Hi,
I'd like just to warn you that I found http://drupal.org/project/relation_edit that does the same stuff but in a more general way.
In particular every sub-element is a node.

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jmuzz’s picture

jmuzz commented
Issue summary: View changes
Status: Active » Closed (works as designed)

Looks like it's been supplanted by this:

https://www.drupal.org/project/entityreference

Who knows, maybe one day that will be the replacement for field collections.