Reindent long line

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extra : rebase_source : 84ac718bfcd270728b342544eff26eccb52a2c4e
Use calendra as workalendar will never support our use case.

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extra : rebase_source : 2f85f58df89b602fcf503bf38c42028520b856fc
Added tag 9.1 for changeset 56e24cbf8aa7