[Issue 18062] ddoc: Generated .html files should retain the package hierarchy

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18062

--- Comment #1 from Jonathan M Davis <issues.dlang at jmdavisProg.com> ---
Upon further reflection, while in principle, I definitely prefer having folders
over using underscores to replace slashes, the underscores solution works a lot
better with stuff like css files, since then you don't have to worry about
figuring out a way to keep track of where in the package hierarchy you are and
thus what the adjusted relative path would be to something like the css
directory.

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