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Obsoleted by:9720 INFORMATIONAL
Internet Architecture Board (IAB)                            H. FlanaganRequest for Comments: 7990                                    RFC EditorCategory: Informational                                    December 2016ISSN: 2070-1721RFC Format FrameworkAbstract   In order to improve the readability of RFCs while supporting their   archivability, the canonical format of the RFC Series will be   transitioning from plain-text ASCII to XML using the xml2rfc version   3 vocabulary; different publication formats will be rendered from   that base document.  With these changes comes an increase in   complexity for authors, consumers, and the publisher of RFCs.  This   document serves as the framework that provides the problem statement,   lays out a road map of the documents that capture the specific   requirements, and describes the transition plan.Status of This Memo   This document is not an Internet Standards Track specification; it is   published for informational purposes.   This document is a product of the Internet Architecture Board (IAB)   and represents information that the IAB has deemed valuable to   provide for permanent record.  It represents the consensus of the   Internet Architecture Board (IAB).  Documents approved for   publication by the IAB are not a candidate for any level of Internet   Standard; seeSection 2 of RFC 7841.   Information about the current status of this document, any errata,   and how to provide feedback on it may be obtained athttp://www.rfc-editor.org/info/rfc7990.Copyright Notice   Copyright (c) 2016 IETF Trust and the persons identified as the   document authors.  All rights reserved.   This document is subject toBCP 78 and the IETF Trust's Legal   Provisions Relating to IETF Documents   (http://trustee.ietf.org/license-info) in effect on the date of   publication of this document.  Please review these documents   carefully, as they describe your rights and restrictions with respect   to this document.Flanagan                      Informational                     [Page 1]

RFC 7990                  RFC Format Framework             December 2016Table of Contents1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .32.  Problem Statement . . . . . . . . . . . . . . . . . . . . . .33.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .44.  Overview of the Decision-Making Process . . . . . . . . . . .45.  Key Changes . . . . . . . . . . . . . . . . . . . . . . . . .66.  Canonical Format Documents  . . . . . . . . . . . . . . . . .66.1.  XML for RFCs  . . . . . . . . . . . . . . . . . . . . . .67.  Publication Format Documents  . . . . . . . . . . . . . . . .87.1.  HTML  . . . . . . . . . . . . . . . . . . . . . . . . . .87.2.  PDF . . . . . . . . . . . . . . . . . . . . . . . . . . .87.3.  Plain Text  . . . . . . . . . . . . . . . . . . . . . . .97.4.  Potential Future Publication Formats  . . . . . . . . . .97.4.1.  EPUB  . . . . . . . . . . . . . . . . . . . . . . . .98.  Figures and Artwork . . . . . . . . . . . . . . . . . . . . .98.1.  SVG . . . . . . . . . . . . . . . . . . . . . . . . . . .99.  Content and Page Layout . . . . . . . . . . . . . . . . . . .109.1.  Non-ASCII Characters  . . . . . . . . . . . . . . . . . .109.2.  Style Guide . . . . . . . . . . . . . . . . . . . . . . .109.3.  CSS Requirements  . . . . . . . . . . . . . . . . . . . .1010. Transition Plan . . . . . . . . . . . . . . . . . . . . . . .1010.1.  Statement of Work and RFP for Tool Development . . . . .1010.2.  Testing and Transition . . . . . . . . . . . . . . . . .1010.3.  Completion . . . . . . . . . . . . . . . . . . . . . . .1211. Security Considerations . . . . . . . . . . . . . . . . . . .1212. References  . . . . . . . . . . . . . . . . . . . . . . . . .1212.1.  Normative References . . . . . . . . . . . . . . . . . .1212.2.  Informative References . . . . . . . . . . . . . . . . .13   IAB Members at the Time of Approval . . . . . . . . . . . . . . .15   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .15   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .16Flanagan                      Informational                     [Page 2]

