Whether openended input allows multiple lines of text.
A value of 1 indicates multiple lines are permitted, 0 indicates only a single line of text may be entered.
The following displays the value of multiline in a text stimulus:
<text sometext>
/ items= ("multiline = <% openended.q1.multiline.1 %>")
</text>
The following displays the value of multiline in an instruction page:
<page somepage>
multiline = <% openended.q1.multiline.1 %>
</page>