Release 10.1A: OpenEdge Development:
Progress 4GL Reference

DELIMITER attribute

The character that separates values input to or output from a combo box or selection list.

Data type: CHARACTER

Access: Readable/Writeable

Applies to: COMBO-BOX widget, RADIO-SET widget, SELECTION-LIST widget

Delimiter character can have any ASCII value from 1 to 127. The default delimiter is a comma.