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Naming a `Top' Node
===================
In a cross reference, you must always name a node. This means that
in order to refer to a whole manual, you must identify the `Top' node by
writing it as the first argument to the `@xref' command. (This is
different from the way you write a menu entry; see Other Info Files)
At the same time, to provide a meaningful section topic or title in the
printed cross reference (instead of the word `Top'), you must write an
appropriate entry for the third argument to the `@xref' command.
Thus, to make a cross reference to `The GNU Make Manual', write:
@xref{Top, , Overview, make, The GNU Make Manual}.
which produces
*Note Overview: (make)Top.
and
See section "Overview" in The GNU Make Manual.
In this example, `Top' is the name of the first node, and `Overview' is
the name of the first section of the manual.