Question about get_mergeinfo_for_path() function

Hello devs.

My question is about merge-tracking internals.
There's a function called get_mergeinfo_for_path() where I see the
repository root path is passed as "", not as "/".
But what is confusing me is that I actually have never seen paths like
"" to be stored in either 'mergeinfo_changed' or 'mergeinfo' tables.

Furthermore I've made a little test: merged some props on the root of
the repository and committed those merges.
select * from mergeinfo_changed returns "/"
not ""
as a path which mergeinfo was changed.
So, could it happen that the function get_mergeinfo_for_path() will not
work properly in some situations?

Sorry, If I'm wrong and misunderstanding something.

----
Alexander Sinyushkin,
TMate Software,
http://svnkit.com/ - Java [Sub]Versioning Library!
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