Tom Lane <t...@sss.pgh.pa.us> wrote:
> On 2021-May-07, Alvaro Herrera <alvhe...@alvh.no-ip.org> wrote:
>> I think there's more to this than just changing or removing the version
>> number; a better approach might be to update the documentation so that
>> it matches what current versions do.

>Yeah.  The reason why a specific version is mentioned is exactly that
>the details tend to change.

Thanks for your kindly explanation on the usage of version number in Doc.
In fact, I noticed the different context in the examples among different PG 
version like "increment sort" which was newly introduced in PG13. 
The fix I mentioned at the previous mail(change "using 9.3 development sources" 
to " using current development sources") is meant to tell users to refer to the 
"current" PG source. E.G. when a user looks at PG13.2's doc, "current" = PG13.2.
Since I do think your advice on the fix is more reasonable and friendly, I 
followed your hint to modify the Doc in the attached patch.
Please tell me if there's anything else insufficient.

Regards,
Tang

Attachment: 0001-Using-current-version-in-Using-EXPLAIN-Doc.patch
Description: 0001-Using-current-version-in-Using-EXPLAIN-Doc.patch

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