Thomas Wacker

Here are some screenshots from my Redmine. Overview:  Create field - first step:  Create field - second step: 

It looks like every other field. You can't see any difference between custom fields and default fields, except they are placed below the default fields.

That would be one possibility. Another possibility would be to use only one table for the values - that's how Redmine does it. You can use "textarea" as the data...