clickselect a point and tint its passages + / −show or hide the points under a point up / downprevious or next point at the same depth, opening folded branches leftgo to the parent rightgo to the first child, showing it if folded ctrl+jfold or unfold the selected point entergo into the point's links, up and down pick one enter on a linkfollow it, enter again follows it back escleave the links on the end you are at, close popovers, clear the selection backspace, alt+leftback to the previous point you visited alt+rightforward again ctrl+1..9show that many columns ctrl+0unfold everything ctrl+alt+1..9show that many columns and keep the selected branch open searchkeep only matching points and their parents, esc clears barjump to the next passage the point cites, wraps at the end edgeclick an edge, then follow it to the other end column headerfold the column to a strip, click the strip to reopen