I've been customizing how registration works for my app as a few of my
app's users are getting confused by the registration verification
email.
Ok, so I will just have my app send them to a nice hand-holding
explanatory page after they've submitted their registration
information.

According to The Book, "all" I have to do is set
auth.settings.register_next to the URL I want, and I'm good to go.
But I can't get that to work.

(all line numbers are for
https://github.com/web2py/web2py/blob/master/gluon/tools.py as of the
time of this message)

First off, it seems that the Register link I get from auth.navbar()
always has a _next parameter appended to it,
and that _next seems to override anything I set in my model for
auth.settings.registration_next.
Fine, I go into the navbar function of the Auth class in tools.py and
delete the "+next" part of the registration link. (line 1242)
That doesn't work, as for some reason I don't understand, the ?_next
parameter in the URL is still present when the navbar is constructed
from a regular page, but the ?_next parameter is (properly) missing
from Register link when I first click on Login. Very odd to me.

After trying a few more fixes, I decide that I do not understand how
next processing is done for Auth.
My fix is a huge hammer.
I go into the register function and change lines 1983 and 1984.
Actually I delete them and replace them with:
next = self.settings.register_next

I have no idea what the lines I deleted are trying to do, but they
were keeping my expressed intent from working.
Now my users are directed to the page I want after submitting their
registrations, but I have no idea what else I have subtly screwed up.
I don't even know if I should submit a bug report or if there is some
other configuration I could do that would avoid having to make this
code change.
Help!

-Doug

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