Navigate within history by a signed offset (mutates history), browser-history.go style:
negative = back that many steps, positive = forward that many steps. The entries passed over
transfer to the opposite stack, and the old current moves one step in the opposite direction
(matches Paratext 9's dropdown jump).
Navigate within
historyby a signedoffset(mutateshistory), browser-history.gostyle: negative = back that many steps, positive = forward that many steps. The entries passed over transfer to the opposite stack, and the old current moves one step in the opposite direction (matches Paratext 9's dropdown jump).