doc: Add a cross-reference to "origin Reference".

* doc/guix.texi (Defining Packages): Add xref to "origin Reference".
This commit is contained in:
Ludovic Courtès 2015-05-22 11:20:27 +02:00
parent 99bd74d549
commit a2bf4907df

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@ -1806,7 +1806,8 @@ There are a few points worth noting in the above package definition:
@itemize
@item
The @code{source} field of the package is an @code{<origin>} object.
The @code{source} field of the package is an @code{<origin>} object
(@pxref{origin Reference}, for the complete reference).
Here, the @code{url-fetch} method from @code{(guix download)} is used,
meaning that the source is a file to be downloaded over FTP or HTTP.