On iOS 13 (not earlier versions), locate a form field on the Archive with a character counter. The "Report Abuse" page is a good one for this because it has a field with a character counter ("Brief summary of Terms of Service violation") and some others without.
Type a few words and then hit space twice.
Two spaces are inserted.
What should happen:
It should insert a period and then a space, like it does if you type in a field without a character counter.