kio_tar - en to fy translation catalogue (2 entries)

en: Could not open the file, probably due to an unsupported file format.
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fy: Koe de triem net iepenje, mooglik om't in net-stipe triemformaat
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en: The archive file could not be opened, perhaps because the format is unsupported.
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fy: De argyftriem koe net iepene wurde, mooglik om't it formaat net stipe wurdt.
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