RFC 7990                  RFC Format Framework             December 20161.  Introduction   "RFC Series Format Requirements and Future Development" [RFC6949]   discusses the need to improve the display of items such as author   names and artwork in RFCs as well as the need to improve the ability   of RFCs to be displayed properly on various devices.  Based on the   discussions with communities of interest, such as the IETF, the RFC   Series Editor decided to explore a change to the format of the Series   [XML-ANNOUNCE].  This document serves as the framework that describes   the problems being solved and summarizes the documents created to-   date that capture the specific requirements for each aspect of the   change in format.   Key changes to the publication of RFCs are highlighted, and a   transition plan that will take the Series from a plain text, ASCII-   only format to the new formats is described on the rfc-interest   mailing list [RFC-INTEREST].   This document is concerned with the production of RFCs, focusing on   the published formats.  It does not address any changes to the   processes each stream uses to develop and review their submissions   (specifically, how Internet-Drafts will be developed).  While I-Ds   have a similar set of issues and concerns, directly addressing those   issues for I-Ds will be discussed within each document stream.   The details described in this document are expected to change based   on experience gained in implementing the new publication toolsets.   Revised documents will be published capturing those changes as the   toolsets are completed.  Other implementers must not expect those   changes to remain backwards compatible with the details described in   this document.2.  Problem Statement   There are nearly three billion people connected to the Internet   [ISTATS] and individuals from at least 45 countries have regularly   attended IETF meetings over the last five years.  The Internet is now   global, and while the world has changed from when the first RFCs were   published, the Series remains critical to defining protocols,   standards, best practices, and more for this global network that   continues to grow.  In order to make RFCs easily viewable to the   largest number of people possible, across a wide array of devices,   and to respect the diversity of authors and reference materials while   still recognizing the archival aspects of the Series, it is time to   update the tightly prescribed format of the RFC Series.Flanagan                      Informational                     [Page 3]

RFC 7990                  RFC Format Framework             December 2016   All changes to the format of the RFC Series must be made with   consideration to the requirements of a wide set of communities over   an extended length of time.  Examples of the preferences and specific   needs are those of existing authors and implementers, lawyers that   argue Intellectual Property Rights (IPR), educators, managers, and   policymakers that need to know what to list in potential Request for   Proposals (RFPs) for their organizations.  The immediate needs of   today's communities must be balanced with the needs for long-term   archival storage.3.  Terminology   This document uses terminology fromRFC 6949, repeated below for   convenience.      ASCII: Coded Character Set - 7-bit American Standard Code for      Information Interchange, ANSI X3.4-1986 [ASCII]      Canonical format: the authorized, recognized, accepted, and      archived version of the document      Metadata: information associated with a document so as to provide,      for example, definitions of its structure, or of elements within      the document such as its topic or author      Publication format: display and distribution format as it may be      read or printed after the publication process has completed      Reflowable text: text that automatically wraps to the next line in      a document as the user moves the margins of the text, either by      resizing the window or changing the font size      Revisable format: the format that will provide the information for      conversion into a Publication format; it is used or created by the      RFC Editor      Submission format: the format submitted to the RFC Editor for      editorial revision and publication4.  Overview of the Decision-Making Process   Requirements, use cases, concerns, and suggestions were collected   from the communities of interest at every stage of the project to   update the RFC format.  Input was received through the rfc-interest   mailing list, as well as in several face-to-face sessions at IETF   meetings.  Regular conversations were held with the Chairs of the   IETF, IRTF, IAB, and IAOC as well as the Independent Stream Editor to   discuss high-level stream requirements.  Updates regarding the statusFlanagan                      Informational                     [Page 4]

