@xref
The @xref command generates a cross reference for the
beginning of a sentence. The Info formatting commands convert it into
an Info cross reference, which the Info `f' command can use to
bring you directly to another node. The TeX typesetting commands
convert it into a page reference, or a reference to another book or
manual.
@xref with one argument.
@xref with two arguments.
@xref with three arguments.
@xref with four and five arguments.
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