Syntax
where T is any sequence of alphanumeric text.
The PCTITLE: command is used to define a title to be used for
partial correlation diagrams. As for the STRING: ,
ITITLE: , TITLE: , and
PRINT: commands, items in square brackets, [ ...],
are not parsed for substitutions, and the text does not have its blank
spaces removed, or its capital letters changed to lower case.
The second form of the syntax, where the command is given without an
argument, deletes any such title.
