Would it be possible to trigger the AJAX commit onBlur rather than a form submit?
I had a vendor that was upset when he tried to copy from one AJAX field to another; he just clicked from one to the other to paste, and lost a lengthy paragraph because he didn't click Update first before clicking to the next AJAX field.
phpMyAdmin does this when viewing a table; you can edit a cell in-line, and it saves just by clicking outside the cell.
If it can technically be done, the plugin settings could have an "Enable Auto-save" setting.
Just an idea based on real world experience.
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David Riviera