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doc: Document installation of propagated inputs.

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* doc/guix.texi (Invoking guix-package): Document installation behavior
  with propagated inputs.
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Ludovic Courtès 2013-02-07 23:55:16 +01:00
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commit 461572cca8
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@ -495,6 +495,16 @@ such as @code{guile-1.8.8}. In addition, @var{package} may contain a
colon, followed by the name of one of the outputs of the package, as in colon, followed by the name of one of the outputs of the package, as in
@code{gcc:doc} or @code{binutils-2.22:lib}. @code{gcc:doc} or @code{binutils-2.22:lib}.
@cindex propagated inputs
Sometimes packages have @dfn{propagated inputs}: these are dependencies
that automatically get installed along with the required package.
An example is the GNU MPC library: its C header files refer to those of
the GNU MPFR library, which in turn refer to those of the GMP library.
Thus, when installing MPC, the MPFR and GMP libraries also get installed
in the profile; removing MPC also removes MPFR and GMP---unless they had
also been explicitly installed independently.
@item --remove=@var{package} @item --remove=@var{package}
@itemx -r @var{package} @itemx -r @var{package}
Remove @var{package}. Remove @var{package}.