On Tue, Jan 27, 2026 at 3:43 PM Martin Thomson <[email protected]> wrote:

> On Wed, Jan 28, 2026, at 10:24, Eric Rescorla wrote:
> > The RPC shall define an input format for mathematical notation and
> > requirements for enhancing xml2rfc to translate that input format into
> > the output format defined in Section XYZ. That input format shall be
> > based on pre-existing defined mathematical notation input formats.
>
> I agree regarding the general sentiment, but I think that this group is
> somewhat constrained in terms of what we can mandate as a matter of
> policy.  The way to thread that needle is to make this a suggestion in the
> implementation guidance section and not use "shall", so maybe:
>
> > The RPC is also advised to consider input formats that will be used to
> author documents.
> > Any input format will need to be documented and integrated into
> authoring tools,
> > which will need to be able to generate the different output formats as
> needed.
> > Reusing established mathematical notation input formats is strongly
> recommended.
>
> (We did discuss this, but failed to write it down.  The natural conclusion
> here is some variant of LaTeX, but I think we need to stop just short of
> mandating that, as you did.)
>

Why do you think we are precluded from saying "shall"? S 2 uses must a
couple of
times for matters that seem like they are at a similar altitude.

-Ekr
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