If you have the full development version of LV you can use the compare
VI hierarchies function from the Tools- Compare menu.
If not you could open the llb with the VI library manager (Tools menu)
and check the show dates box you can see the dates of all the VIs.
I'm taking over a project from an engineer who left. I now have two
separate large .llb's that are not well documented. Supposedly one is
a later rev. I would like to find out what is different between the
two revs. The librarys have different top level names (i.e., rev1 and
rev2) but all of
