new possible return code for dns_rbt_addnode, DNS_R_NOSPACE.  It means that adding the name would create too many logical levels in the tree of trees.
new possible return code for dns_rbt_addnode, DNS_R_NOSPACE.  It means
that adding the name would create too many logical levels in the
tree of trees.

each/bind9-collab,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9