Diagnosis
Adding the possible entries button to the input/output element wouldcause a collision with the right-hand edge of the screen.

System Response
The possible entries button attribute remains unchanged.

Procedure
Move the input/output element at least two spaces to the left to allowenough space for the possible entries button, or widen the screenitself.
To enlarge the screen, either increase the nmber of maintenance columnsin the screen attributes, or drag and drop the right-hand edge of thescreen to the required width. You may first have to enlarge the windowof the layout editor first.