RFR: 8271356: Modify jdb to treat an empty command as a repeat of the previous command [v5]

[Chris Plummer]

On Tue, 19 Oct 2021 21:16:03 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> Hi Jacob, this is not your fault, but the "zz help text" in the Chinese and Japanese versions are in a single huge line. This makes it impossible to see what you have changed in the GitHub diffs, and impossible to tell whether you made any typos in the process.

I'd suggest you just undo the change. As mentioned earlier, localization is not your responsibility, and this lack of localization won't cause jdb to not run properly. It will just be missing some help text.

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