%%% src_install
Dataword \Arg{rootprefix} means that the project uses root directory \File{/}
along with \File{/usr} and several essential packages are installed to root directory.
When the system is merged to \File{/usr}, this word is absent in configuration.

If \Arg{rootprefix} is present in configuration, the block after \Prog{ause}
will be executed.

File \File{inputrc} is installed in this package.
