<?xml version='1.0' encoding='utf-8'?> <!DOCTYPE rfc [ <!ENTITY nbsp " "> <!ENTITY zwsp "​"> <!ENTITY nbhy "‑"> <!ENTITY wj "⁠"> ]> <?xml-stylesheet type="text/xsl" href="rfc2629.xslt" ?> <!-- generated by https://github.com/cabo/kramdown-rfc version 1.7.29 (Ruby3.2.3)2.5.9) --> <rfc xmlns:xi="http://www.w3.org/2001/XInclude" ipr="trust200902" docName="draft-editorial-rswg-svgsinrfcs-04" category="info" submissionType="editorial" number="9896" obsoletes="7996" tocInclude="true" sortRefs="true" symRefs="true" version="3"> <!-- xml2rfc v2v3 conversion3.30.23.31.0 --> <link href="https://datatracker.ietf.org/doc/draft-editorial-rswg-svgsinrfcs-04" rel="prev"/> <front> <title>SVGs in RFCs</title> <seriesInfoname="Internet-Draft" value="draft-editorial-rswg-svgsinrfcs-04"/>name="RFC" value="9896"/> <author initials="A." surname="Rossi" fullname="Alexis Rossi"> <organization>RFC Series Consulting Editor</organization> <address> <email>rsce@rfc-editor.org</email> </address> </author> <author initials="N." surname="Brownlee" fullname="Nevil Brownlee"> <organization/> <address> <email>nevil.brownlee@gmail.com</email> </address> </author> <author initials="J." surname="Mahoney" fullname="Jean Mahoney"> <organization>RFC Production Center</organization> <address> <email>jmahoney@staff.rfc-editor.org</email> </address> </author> <author initials="M." surname="Thomson" fullname="Martin Thomson"> <organization/> <address> <email>mt@lowentropy.net</email> </address> </author> <date year="2025"month="September" day="17"/> <keyword>Internet-Draft</keyword>month="November"/> <keyword>SVG</keyword> <abstract> <?line58?>55?> <!-- [rfced] Abstract a) The Abstract does not explicitly mention that this document obsoletes RFC 7996. See the checklist in the "Abstract" section of https://authors.ietf.org/required-content. Please review and let us know how you would like to update. b) This sentence mentions the RPC being responsible for implementation decisions. Other instances in the document mention the RPC being responsible for decisions about both tooling and implementation. Are any updates needed? Original: It also makes the RFC Publication Center (RPC) responsible for implementation decisions regarding SVGs. Perhaps: It also makes the RFC Publication Center (RPC) responsible for decisions about SVG tooling and implementation. --> <!-- [rfced] Abstract/Introduction: Is "sets" the best word choice here? Would "defines" or something else be better? Also, will all readers know what the "definitive versions of RFCs and relevant publication formats" are? Would adding a citation or clarification be helpful in the Introduction? If so, please provide the appropriate citation or text. Original: This document sets policy for the inclusion of SVGs in the definitive versions of RFCs and relevant publication formats. ... This document sets policy for the inclusion of SVGs (Scalable Vector Graphics) in the definitive versions of RFCs and relevant publication formats. --> <t>This document sets policy for the inclusion of SVGs in the definitive versions of RFCs and relevant publication formats. It contains policy requirements from RFC 7996andbut removes all requirements related to using a specific SVG profile orspecificimplementation code. It also makes the RFC Publication Center (RPC) responsible for implementation decisions regarding SVGs.</t> </abstract><note removeInRFC="true"> <name>About This Document</name> <t> The latest revision of this draft can be found at <eref target="https://github.com/alexisannerossi/id-svgsinrfcs/blob/main/svgsinrfcs.md"/>. Status information for this document may be found at <eref target="https://datatracker.ietf.org/doc/draft-editorial-rswg-svgsinrfcs/"/>. </t> <t> Discussion of this document takes place on the RSWG Editorial Stream Working Group mailing list (<eref target="mailto:rswg@rfc-editor.org"/>), which is archived at <eref target="https://mailarchive.ietf.org/arch/browse/rswg/"/>. </t> <t>Source for this draft and an issue tracker can be found at <eref target="https://github.com/alexisannerossi/id-svgsinrfcs"/>.</t> </note></front> <middle> <?line62?>95?> <section anchor="introduction"> <name>Introduction</name> <t>This document sets policy for the inclusion ofSVGs (ScalableScalable VectorGraphics)Graphics (SVGs) in the definitive versions of RFCs and relevant publication formats. It contains policy requirements taken from <xref target="RFC7996"/>andbut removes all requirements related to using a specific SVG profile orspecificimplementation code.</t> <t>SVG has been developed byW3C,the World Wide Web Consortium (W3C); see <xref target="SVG"/>.