AW: [Exist-open] How to test similarity of two trees

[<sch...@in...>]

Hi,

> You could try using distinct-values on a sequence containig both trees

> and count the number of results as a workaround.

I wonder how you would do this. If I use distinct-values on "<a>123<a>"
and "<b>456<b>" and count the results, I get the same result. Do I miss
something here?