 did not consider coordinates which are either an alias of an existing coordinate or that share the same indexing as an existing coordinate, e.g. in the test case below:
the
lat1
coordinates simply provides alternate indexing along thelat
dimension so as long as eitherlat1
orlat
is specified we should allow it.