[Talk-GB] Welsh Street Map

[Andy Berry]

I have a spreadsheet containing a list of 1800 streets and the
official Welsh names agreed by Wrexham Council a number of years ago.
Ultimately I would like to produce a Welsh version of the OSM streets
in the area. Is there a way of adding the name:cy without manually
searching for each English name. I would not want to overwrite any
existing Welsh names.

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