From static void overrideControlCharacters() in Font.cpp:
This is bogus.
Also, this is becoming much more prominent now because a lot of the French unit formatting data in CLDR - and hence in e.g. NSMeasurementFormatter - uses 202F between numeric value and unit, e.g. "37 km"
It works in native content on macOS, and in all other browsers on macOS, but not in WebKit.
Created attachment 404899 [details]
Created attachment 404903 [details]
Committed r264714: <https://trac.webkit.org/changeset/264714>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 404903 [details].