No.

On 5/13/25 3:00 PM, Alexis Rossi wrote:
> Hello,
> 
> This is a long one, so let me state my goal up front. I am trying to
> ascertain whether there is community interest in trying to make sure future
> RFCs can be fully read and understood without relying on information in
> imagery (SVG or ASCII). This is an accessibility issue, but I think it also
> may be helpful for people who learn in different ways. We are not talking
> about trying to address this in older RFCs, just new ones.
> 
> If there is interest in this, I think the path we would take would be to
> have an IETF working group attempt to address the issue.
> 
> * Background
> 
> The RSWG is currently working on replacing RFC 7996, which allowed the use
> of SVGs in RFCs. (We would like to make creating SVGs easier for the
> community.)
> 
> RFC 7996 contains the following language in the introduction:
> 
> "Note that in RFCs, the text provides normative descriptions of protocols,
> systems, etc. Diagrams may be used to help explain concepts more clearly,
> but they provide supporting details and should not be considered to be
> complete specifications in themselves."
> 
> The RSWG draft [1] that has been adopted for the replacement of 7996
> currently has similar but stronger language (though softer language has
> been suggested in thread), and this has lead to a discussion about
> normative info in imagery:
> https://mailarchive.ietf.org/arch/msg/rswg/E4eBJEmlTo5nX7ITYFvIvjKa2ec/
> 
> * Thread Discussion Summary
> 
> Some people think that we already have the general idea in the community
> that the text should be normative, and that imagery should be a helpful
> illustration of the text. (So you could have normative info in an image,
> but that shouldn't be the ONLY place where it exists.) Other than the above
> text in RFC7996, this seems to be "folklore" or a generally accepted but
> not documented norm. Additionally, the point has been made that 7996 is an
> Informational IAB document (so does not have IETF consensus), and shouldn't
> govern how the IETF uses imagery.
> 
> Others have made the point that this has never been an accepted norm for
> ASCII art. We haven't found a citation that says otherwise (other than
> 7996). And it seems that in regards to packet diagrams specifically, BCP
> 22/RFC2360 Section 3.1 [2] actually tells us to put normative info into
> ASCII art.
> 
> Additionally, in discussing whether it is even possible to have all
> normative information in the text, some have asserted (and others have
> refuted) that some types of information may be too difficult/onerous to
> represent fully in text, thus making a diagram/image the most reasonable
> place for the information.
> 
> * Accessibility
> 
> ASCII art is not accessible to people using screen readers. It is read as
> gobbledygook, essentially. ZSo generally there are three ways to make
> imagery accessible:
> 
> 1) provide adequate alt/desc text within the code to fully describe the
> content of a diagram/image to someone using a screen reader (SVG only)
> 2) use aria labels appropriately to allow a screenreader user to navigate
> the diagram (SVG only)
> 3) fully describe the normative information in the text (TXT has all the
> info needed outside of the ASCII art, and SVG points people to the text)
> 
> A fourth path has been suggested: using a formal language to describe
> diagrams. UML was suggested as a possibility. I have not yet found
> convincing evidence that UML alone is sufficiently accessible to people
> with visual disabilities.
> 
> So I think this leads me back to my goal for posting here. Is the community
> interested in supporting accessibility by trying to make sure future RFCs
> can be fully read and understood without relying on information in imagery?
> And thank you for reading this far!
> 
> Alexis
> 
> 
> [1] https://datatracker.ietf.org/doc/draft-editorial-rswg-svgsinrfcs/
> [2] https://www.rfc-editor.org/rfc/rfc2360.html#section-3.1
> 
> 
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-- 
Marc Petit-Huguenin
Email: [email protected]
Blog: https://medium.com/@petithug
Profile: https://www.linkedin.com/in/petithug

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