RFC 7990                  RFC Format Framework             December 2016   of the project were provided to the IETF community during the IETF   Technical Plenary as well as Format BoFs or IAB sessions at several   IETF meetings [IETF84] [IETF85] [IETF88] [IETF89] [IETF90].   The output from the first year of discussion on the topic of RFC   format was published asRFC 6949, which provided the first solid   documentation on the requirements for the Series.RFC 6949 is a   product of the IAB stream (following the process described in   "Process for Publication of IAB RFCs" [RFC4845]).  This is also the   case with all of the RFCs that informed the format update work.   After the high-level requirements were published, the RFC Series   Editor (RSE) brought together an RFC Format Design Team to start   working out the necessary details to develop the code needed to   create new and changed formats.  The Design Team discussed moving   away from the existing xml2rfc vocabulary, but with such a strong   existing support base within the community and no clear value with   other XML vocabularies or schemas, the decision was made to work with   the xml2rfc version 2 (xml2rfc v2) [RFC7749] model and use it as the   base for the new format environment.  Part of this discussion   included a decision to stop using an XML document type definition   (DTD) in favor of a Regular Language for XML Next General (RELAX NG)   model using a defined vocabulary.  While the biweekly calls for this   team were limited to Design Team members, review of the decisions as   documented in the documents produced by this team was done publicly   through requests for feedback on the rfc-interest mailing list.   Several of the documents produced by the Design Team, including those   on xml2rfc v2 [RFC7749] and v3 [RFC7991] and the SVG profile   [RFC7996], were sent through an early GenART review [GEN-ART] before   starting the process to be accepted by the IAB stream.   While the IETF community provided the majority of input on the   process, additional outreach opportunities were sought to gain input   from an even broader audience.  Informal discussions were held with   participants at several International Association of Scientific,   Technical, and Medical Publisher events [STM], and presentations made   at technical conferences such as the TERENA Networking Conference   2014 [TNC2014] and NORDUnet 2014 [NDN2014].   In order to respond to concerns regarding responses to subpoenas and   to understand the legal requirements, advice was requested from the   IETF Trust legal team regarding what format or formats would be   considered reasonable when responding to a subpoena request for an   RFC.   Given that several other standards development organizations (SDOs)   do not offer plain-text documents, and in fact may offer more than   one format for their standards, informal input was sought from themFlanagan                      Informational                     [Page 5]

RFC 7990                  RFC Format Framework             December 2016   regarding their experience with supporting one or more non-plain-text   formats for their standards.   Finally, the entire process was reviewed regularly with the RFC   Series Oversight Committee [RSOC] and regular updates provided to the   IAB and IESG.  They have offered support and input throughout the   process.   Where consensus was not reached during the process, the RSE made any   necessary final decisions, as per the guidance in "RFC Editor Model   (Version 2)" [RFC6635].5.  Key Changes   At the highest level, the changes being made to the RFC format   involve breaking away from solely ASCII plain text and moving to a   canonical format that includes all the information required for   rendering a document into a wide variety of publication formats.  The   RFC Editor will become responsible for more than just the plain-text   file and the PDF-from-text format created at time of publication; the   RFC Editor will be creating several different formats in order to   meet the diverse requirements of the community.   The final XML file produced by the RFC Editor will be considered the   canonical format for RFCs; it is the lowest common denominator that   holds all the information intended for an RFC.  PDF/A-3 will be the   publication format offered in response to subpoenas for RFCs   published through this new process and will be developed with an eye   towards long-term archival storage.  HTML will be the focus of   providing the most flexible set of features for an RFC, including   JavaScript to provide pointers to errata and other metadata.  Plain   text will continue to be offered in order to support existing tool   chains, where practicable, and the individuals who prefer to read   RFCs in this format.6.  Canonical Format Documents6.1.  XML for RFCs   Key points regarding the XML format:   o  The canonical format for RFCs is XML using the xml2rfc version 3      (xml2rfc v3) vocabulary.  The XML file must contain all      information necessary to render a variety of formats; any question      about what was intended in the publication will be answered from      this format.Flanagan                      Informational                     [Page 6]

