MHp for constraints= ~degreedist. Randomly select a node (T) and its edge (E). If the head
node of the edge (H) has 1 degree more than another randomly select node (A), and A is disconnected to both
T and H, then propose to toggle E and the dyad between T and A.
ergm:::.formatProposalsHtml(ergm:::.buildProposalsList(proposal="CondDegreeDist"))
ergmProposal for index of proposals currently visible to the package.
ergm:::.formatTermKeywords("ergmProposal", "CondDegreeDist", "subsection")