Metanorma-IETF RFC XML version AsciiDoc comparison
| v2 markup | v3 markup | 
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 | Relaton import from online sources, AsciiBib, pre-formatted titles | 
| Citations of specific versions of Internet Draft documents | Not supported yet | 
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| Abstract marked up as preamble, optionally with abstract style, without title | Either abstract with title, or preamble without abstract style | 
| Can embed sourcecode, ASCII art, and images within example markup (figure) | Can embed sourcecode, ASCII art, and images within example markup (figure), but prefer not to: redundant anchors, no need for preamble/postamble text within figure | 
| Mathematical expressions rendered as  | Mathematical expressions rendered as AsciiMath, in  | 
| Anchors on  | Anchors on  | 
| Note renders as comment | Note renders as  | 
| Admonition renders as comment (in recent releases: as paragraphs) | Admonition renders as  | 
| Comment macro renders as RFC XML comment | RFC XML comments not supported | 
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 | Sidebars renders as  | 
| Footnotes ignored | Text footnotes rendered as endnotes, Table and Figure footnotes rendered as  |