RFC 7990                  RFC Format Framework             December 2016   o  Authors may submit documents using the xml2rfc v2 vocabulary, but      the final publication will be converted to use the xml2rfc v3      vocabulary.   o  SVG is supported and will be embedded in the final XML file.   o  There will be automatically generated identifiers for sections,      paragraphs, figures, and tables in the final XML file.   o  The XML file will not contain any xml2rfc v3 vocabulary elements      or attributes that have been marked deprecated.   o  A DTD will no longer be used.  The grammar will be defined using      RELAX NG [RNC].   o  The final XML file will contain, verbatim, the appropriate      boilerplate as applicable at time of publication specified byRFC7841 [RFC7841] or its successors.   o  The final XML will be self-contained with all the information      known at publication time.  For instance, all features that      reference externally defined input will be expanded.  This      includes all uses of xinclude, src attributes (such as in      <artwork> or <sourcecode> elements), include-like processing      instructions, and externally defined entities.   o  The final XML will not contain comments or processing      instructions.   o  The final XML will not contain src attributes for <artwork> or      <sourcecode> elements.   [RFC7749] describes the xml2rfc v2 vocabulary.  While in wide use at   the time of writing, this vocabulary had not been formally documented   prior to the publication ofRFC 7749.  In order to understand what   needed to change in the vocabulary to allow for a more simple   experience and additional features for authors, the current   vocabulary needed to be fully described.RFC 7749 will be obsoleted   by [RFC7991].   [RFC7991] describes the xml2rfc v3 vocabulary.  The design goals were   to make the vocabulary more intuitive for authors and to expand the   features to support the changes being made in the publication   process.  It obsoletesRFC 7749.Flanagan                      Informational                     [Page 7]

RFC 7990                  RFC Format Framework             December 20167.  Publication Format Documents7.1.  HTML   [RFC7992] describes the semantic HTML that will be produced by the   RFC Editor from the xml2rfc v3 files.   Key points regarding the HTML output:   o  The HTML will be rendered from the XML file; it will not be      derived from the plain-text publication format.   o  The body of the document will use a subset of HTML.  The documents      will include Cascading Style Sheets (CSS) for default visual      presentation; it can be overwritten by a local CSS file.   o  SVG is supported and will be included in the HTML file.   o  Text will be reflowable.   o  JavaScript will be supported on a limited basis.  It will not be      permitted to overwrite or change any text present in the rendered      HTML.  It may, on a limited basis, add text that provides post-      publication metadata or pointers, if warranted.  All such text      will be clearly marked as additional.7.2.  PDF   [RFC7995] describes the tags and profiles that will be used to create   the new PDF format, including both the internal structure and the   visible layout of the file.  A review of the different versions of   PDF is offered, with a recommendation of what PDF standard should   apply to RFCs.   Key points regarding the PDF output:   o  The PDF file will be rendered from the XML file; it will not be      derived from the plain-text publication format.   o  The PDF publication format will conform to the PDF/A-3 standard      and will embed the canonical XML source.   o  The PDF will look more like the HTML publication format than the      plain-text publication format.   o  The PDF will include a rich set of tags and metadata within the      document.Flanagan                      Informational                     [Page 8]

RFC 7990                  RFC Format Framework             December 2016   o  SVG is supported and will be included in the PDF file.7.3.  Plain Text   [RFC7994] describes the details of the plain-text format; in   particular, it focuses on what is changing from the existing plain-   text output.   Key points regarding the plain-text output:   o  The plain-text document will no longer be the canonical version of      an RFC.   o  The plain-text format will be UTF-8 encoded; non-ASCII characters      will be allowed.   o  A Byte Order Mark (BOM) will be added at the start of each file.   o  Widow and orphan control [TYPOGRAPHY] for the plain-text      publication format will not have priority for the developers      creating the rendering code.   o  Authors may choose to have pointers to line art in other      publication formats in place of ASCII art in the .txt file.   o  An unpaginated plain-text file will be created.   o  Running headers and footers will not be used.7.4.  Potential Future Publication Formats7.4.1.  EPUB   This format is intended for use by ebook readers and will be   available for RFCs after the requirements have been defined.  No   document on this topic is currently available.8.  Figures and Artwork8.1.  SVG   [RFC7996] describes the profile for SVG line art.  SVG is an XML-   based vocabulary for creating line drawings; SVG information will be   embedded within the canonical XML at the time of publication.Flanagan                      Informational                     [Page 9]

