At the time the chair of the working group requests closing, if there are
still documents in the RFC Editor queue, the AD will typically discuss the
state of the working group with the rest of the IESG and may ask the chair
to postpone the working group closing till the documents are published.
The reason for this judgement call would be if the working group discussion
of those pending documents had been active at the end. If so, if there were
issues raised before publication, it might be necessary to have another
consensus call and this would not be possible if the WG was closed. The
AD can make the judgement that the document discussion was of low intensity
and close the group early, but this will be determined on a case by case
basis.
Saying "close the group early" seems to be a value
judgement, or brings up a conceptualization about when