[issue37850] Console: holding right arrow key reproduces entire previous input

[Matthijs Blom]

New submission from Matthijs Blom <m4tthijsbl0m at gmail.com>:

To reproduce (on Windows):
On the console, enter some input:

    >>> "Ozewiezewoze wiezewalla kristalla"
    "Ozewiezewoze wiezewalla kristalla"

Next, hold the right arrow key, obtaining:

    >>> "Ozewiezewoze wiezewalla kristalla"

One can subsequently delete sections of this line and again reproduce (last parts of) the previous input.

I have produced this result on 3.4, 3.8.0b3 and master (077af8c).
I did not observe this behaviour on WSL, which is why I think this is a bug.

----------
components: Windows
messages: 349679
nosy: Matthijs Blom, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: Console: holding right arrow key reproduces entire previous input
type: behavior
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37850>
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