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Bug#106073: recommend to install <package> documentation into /usr/share/doc/<package>/



On Sat, Jan 07, 2012 at 08:51:58AM -0800, Russ Allbery wrote:
> Russ Allbery <rra@debian.org> writes:
> 
> > As always, once I start seriously poking at an area of Policy, I see
> > other little things that need to be fixed as well.  Here is a general
> > overhaul of the additional documentation section, which should both
> > address this bug as well as a few other things.
> 
> [...]
> 
> Here is an updated version of the patch with feedback to date taken into
> account.
> 
> diff --git a/policy.sgml b/policy.sgml
> index c1ff4b4..4dce37c 100644
> --- a/policy.sgml
> +++ b/policy.sgml
> @@ -9702,45 +9702,77 @@ END-INFO-DIR-ENTRY
>  	</p>
>        </sect>
>  
> -      <sect>
> +      <sect id="docs-additional">
>  	<heading>Additional documentation</heading>
>  
>  	<p>
> -	  Any additional documentation that comes with the package may
> -	  be installed at the discretion of the package maintainer.
> -	  Plain text documentation should be installed in the directory
> -	  <file>/usr/share/doc/<var>package</var></file>, where
> -	  <var>package</var> is the name of the package, and
> -          compressed with <tt>gzip -9</tt> unless it is small.
> -        </p>
> +	  Any additional documentation that comes with the package may be
> +	  installed at the discretion of the package maintainer.  It is
> +	  often a good idea to include text information files
> +	  (<file>README</file>s, FAQs, and so forth) that come with the
> +	  source package in the binary package.  However, you don't need
> +	  to install the instructions for building and installing the
> +	  package, of course!
> +	</p>
>  
>  	<p>
> -	  If a package comes with large amounts of documentation which
> -	  many users of the package will not require you should create
> -	  a separate binary package to contain it, so that it does not
> -	  take up disk space on the machines of users who do not need
> -	  or want it installed.</p>
> +	  Plain text documentation should be compressed with <tt>gzip
> +	  -9</tt> unless it is small.
> +	</p>
>  
>  	<p>
> -	  It is often a good idea to put text information files
> -	  (<file>README</file>s, changelogs, and so forth) that come with
> -	  the source package in <file>/usr/share/doc/<var>package</var></file>
> -	  in the binary package.  However, you don't need to install
> -	  the instructions for building and installing the package, of
> -	  course!</p>
> +	  If a package comes with large amounts of documentation that many
> +	  users of the package will not require, you should create a
> +	  separate binary package to contain it so that it does not take
> +	  up disk space on the machines of users who do not need or want
> +	  it installed.  As a special case of this rule, shared library
> +	  documentation of any appreciable size should always be packaged
> +	  with the library development package (<ref id="sharedlibs-dev">)
> +	  or in a separate documentation package, since shared libraries
> +	  are frequently installed as dependencies of other packages by
> +	  users who have little interest in documentation of the library
> +	  itself.  The documentation package for the
> +	  package <var>package</var> is conventionally
> +	  named <var>package</var>-doc
> +	  (or <var>package</var>-doc-<var>language-code</var> if there are
> +	  separate documentation packages for multiple languages).
> +	</p>
> +
> +	<p>
> +	  Additional documentation included in the package should be
> +	  installed under <file>/usr/share/doc/<var>package</var></file>.
> +	  If the documentation is packaged separately,
> +	  as <var>package</var>-doc for example, it may be installed under
> +	  either that path or into the documentation directory for the
> +	  separate documentation package
> +	  (<file>/usr/share/doc/<var>package</var>-doc</file> in this
> +	  example).  However, installing the documentation into the
> +	  documentation directory of the main package is preferred since
> +	  it is independent of the packaging method and will be easier for
> +	  users to find.
> +	</p>
> +
> +	<p>
> +	  Any separate package providing documentation must still install
> +	  standard documentation files in its
> +	  own <file>/usr/share/doc</file> directory as specified in the
> +	  rest of this policy.  See, for example, <ref id="copyrightfile">
> +	  and <ref id="changelogs">.
> +	</p>
>  
>  	<p>
>  	  Packages must not require the existence of any files in
>  	  <file>/usr/share/doc/</file> in order to function
>  	  <footnote>
> -	      The system administrator should be able to
> -	      delete files in <file>/usr/share/doc/</file> without causing
> -	      any programs to break.
> -	  </footnote>.
> -	  Any files that are referenced by programs but are also
> -	  useful as stand alone documentation should be installed under
> -	  <file>/usr/share/<var>package</var>/</file> with symbolic links from
> -	  <file>/usr/share/doc/<var>package</var></file>.
> +	    The system administrator should be able to delete files
> +	    in <file>/usr/share/doc/</file> without causing any programs
> +	    to break.
> +	  </footnote>.  Any files that are used or read by programs but
> +	  are also useful as stand alone documentation should be installed
> +	  elsewhere, such as
> +	  under <file>/usr/share/<var>package</var>/</file>, and then
> +	  included via symbolic links
> +	  in <file>/usr/share/doc/<var>package</var></file>.
>  	</p>
>  
>  	<p>
> @@ -9760,18 +9792,6 @@ END-INFO-DIR-ENTRY
>              </p>
>            </footnote>
>  	</p>
> -
> -	<p>
> -	  Former Debian releases placed all additional documentation
> -	  in <file>/usr/doc/<var>package</var></file>.  This has been
> -	  changed to <file>/usr/share/doc/<var>package</var></file>,
> -	  and packages must not put documentation in the directory
> -	  <file>/usr/doc/<var>package</var></file>. <footnote>
> -	    At this phase of the transition, we no longer require a
> -	    symbolic link in <file>/usr/doc/</file>. At a later point,
> -	    policy shall change to make the symbolic links a bug.
> -	  </footnote>
> -	</p>
>        </sect>
>  
>        <sect>
> @@ -9782,16 +9802,16 @@ END-INFO-DIR-ENTRY
>  	  via HTML.</p>
>  
>  	<p>
> -	  If your package comes with extensive documentation in a
> +	  If the package comes with extensive documentation in a
>  	  markup format that can be converted to various other formats
>  	  you should if possible ship HTML versions in a binary
> -	  package, in the directory
> -	  <file>/usr/share/doc/<var>appropriate-package</var></file> or
> -	  its subdirectories.<footnote>
> -	      The rationale: The important thing here is that HTML
> -	      docs should be available in <em>some</em> package, not
> -	      necessarily in the main binary package.
> +	  package.<footnote>
> +	      Rationale: The important thing here is that HTML
> +	      documentation should be available from <em>some</em>
> +	      binary package.
>  	  </footnote>
> +	  The documentation must be installed as specified in
> +	  <ref id="docs-additional">.
>  	</p>
>  
>  	<p>

Seconded. I suggest we move forward with this and that I apply it to master
next week, if Russ is still OK with this.

Cheers,
-- 
Bill. <ballombe@debian.org>

Imagine a large red swirl here. 

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