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Wen Hui authored
These commands take a list of members, which can be empty (i.e. running the command with just a key name). this always results in an empty array reply, so it doesn't make much sense, but changing it is a breaking change. This PR fixes the documentation, making the member field as optional, just makes sure the command format documentation is consistent with the command behavior. The command format will be: 127.0.0.1:6381> GEOPOS key [member [member ...]] 127.0.0.1:6381> GEOHASH key [member [member ...]]
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