Re: [rfc-i] Immutability (was: on Rfced-future)

John Levine <johnl@taugh.com> Mon, 06 April 2020 02:58 UTC

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From: "John Levine" <johnl@taugh.com>
To: rfc-interest@rfc-editor.org
In-Reply-To: <0c039295-8932-47ad-b703-e7c528ee4e0b@www.fastmail.com>
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Subject: Re: [rfc-i] Immutability (was: on Rfced-future)
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In article <0c039295-8932-47ad-b703-e7c528ee4e0b@www.fastmail.com> you write:
>So you might infer from this that it is acceptable to change the way in which XML elements are structured in
>a way that does not change text, but instead only changes the types of elements and their attributes.  But
>it is sometimes the case that XML attributes carry semantics.

What I had in mind in that case was that the semantics however expressed wouldn't
change.  I completely agree that there are lots of markup changes that have semantic
meaning.

However, ...

>> If there isn't a v3.n sub-version number in the XML files today, there 
>> certainly should be.</heresyAlert>
>
>Is the date insufficient?  That is, we could decide to process a document by pretending that we have the
>limited knowledge and tools of the date of publication.

If we're going to bite the bullet and join the world of updatable
documents, we might as well use version numbers like everyone else
does.

Who knows, we might even be like the IEEE and do revisions (not just
errata) where they keep the document number and update the version
number.  Seems to work OK.

R's,
John
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