BuiltinActions :: BookmarkPrevious - Select prvious marked entry (Ctrl-left)
The action locates the the next bookmark beginning at the currently selected list entry. The action is part of the default context menu for lists and trees (...nav). Bookmarks can be set by calling the action BookmarkStore.
When locating the previous bookmark in the list, the previous entry marked in the list is provided regardless on the tree level. When the entry is hidden, the tree automatically expands to the marked item.
Return value: - internal feature (not documented) ( logical )