I made an interactive pdf, with buttons linking to text anchors.
When I export this and open in iBooks, the buttons are gone.
The PDF works perfect in Acrobat and GoodReader.
When I don't make buttons, but hyperlinks, this works.
What do I do wrong?
You are doing nothing wrong. iPad´s default PDF viewer does not support interactive buttons.
Some iPad readers support interactive buttons, but iBooks does not. See a blog post I wrote about this, and suggestions for better choices:
Finding the Best Tablet PDF Reader
So I suppose I'll just use hyperlinks then.
Steve, thanks also for the link.
Retrieving data ...