</t> <t>The RFC Publication Center (RPC) is responsible for making decisions about SVG tooling andimplementation decisions. Theyimplementation. The RPC maywant touse the content of <xref target="RFC7996"/> as a starting point for those decisions, but they are not bound by <xreftarget="RFC7996"/> and theytarget="RFC7996"/>. In addition, the RPC may change elements of the implementation as needed to support the RFC authoring community as long as those changes are aligned with the policy requirements in this document.</t> </section> <section anchor="policy-requirements"> <name>Policy Requirements</name><t>SVG<!-- [rfced] Section 2: In the text below, how may we update "This includes"? It is not clear what "This" refers to. Original: * Images and diagrams in RFCs should be successfully rendered and understood by the widest audience possible. To that end, the RPC may prohibit the use of SVG features that are known to lack support on common devices, that do not render on small or low- resolution screens, or that could make diagrams less comprehensible for any significant readership. This includes: - SVGs must not contain pointers to external resources. - SVGs must not contain executable script. - SVGs should be as accessible as possible to people with visual disabilities, ... Perhaps: * Images and diagrams in RFCs should be successfully rendered and understood by the widest audience possible. To that end, the RPC may prohibit the use of SVG features that are known to lack support on common devices, that do not render on small or low- resolution screens, or that could make diagrams less comprehensible for any significant readership. In particular: - SVGs must not contain pointers to external resources. - SVGs must not contain executable script. - SVGs should be as accessible as possible to people with visual disabilities, ... Or: * Images and diagrams in RFCs should be successfully rendered and understood by the widest audience possible. To that end, the RPC may prohibit the use of SVG features that are known to lack support on common devices, that do not render on small or low- resolution screens, or that could make diagrams less comprehensible for any significant readership. For instance: - SVGs must not contain pointers to external resources. - SVGs must not contain executable script. - SVGs should be as accessible as possible to people with visual disabilities, ... --> <!-- [rfced] Section 2: FYI, we have updated the sentence below to clarify that SVGs should be consistent with the content of the RFC (rather than the text output file of the RFC). Original: At minimum, SVGs should be consistent with the text. Current: At minimum, SVGs should be consistent with the descriptions in the text of the RFC. --> <!-- [rfced] Section 2: This sentence mentions that decisions about SVG tooling and implementation are "made or overseen" by the RPC. The document mentions several times that the RPC is responsible for making decisions, but this is the only mention of "overseen" in the document. Please review and let us know if any updates are needed. Original: SVG tooling and implementation decisions are made or overseen by the RPC, and must adhere to the policy requirements in thisdocument.</t>document. --> <!-- [rfced] Section 2: We updated "rfcxml" to "RFCXML" in the first sentence below per RFC 9720. Would it be helpful to also include a citation to RFC 9720 or another reference here? Original: * Authors may include multiple versions of images or diagrams in rfcxml. Publication formats should present the versions best suited to each format. In many cases, that will be an SVG. Perhaps: * Authors may include multiple versions of images or diagrams in RFCXML [RFC9720]. Publication formats should present the versions best suited to each format. In many cases, that will be an SVG. --> <t>Decisions about SVG tooling and implementation are made or overseen by the RPC and must adhere to the policy requirements in this document:</t> <ul spacing="normal"> <li> <t>SVGs may be included in RFCs to help explain a concept more clearly, but they should not be the only representation of that concept. Agood faithgood-faith effort should be made toassureensure that descriptions of concepts--- which might include protocols, formats, or system architectures--- are fully represented in the text of the RFC. At minimum, SVGs should be consistent with thetext.</t>descriptions in the text of the RFC.</t> </li> <li> <t>SVGs must not include animation or interactive features. SVGs should include only limited reactive design elements (scaling, dark/light mode, and perhaps minor adjustments to allow for variations in display technology). The intent of this is to ensure that the diagram's meaning is not altered.</t> </li> <li> <t>Images and diagrams in RFCs should be successfully rendered and understood by the widest audience possible. To that end, the RPC may prohibit the use of SVG features that are known to lack support on common devices, that do not render on small or low-resolution screens, or that could make diagrams less comprehensible for any significant readership. This includes: </t> <ul spacing="normal"> <li> <t>SVGs must not contain pointers to external resources.