+@c PSPP - a program for statistical analysis.
+@c Copyright (C) 2017 Free Software Foundation, Inc.
+@c Permission is granted to copy, distribute and/or modify this document
+@c under the terms of the GNU Free Documentation License, Version 1.3
+@c or any later version published by the Free Software Foundation;
+@c with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+@c A copy of the license is included in the section entitled "GNU
+@c Free Documentation License".
+@c
@node Language
@chapter The @pspp{} language
@cindex language, @pspp{}
@item Custom attributes
User-defined associations between names and values. @xref{VARIABLE
ATTRIBUTE}.
+
+@cindex variable role
+@item Role
+The intended role of a variable for use in dialog boxes in graphical
+user interfaces. @xref{VARIABLE ROLE}.
@end table
@node System Variables