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Your form's style (colors, font, etc...) can be locale specific. This enables the form designer to select culturally appropriate colors based on the current locale and to match forms to websites that have also been localized using cultural fonts and colors. See locale specific themes  for full details.

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International Characters for Print View and Submission PDFs

You can add support for International characters for a form's Print view and submission PDFs using a custom theme. Refer to this documentation for the details.