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Ruby Programming
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Cross References

The content of headings, the labels of labeled lists, and the names of methods are automatically made into potential cross reference targets. You make links to these targets from elsewhere in the document by citing their contents in the ((<...>)) construct.

= Synopsis
...
See ((<Return Codes>)) for details.
..
== Instance Methods

--- Tempfile.open( filename )     Opens the file...

== Return Codes .. The method ((<Tempfile.open>)) raises an (({IOException}))...

If a reference starts with ``URL:'', rdtool attempts to format it as an external hyperlink.

The reference ((<display part|label>)) generates a link to label but places the text ``display part'' in the output document. This is used in the description section of the example in Figure A.1 on page 512 to generate references to the method names:

perspective, apart from the unusual ((<(({new}))|Tempfile.new>)),
...

This construct displays the word ``new'' in code font but uses it as a hyperlink to the method Tempfile.new.
Ruby Programming
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