</t> </li> <li> <t>SVGs must not contain executable script.</t> </li> <li> <t>SVGs should be as accessible as possible to people with visual disabilities, including those who have color blindness, those who need to scale or change fonts, and those who usescreen readingscreen-reading software. The RPC will refer to the W3C Accessibility Guidelines <xref target="WAI"/> when making decisions regarding accessibility.</t> </li> </ul> </li> <li> <t>Authors may include multiple versions of images or diagrams inrfcxml.RFCXML. Publication formats should present the versions best suited to each format. In many cases, that will be an SVG.</t> </li> <li> <t>SVG vocabulary and implementation may change over time. Changes are not required to remainbackwards-compatible,backwards compatible, although maintaining compatibility where possible is encouraged.</t> </li> </ul> <t>The RPC is authorized to place constraints on SVG usage in RFCs for both technical and editorial reasons in order to ensure that published RFCs meet the above policy and to provide consistency across the RFCseries.Series. The RPC must document the acceptable usage of SVGs, and all changes to decisions about SVG toolingorand implementationdecisionsmust be widely communicated to the RFC author community using mailing lists or other means.</t> </section> <section anchor="implementation-guidance"> <name>Implementation Guidance</name> <t>The RPC is expected to solicit community input before making decisions and to publicly explain their reasoning.</t> <t>Documentation produced by the RPC should describewhatthe technical and editorial constraints that apply to SVGs and provide RFC authors with guidance on how to produce diagrams that meetthesethose constraints.</t> <t>The RPC's implementation should strive to allow SVGs produced by widely used drawing tools. Where possible, implementation decisions should focus on specifying what isdisallowed,disallowed rather than attempting to specify exactly what is allowed.</t> <t>The RPC should periodically review and revise their practices.</t> </section> <section anchor="security-considerations"> <name>Security Considerations</name> <t>This document has no security considerations.</t> </section> <section anchor="iana-considerations"> <name>IANA Considerations</name> <t>This document has no IANA actions.</t> </section> </middle> <back> <references anchor="sec-informative-references"> <name>Informative References</name><reference anchor="RFC7996"> <front> <title>SVG Drawings for RFCs: SVG 1.2 RFC</title> <author fullname="N. Brownlee" initials="N." surname="Brownlee"/> <date month="December" year="2016"/> <abstract> <t>This document specifies SVG 1.2 RFC -- an SVG profile for use in diagrams that may appear in RFCs -- and considers some of the issues concerning the creation and use of such diagrams.</t> </abstract> </front> <seriesInfo name="RFC" value="7996"/> <seriesInfo name="DOI" value="10.17487/RFC7996"/> </reference><xi:include href="https://bib.ietf.org/public/rfc/bibxml/reference.RFC.7996.xml"/> <reference anchor="SVG" target="https://www.w3.org/TR/SVG/"> <front> <title>Scalable VectorGraphics</title>Graphics (SVG) 2</title> <author> <organization>W3C</organization> </author><date>n.d.</date><date/> </front> </reference> <reference anchor="WAI" target="https://www.w3.org/WAI/standards-guidelines/"> <front> <title>W3C Accessibility Standards Overview</title> <author> <organization>W3C</organization> </author><date>n.d.</date><date/> </front> </reference> </references> <?line 232?> <!-- [rfced] Please review the "Inclusive Language" portion of the online Style Guide <https://www.rfc-editor.org/styleguide/part2/#inclusive_language> and let us know if any changes are needed. Updates of this nature typically result in more precise language, which is helpful for readers. Note that our script did not flag any words in particular, but this should still be reviewed as a best practice. --> </back> <!-- ##markdown-source:H4sIAAAAAAAAA71YTY/cNhK961cQzmHtxbTaiBcbuE+enewaE8COMWNkjgtK olrMUKSWpFrTCfzf91WRUqvHHse7hxyMsSSSVfXeqw/2ZrMpoo5G7cTtL2+D 0Fbc/OsqFI2rrezxtvGyjRvV6Oi8lmbjw7TfhMM+aOvbOmxe/q04KDuqXSHE 3rtx2Imb27u3eIrHAfv/Oe8Ut9Er2Ys75++13Yu3tBjLeqnNTtCxb3BgtlQ6 v8c36etuJ7oYh7DbbmklvdEHVWoVW1q0pRfbyrspqC0dsiU/dOzGaieeSaMe dJDWKu9C0FvdrFx/hpVGRhUiVs420taydv32q5u3lXEVeWS3p5dl3zwrQpS2 +bc0ziL66EdVHHbiVeGq4IyCtZ344fXrvxd68Pw5xO9fvnz98vviftqJaxuV typufiTUi1rCNW1bV4Sx6jWccPYjo7rwUdyr4+R8A/g3xGAhx9g5T2xs8E9g OyxeluKGYuA3iddLjm71GmBKq3+TEUZ2JAJxq7xWQVw5G0YTibNEJi9XM2+1 +py3len3pfgH2LFGqZX19+qgzfmHM/trE5bWllVe+2ZPb4mgczs/leKd7AD6 cWXmJyXt2evPg/zgXTPW9CyuFMG/Nv1rn/a+AaltW34tznel+Ni5Pji7sv9O euB29uHJMPv4xrgJLng3HEuIoCis8z0WHpBcRUE6WB4F+U46ov+C9nTSifts aSfuXl3x45zjtTSyMkr8omqEgSSUQ6frkNZIv1fxlG/TNJXTK86yjzdbWKHc 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