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doc: Stylistic changes to "Packaging Guidelines"

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Andreas Enge 2013-08-31 00:02:00 +02:00
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@ -1597,7 +1597,7 @@ bootstrap)} module. For more information on bootstrapping,
The GNU distribution is nascent and may well lack some of your favorite The GNU distribution is nascent and may well lack some of your favorite
packages. This section describes how you can help make the distribution packages. This section describes how you can help make the distribution
grow. @ref{Contributing}, for additional information on how you can grow. @xref{Contributing}, for additional information on how you can
help. help.
Free software packages are usually distributed in the form of Free software packages are usually distributed in the form of
@ -1675,18 +1675,19 @@ discuss ways to deal with trademarks and patents.
@node Package Naming @node Package Naming
@subsection Package Naming @subsection Package Naming
A package has actually two names associated to it: A package has actually two names associated with it:
First, there is the name of the @emph{Scheme variable}, the one following First, there is the name of the @emph{Scheme variable}, the one following
@code{define-public}. By this name, the package can be made known in the @code{define-public}. By this name, the package can be made known in the
Scheme code, for instance as input to another package. Scheme code, for instance as input to another package. Second, there is
Second, there is the string in the @code{name} field of a package definition. the string in the @code{name} field of a package definition. This name
This name is used by the package manager. is used by package management commands such as
@command{guix package} and @command{guix build}.
Both are usually the same and correspond to the lowercase conversion of the Both are usually the same and correspond to the lowercase conversion of the
project name chosen by upstream. For instance, the GNUnet project is packaged project name chosen upstream. For instance, the GNUnet project is packaged
as @code{gnunet}. We do not add @code{lib} prefixes for library packages, as @code{gnunet}. We do not add @code{lib} prefixes for library packages,
unless these are already part of the official project name. unless these are already part of the official project name. But see
But see @ref{Python Modules} for special rules concerning modules for @ref{Python Modules} for special rules concerning modules for
the Python language. the Python language.
@ -1695,8 +1696,9 @@ the Python language.
We usually package only the latest version of a given free software We usually package only the latest version of a given free software
project. But sometimes, for instance for incompatible library versions, project. But sometimes, for instance for incompatible library versions,
two (or more) versions of the same package are needed. These require different two (or more) versions of the same package are needed. These require
Scheme variable names. We use the name as defined in @ref{Package Naming} different Scheme variable names. We use the name as defined
in @ref{Package Naming}
for the most recent version; previous versions use the same name, suffixed for the most recent version; previous versions use the same name, suffixed
by @code{-} and the smallest prefix of the version number that may by @code{-} and the smallest prefix of the version number that may
distinguish the two versions. distinguish the two versions.
@ -1705,6 +1707,7 @@ The name inside the package definition is the same for all versions of a
package and does not contain any version number. package and does not contain any version number.
For instance, the versions 2.24.20 and 3.9.12 of GTK+ may be packaged as follows: For instance, the versions 2.24.20 and 3.9.12 of GTK+ may be packaged as follows:
@example @example
(define-public gtk+ (define-public gtk+
(package (package
@ -1735,6 +1738,7 @@ We currently package Python 2 and Python 3, under the Scheme variable names
To avoid confusion and naming clashes with other programming languages, it To avoid confusion and naming clashes with other programming languages, it
seems desirable that the name of a package for a Python module contains seems desirable that the name of a package for a Python module contains
the word @code{python}. the word @code{python}.
Some modules are compatible with only one version of Python, others with both. Some modules are compatible with only one version of Python, others with both.
If the package Foo compiles only with Python 3, we name it If the package Foo compiles only with Python 3, we name it
@code{python-foo}; if it compiles only with Python 2, we name it @code{python-foo}; if it compiles only with Python 2, we name it