RFC 7990                  RFC Format Framework             December 20169.  Content and Page Layout9.1.  Non-ASCII Characters   There are security and readability implications to moving outside the   ASCII range of characters.  [RFC7997] focuses on exactly where and   how non-ASCII characters may be used in an RFC, with an eye towards   keeping the documents as secure and readable as possible, given the   information that needs to be expressed.9.2.  Style Guide   The RFC Style Guide [RFC7322] was revised to remove as much page   formatting information as possible, focusing instead on grammar,   structure, and content of RFCs.  Some of the changes recommended,   however, informed the XML v3 vocabulary.9.3.  CSS Requirements   [RFC7993] describes how the CSS classes mentioned in "HyperText   Markup Language Request for Comments Format" should be used to create   an accessible and responsive design for the HTML format.10.  Transition Plan10.1.  Statement of Work and RFP for Tool Development   Existing tools for the creation of RFCs will need to be updated, and   new tools created, to implement the updated format.  As the   requirements-gathering effort, described in the various documents   described earlier in this document, finishes the bulk of the work,   the Tools Development Team of the IETF will work with the RSE to   develop Statements of Work (SoWs).  Those SoWs will first be reviewed   within the Tools Development Team and the Tools Management Committee,   and it will then go out for a public comment period.  After public   review, the SoWs will be attached to an RFP and posted as per the   IETF Administrative Support Activity (IASA) bid process [IASA-RFP].   Once bids have been received, reviewed, and awarded, coding will   begin.10.2.  Testing and Transition   During the I-D review and approval process, authors and stream-   approving bodies will select drafts to run through the proposed new   publication process.  The RFC Editor will process these documents   after they have been approved for publication using xml2rfc v2 and   will simultaneously test the selected I-Ds with the xml2rfc v3Flanagan                      Informational                    [Page 10]

RFC 7990                  RFC Format Framework             December 2016   process and tools.  While the final RFCs published during this time   will continue as plain text and immutable once published, the   feedback process is necessary to bootstrap initial testing.  These   early tests will target finding issues with the proposed xml2rfc v3   vocabulary that result in poorly formed publication formats as well   as issues that prevent proper review of submitted documents.   Feedback will result in regular iteration of the basic code and XML   vocabulary.  In order to limit the amount of time the RFC Production   Center (RPC) spends on testing and quality assurance (QA), their   priority will be to edit and publish documents; therefore, community   assistance will be necessary to help move this stage along.  A   mailing list and experimental source directory on the RFC Editor   website will be created for community members willing to assist in   the detailed review of the XML and publication formats.  Editorial   checks of the publication formats by the community are out of scope;   the focus will be the QA of each available output, checking for   inconsistencies across formats.   The purpose of the testing phase is to work with the community to   identify and fix bugs in the process and the code before producing   canonical, immutable XML, and to collect additional feedback on the   usability of the new publication formats.   Any modifications to the document review process, up to and including   AUTH48, will happen with the community and the stream-approving   bodies as we learn more about the features and outputs of the new   publication tools.  Defining those processes is out of scope for this   document.   Success will be measured by the closure of all bugs identified by the   RPC and the Tools Development Team as fatal in addition to reaching   rough consensus with the community on the readiness of the XML   vocabulary and final output files for publication.  The actual   rendering engine can go through further review and iteration, as the   publication formats may be republished as needed.   Authors are not required to submit their approved drafts to the RFC   Editor in an XML format, though they are strongly encouraged to do   so; plain text will also remain an option for the foreseeable future.   However, documents submitted as plain text cannot include such   features as SVG artwork.  The RPC will generate an XML file if   necessary for basic processing and subsequent rendering into the   approved output formats.   A known risk at this point of the transition is the difficulty in   quantifying the resources required from the RPC.  This phase will   require more work on the part of the RPC to support both old and newFlanagan                      Informational                    [Page 11]

