Make nodeidx uint32 again.
Large repositories can have more than 65536 nodes within a revision, especially after expansion of SVN directory copies, so it is not safe for this to be uint16. Add a comment saying explicitly why this is uint32.
Large repositories can have more than 65536 nodes within a revision, especially after expansion of SVN directory copies, so it is not safe for this to be uint16. Add a comment saying explicitly why this is uint32.