Schema Issue, RFC 7991, In Section 2.42, <references>

[levkowetz]

In Section 2.42, <references>

The v3 schema cannot properly model multiple reference subsections
contained within one numbered section. The v2 formatter handled this by
silently inserting an enclosing section, but with the introduction of
the preptool, which in theory should produce a master file from which
various formatters would produce equivalent results, this becomes
troublesome, as the automatic insertion of a container section is
specified for the html formatter, in section 9.8. of RFC 7992, but not
for the text formatter. It would be much better to make the prepped xml
explicitly show exactly what should be rendered, and not rely on
formatters silently insert elements.

Proposal: Update the schema to make it possible for <references>
to contain <references>, and have the prepped xml
explicitly show both the encapsulating section and the
subsections.

Implementation: Implemented as proposed in the current version of
xml2rfc.

[paulehoffman]

Consensus was to implement.

[reschke]

How deep can <references> be nested?

[paulehoffman]

Closed with PR #70