Request: Hook in advanced edit form.

As everybody knows, some plugins need to add their own UI elements to the advanced edit form (like “Image Browser”, “Exhibit”,… ), which is quite impossible to do at the moment without hacking the code in any way.
Maybe you can add a hook to advanced editing? This would be great ??
(At the moment, Exhibit already uses an “advanced edit form” hook and I will add support for this into the next release of my Image Browser plugin.)