Terry J. Reedy added the comment:
I presume this is on macOS, with its finicky tk. Have you 'upgraded' to
Catalina? I have not, that I know of. I will try 3.8.0rc1 on my MacBook Air
tomorrow.
1. Jumps. All the way to before the beginning "Python 3.8..." splash line?
How long is long?
New submission from Raymond Hettinger :
I've been exercising the 3.8.0rc1 version of IDLE and noticed two anomalies but
have not had a chance to investigate further:
* Periodically in a long shell session, the cursor jumps to the beginning of
the cumulative text output. This necessitates a l
