That title is probably confusing but I can't think of a better one right now. I converted a module (ISBN2node) from D7 and it works fine now but the tabs to add its own content type all show up at the top of the main node/add page, like this:
How do I make the tabs only show up after choosing the "ISBN2node" content type to create? (It gets even worse if I also install a custom module that provides similar tabs ... then all of them show up at the top of this page!)
ETA: It also did this in D7, if that matters.
That did work on Drupal 7, which has the same problem. The reason is that the base path for the tabs is
Not
Do you have the ported module anywhere on github that I can install it locally and test why D7 worked and B did not?