ls -la | grep old:

-rwx------+ 1 Administrator None 17139 Sep 12 20:55 vocabindex.view.inc.old

diff vocabindex.view.inc.old vocabindex.view.inc:

400c400
<   return array('list_items' => _vocabindex_list_render_tree($tree, $children, $vi));
---
>   return array('list_items' => _vocabindex_list_render_tree($tree, $children, $vi, ""));
425c425
< function _vocabindex_list_render_tree($tree, $children, $vi, $pid = 0, &$zebra_i = 0) {
---
> function _vocabindex_list_render_tree($tree, $children, $vi, $parents_tags, $pid = 0, &$zebra_i = 0) {
436c436
<       $term_children = _vocabindex_list_render_tree($tree, $children, $vi, $term->tid, $zebra_i);
---
>       $term_children = _vocabindex_list_render_tree($tree, $children, $vi, $parents_tags.','.($term->tid), $term->tid, $zebra_i);
441c441
<       'data' => vocabindex_term_link($term, $vi),
---
>       'data' => vocabindex_term_link($term, $vi, $parents_tags),
586,587c586,587
< function vocabindex_term_link($term, $vi) {
<   $term->path = taxonomy_term_path($term);
---
> function vocabindex_term_link($term, $vi, $parents_tags = "") {
>   $term->path = taxonomy_term_path($term).$parents_tags;