Rather than having a multi-select field, this modules allows you to have multiple select fields with the traditional FieldAPI 'Add another item' button.
Multiple Selects provides a widget for the the following fields types:
- entity_reference
- node_reference
- user_reference
- taxonomy_term_reference
- list_integer
- list_float
- list_text
- Install this module and its dependencies using the official Backdrop CMS instructions
This project is GPL v2 software. See the LICENSE.txt file in this directory for complete text.