RFC 7990                  RFC Format Framework             December 2016   publication processes for at least six months.  There is potential   for confusion as consumers of RFCs find some documents published at   this time with a full set of outputs, while older documents only have   plain text.  There may be a delay in publication as new bugs are   found that must be fixed before the files can be converted into the   canonical format and associated publication formats.10.3.  Completion   Authors may submit XML (preferred) or plain-text files.  The XML   files submitted for publication will be converted to canonical XML   format and published with all available publication formats.  All   authors will be expected to review the final documents as consistent   with the evolving procedures for reviewing documents.   Success for this phase will be measured by a solid understanding by   the RSE and the IAOC of the necessary costs and resources required   for long-term support of the new format model.11.  Security Considerations   Changing the format for RFCs involves modifying a great number of   components to publication.  Understanding those changes and the   implications for the entire tool chain is critical so as to avoid   unintended bugs that would allow unintended changes to text.   Unintended changes to text could in turn corrupt a standard,   practice, or critical piece of information about a protocol.12.  References12.1.  Normative References   [RFC6949]  Flanagan, H. and N. Brownlee, "RFC Series Format              Requirements and Future Development",RFC 6949,              DOI 10.17487/RFC6949, May 2013,              <http://www.rfc-editor.org/info/rfc6949>.   [RFC7749]  Reschke, J., "The "xml2rfc" Version 2 Vocabulary",RFC 7749, DOI 10.17487/RFC7749, February 2016,              <http://www.rfc-editor.org/info/rfc7749>.   [RFC7991]  Hoffman, P., "The "xml2rfc" Version 3 Vocabulary",RFC 7991, DOI 10.17487/RFC7991, December 2016,              <http://www.rfc-editor.org/info/rfc7991>.   [RFC7992]  Hildebrand, J., Ed. and P. Hoffman, "HTML Format for              RFCs",RFC 7992, DOI 10.17487/RFC7992, December 2016,              <http://www.rfc-editor.org/info/rfc792>.Flanagan                      Informational                    [Page 12]

RFC 7990                  RFC Format Framework             December 2016   [RFC7993]  Flanagan, H., "Cascading Style Sheets (CSS) Requirements              for RFCs",RFC 7993, DOI 10.17487/RFC7993, December 2016,              <http://www.rfc-editor.org/info/rfc7993>.   [RFC7994]  Flanagan, H., "Requirements for Plain-Text RFCs",RFC 7994, DOI 10.17487/RFC7994, December 2016,              <http://www.rfc-editor.org/info/rfc7994>.   [RFC7995]  Hansen, T., Ed., Masinter, L., and M. Hardy, "PDF Format              for RFCs",RFC 7995, DOI 10.17487/RFC7995, December 2016,              <http://www.rfc-editor.org/info/rfc7995>.   [RFC7996]  Brownlee, N., "SVG Drawings for RFCs: SVG 1.2 RFC",RFC 7996, DOI 10.17487/RFC7996, December 2016,              <http://www.rfc-editor.org/info/rfc7996>.   [RFC7997]  Flanagan, H., Ed., "The Use of Non-ASCII Characters in              RFCs",RFC 7997, DOI 10.17487/RFC7997, December 2016,              <http://www.rfc-editor.org/info/rfc7997>.12.2.  Informative References   [RFC4845]  Daigle, L., Ed. and Internet Architecture Board, "Process              for Publication of IAB RFCs",RFC 4845,              DOI 10.17487/RFC4845, July 2007,              <http://www.rfc-editor.org/info/rfc4845>.   [RFC6635]  Kolkman, O., Ed., Halpern, J., Ed., and IAB, "RFC Editor              Model (Version 2)",RFC 6635, DOI 10.17487/RFC6635, June              2012, <http://www.rfc-editor.org/info/rfc6635>.   [RFC7322]  Flanagan, H. and S. Ginoza, "RFC Style Guide",RFC 7322,              DOI 10.17487/RFC7322, September 2014,              <http://www.rfc-editor.org/info/rfc7322>.   [RFC7841]  Halpern, J., Ed., Daigle, L., Ed., and O. Kolkman, Ed.,              "RFC Streams, Headers, and Boilerplates",RFC 7841,              DOI 10.17487/RFC7841, May 2016,              <http://www.rfc-editor.org/info/rfc7841>.   [ASCII]    American National Standards Institute, "Coded Character              Set - 7-bit American Standard Code for Information              Interchange", ANSI X3.4-1986, 1986.   [GEN-ART]  IETF, "General Area Review Team (Gen-ART)",              <http://www.ietf.org/iesg/directorate/gen-art.html>.Flanagan                      Informational                    [Page 13]

