xmlroff 0.6.2 and libfo-examples-0.6.0 are now available from
libfo-examples 0.6.0 adds xmlroff-gtktree as a work-in-progress
demonstration of using a GTK+ tree widget to view the FO tree with what
will eventually be a side panel showing the current FO’s properties.
xmlroff 0.6.2 really only has some changes in the header files necessary
to support libfo-examples 0.6.0.
The next xmlroff version will be 0.7.0, which will have some support for