As title says, currently a capital P followed by a colon, :, results in P:, i.e. looking as if P were followed by a full stop instead of a colon. Edit: In thread titles, when typing it out, the same bug appears, but when posting the thread the bug disappears in the threaded view apparently, however it is still present when editing the thread, see attached screenshot: https://screenshotscdn.firefoxusercontent.com/images/f8422926-03ac-42d2-8409-2adf636471cf.png