While working on integration of CiviCRM forms in Drupal via Entityreference and IEF, I've found that IEF strips some CiviCRM resources & form logic.
IEF overrides form element wrappers' IDs and classes, strips inline JavaScript CiviCRM has included in Smarty form template files . Hidden
form elements & fields become visible. Generally CiviCRM form flattens and form interaction, CiviCRM provides as DB requests from inline JS via API gets lost.
I've briefly scanned the issues queue yet haven't found if it is possible, that form, included by IEF, was included "as is", mean in it's original state? Perhaps, it is more complex matter than strip_tags(); not sure if IEF api hooks provide such possibility as well. Any hint where to start from, please?
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Due to limited developer time old feature requests for IEF are being closed. If you still have a need for this functionality, then you may feel free to reopen the issue. But please note that if you are still using Drupal 7 and would like for this functionality to be added to the D7-compatible version of IEF, then our limited resources and lack of interest may prevent that from ever happening.