GNU Info

(texinfo)Cross Reference Commands

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Different Cross Reference Commands
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  There are four different cross reference commands:

`@xref'
     Used to start a sentence in the printed manual saying `See ...'
     or an Info cross-reference saying `Note: NAME.'.

`@ref'
     Used within or, more often, at the end of a sentence; same as
     `@xref' for Info; produces just the reference in the printed
     manual without a preceding `See'.

`@pxref'
     Used within parentheses to make a reference that suits both an Info
     file and a printed book.  Starts with a lower case `see' within the
     printed manual. (`p' is for `parenthesis'.)

`@inforef'
     Used to make a reference to an Info file for which there is no
     printed manual.

(The `@cite' command is used to make references to books and manuals
for which there is no corresponding Info file and, therefore, no node
to which to point.   Note: `@cite'.)