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I have an ACF field I made named author. Some of the author names in the text are Spanish. They display perfectly everywhere except in the filters. The author name “Andrés Vázquez de Prada” shows in the filters as “Andr?s V?zquez de Prada”, which of course is NOT a match to the real name in the system, so the filter shows the “Andr?s V?zquez de Prada” with a (0) next to it. How can I get the filters to work with the Spanish characters?