Parameters
- title
- The text value to search for.
- maxDepth
- The number of sub-tree levels to search, not counting the root level. 0 - Only
look at the current bookmark, not at any of its children. 1 - Check the current bookmark and its
children, but not any grandchildren or great grandchildren, and so on. -1 - Check the entire sub-tree.
Return Value
The bookmark with the specified title or Null if there is no such bookmark.