RFR: clarify how to set the affects versions

[David Holmes]

On Thu, 15 Feb 2024 11:32:55 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> moved together information on how the set the affects version and the meaning of the (Rel)-na and (Rel)-wnf labelss
>
> src/guide/jbs-jdk-bug-system.md line 106:
> 
>> 104: 
>> 105: - use the label to indicate that a bug is not relevant to an earlier release, for example<br>[Affects Version]{.jbs-field}: `11.0.20, 17`<br> the label [8-na]{.jbs-label} would not be needed - as it doesn't have a JDK 8 release, or earlier, value in the [Affects Versions]{.jbs-field}, it is not relevant to JDK 8
>> 106: - add multiple -na labels: you only need one, for example `9-na, 10-na` is not need as [9-na]{.jbs-label} implies any following releases
> 
> Suggestion:
> 
> - use the label to indicate that a bug is not relevant to an earlier release, for example<br>[Affects Version]{.jbs-field}: `11.0.20, 17`<br> the label [8-na]{.jbs-label} would not be needed - as it doesn't have a JDK 8 release, or earlier, value in the [Affects Versions]{.jbs-field}, it is not relevant to JDK 8
> - add multiple `-na` labels: you only need one, for example `9-na, 10-na` is not need as [9-na]{.jbs-label} implies any following releases

s/not need/not needed/

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PR Review Comment: https://git.openjdk.org/guide/pull/119#discussion_r1495302896