fix bug in reg-tests-1b
Merge branch '19-fixes' into 20
copyright updates
copyright updates
copyright update
Merge branch '19-doc' into 20
Merge branch '19-fixes' into 20
Merge branch '19-mods' into 20
more updates to reg-tests-1b
Merge branch '19-fixes' into 20
more tweask for reg-tests-1b
Merge branch '19-fixes' into 20