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hierarchically linked with the full Filename. Or setting mtime, or xattr, will result
in an update of atime, well, mostly.

All of this means, the logic in Layers has to deal with a lot of corner cases.
And although this incarnation of Layers in Wrangler's 2.x branch is already a rewrite,
yet another shot at tackling the problem, the initial concept is still not fully
realised, and the implementation logic is only halfway there. The current implementation
relies far too often on regular expressions. And it's internal hierarchy of figuring
out which system call should handle getting/setting a certain attribute is quite
simplistic. Also, an intended pluggable structure, in combination with the ability to
overlay same-level mounts in a unionfs/merged transparent way, is not yet there.
In sum, the efficiency of all this could be better, but at least for now, with some
of the GUI widgets compensating for or knowing about some of Layer's shortcomings,
it works. But for the record: it's a work-in-progress.

=head1 COPYRIGHT & LICENSE

This module is part of L<Wrangler>. Please refer to the main module for further
information and licensing / usage terms.