Test other encodings than utf8

[nicolas-goudry]

Seeking help in order to test encoding option with other values than utf8.

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.