The error in your text editor is still there.
Thanks for your reply. A misunderstanding developed - you gained the impression that I was pasting in text from somewhere else.
I was talking about opening a reply or a new message, and simply typing. The error is still there as I am typing now. The letters I ype a the far right of the page "submarine" under the blue bar immediately to the right of the white typing space.
This error appeared after your last software updates. Those updaes introduced an error which eliminated the "Submt" and "Preview" buttons from the reply screen - and you fixed that error.
Unfortunately, in the process, this new error of text being inivisble, when typing new text in (not pasting) and the text reaches the RHS, this new error was introduced.
Let us know what you find! Thanks.