I can't get the tree view to show up at all. Possibly user error, possibly not.
*** Bug 50509 has been marked as a duplicate of this bug. ***
Alex has libxml patch to fix this
*** Bug 51530 has been marked as a duplicate of this bug. ***
This is fixed in 1.8.14-2, which should be in rawhide soon.
I have just released (as the software maintainer) a new version of
libxml-1.8.15 including this patch and a couple of others bugfixes.
Available at ftp://xmlsoft.org/ and Gnome FTP.