hark-graph-hook: correctly get rear of index
update-core
?- mode.kind
%count (hark %unread-count place %.y 1)
- %each (hark %unread-each place /(rsh 4 (scot %ui (rear index.post))))
+ %each (hark %unread-each place /(rsh 4 (scot %ui (rear self-idx))))
%none update-core
==
==
update-core
?- mode.kind
%count (hark %unread-count place %.n 1)
- %each (hark %read-each place /(rsh 4 (scot %ui (rear index.post))))
+ %each (hark %read-each place /(rsh 4 (scot %ui (rear self-idx))))
%none update-core
==
==