RFC 7990                  RFC Format Framework             December 2016   [IASA-RFP] IETF Administrative Support Activity, "RFPs and RFIs",              <http://iaoc.ietf.org/rfps-rfis.html>.   [IETF84]   Flanagan, H., "IETF 84 Proceedings: RFC Format (rfcform)",              July 2012,              <http://www.ietf.org/proceedings/84/rfcform.html>.   [IETF85]   Flanagan, H., "IETF 85 Proceedings: RFC Format (rfcform)",              November 2012,              <http://www.ietf.org/proceedings/85/rfcform.html>.   [IETF88]   Flanagan, H., "IETF 88 Proceedings: RFC Format (rfcform)",              November 2013,              <http://www.ietf.org/proceedings/88/rfcform.html>.   [IETF89]   Flanagan, H., "IETF 89 Proceedings: RFC Format (rfcform)",              March 2014,              <http://www.ietf.org/proceedings/89/rfcform.html>.   [IETF90]   Flanagan, H., "IETF 90 Proceedings: RFC Format (rfcform)",              July 2014,              <http://www.ietf.org/proceedings/90/rfcform.html>.   [ISTATS]   "Internet Live Stats",              <http://www.internetlivestats.com/internet-users/>.   [NDN2014]  "28th NORDUnet Conference 2014", 2014,              <https://events.nordu.net/display/NORDU2014/              BoF%27s+and+side+meetings>.   [RFC-INTEREST]              RFC Editor, "rfc-interest -- A list for discussion of the              RFC series and RFC Editor functions.",              <https://www.rfc-editor.org/mailman/listinfo/rfc-interest>.   [RNC]      Clark, J., "RELAX NG Compact Syntax", OASIS , November              2002, <http://www.oasis-open.org/committees/relax-ng/compact-20021121.html>.   [RSOC]     IAB, "RFC Editor Program: The RSOC",              <http://www.iab.org/activities/programs/rfc-editor-program/>.   [TNC2014]  Flanagan, H., "IETF Update - 'What's Hot?' - RFC Update",              2014, <https://tnc2014.terena.org/core/presentation/84>.Flanagan                      Informational                    [Page 14]

RFC 7990                  RFC Format Framework             December 2016   [STM]      STM, "The global voice of scholarly publishing",              <http://www.stm-assoc.org/>.   [TYPOGRAPHY]              Butterick, M., "Butterick's Practical Typography",              <http://practicaltypography.com/widow-and-orphan-control.html>.   [XML-ANNOUNCE]              Flanagan, H., "Subject: [rfc-i] Direction of the RFC              Format Development effort", message to the rfc-interest              mailing list, May 2013,              <http://www.rfc-editor.org/pipermail/rfc-interest/2013-May/005584.html>.IAB Members at the Time of Approval   The IAB members at the time this memo was approved were (in   alphabetical order):      Jari Arkko      Ralph Droms      Ted Hardie      Joe Hildebrand      Russ Housley      Lee Howard      Erik Nordmark      Robert Sparks      Andrew Sullivan      Dave Thaler      Martin Thomson      Brian Trammell      Suzanne WoolfAcknowledgements   With many thanks to the RFC Format Design Team for their efforts in   making this transition successful: Nevil Brownlee (ISE), Tony Hansen,   Joe Hildebrand, Paul Hoffman, Ted Lemon, Julian Reschke, Adam Roach,   Alice Russo, Robert Sparks (Tools Team liaison), and Dave Thaler.Flanagan                      Informational                    [Page 15]

RFC 7990                  RFC Format Framework             December 2016Author's Address   Heather Flanagan   RFC Editor   Email: rse@rfc-editor.org   URI:http://orcid.org/0000-0002-2647-2220Flanagan                      Informational                    [Page 16]

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