RFR: 8271356: Modify jdb to treat an empty command as a repeat of the previous command [v6]

[Jakob Cornell]

On Mon, 25 Oct 2021 19:50:54 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> Based on my local testing it appears the localization system falls back to the English values when entries are missing, so it appears the current behavior does already match what you've suggested.  However, I don't understand the mechanism that implements this fallback handling, so I'm not sure the behavior would be consistent across environments.  At least for now I'll add those entries back with the English translations copied, since that seems better.
>
>> Based on my local testing it appears the localization system falls back to the English values when entries are missing, so it appears the current behavior does already match what you've suggested. However, I don't understand the mechanism that implements this fallback handling, so I'm not sure the behavior would be consistent across environments. At least for now I'll add those entries back with the English translations copied, since that seems better.
> 
> Ok. That change looks good, but you need to update the copyright in those two files.

@plummercj Looks like this is all ready to go then.  Would you be willing to sponsor it for integration?

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PR: https://git.openjdk.java.net/jdk/pull/5290