[xml2rfc] question about ?anchor= in xi:include

Robert Moskowitz <rgm@htt-consult.com> Wed, 27 May 2020 13:13 UTC

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From: Robert Moskowitz <rgm@htt-consult.com>
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Subject: [xml2rfc] question about ?anchor= in xi:include
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In the usage below:

<xi:include 
href="https://xml2rfc.tools.ietf.org/public/rfc/bibxml3/reference.I-D.card-drip-reqs.xml?anchor=drip-reqs"/>

Where at the beginning of <back> there is:

<displayreference target="I-D.card-drip-reqs" to="drip-requirements"/>

What value is the anchor?

I can't use it in a xref target=

If I leave it out, there is no difference in the resultant draft.

When I look at the v3 FAQ, it seems that the anchor is used when no 
displayreference?

thanks