MHp for constraints= ~idegrees. For directed networks, randomly select two dyads with a
common head node, one having an edge one not, and propose to swap the tie from one tail to the other.
ergm:::.formatProposalsHtml(ergm:::.buildProposalsList(proposal="CondInDegree"))
ergmProposal for index of proposals currently visible to the package.
ergm:::.formatTermKeywords("ergmProposal", "CondInDegree", "subsection")