Could someone review the patch[1] providing genitive month names via mw.language? Previously, another patch[2] was supplied for merge by Gerrit that is dependent on my patch. The second patch fixes table sorting for date columns in several languages which use genetive month names (like the Slavic family) and is actually very relevant.

Thank you in advance!

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[1] https://gerrit.wikimedia.org/r/#/c/36391/3

[2] https://gerrit.wikimedia.org/r/#/c/55496/
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