RFR: 596: Allow short-hand syntax for /label command

[Guoxiong Li]

On Tue, 7 Dec 2021 14:35:38 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> Hi all,
>> 
>> This patch adds the short-hand syntax for `/label` command. The short-hand syntax makes the users easily add and remove the labels in one comment.
>> 
>> Some example:
>> 
>> Add a label: `/label +labelName`
>> Remove a label: `/label -labelName`
>> Mixed: `/label +labelName, -labelName2`
>> Mixed: `/label labelName, +labelName2, -labelName3`
>> 
>> 
>> And the test cases are added.
>> 
>> Thanks for taking the time to review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> Marked as reviewed by erikj (Lead).

@erikj79 Thanks for the review. Could I get your help to sponsor this patch?

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PR: https://git.openjdk.java.net/skara/pull/1255