Follow up to ad393bee.

Regression in f48bc7c3.

Thanks Tom Aratyn for the report.

English words aren't removed if non-ASCII chars are present.

Fixed by 9ec7d8e5.

Thanks Fraser Nevett for the report and Tim Graham for patch edits.

Thanks Ramin Farajpour Cami for the report.

This will be a more useful regression test after refs #27515.

Thanks to Rachel Tobin for the initial __qualname__ work and tests.

As per c651331b.