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><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="DOCUMENTATION"
>3. Documentation Guidelines</A
></H1
><P
> All formal documents are maintained in Docbook SGML and located in the
<SAMP
CLASS="COMPUTEROUTPUT"
>doc/source/*</SAMP
> directory. You will need
<A
HREF="https://www.docbook.org/"
TARGET="_top"
>Docbook</A
>, the Docbook
DTD's and the Docbook modular stylesheets (or comparable alternatives),
and either <SPAN
CLASS="APPLICATION"
>jade</SPAN
> or
<SPAN
CLASS="APPLICATION"
>openjade</SPAN
> (recommended) installed in order to
build docs from source. Currently there is <A
HREF="../user-manual/index.html"
TARGET="_top"
><I
CLASS="CITETITLE"
>user-manual</I
></A
>,
<A
HREF="../faq/index.html"
TARGET="_top"
><I
CLASS="CITETITLE"
>FAQ</I
></A
>, and, of
course this, the <I
CLASS="CITETITLE"
>developer-manual</I
> in this format.
The <I
CLASS="CITETITLE"
>README</I
>, <I
CLASS="CITETITLE"
>AUTHORS</I
>,
<I
CLASS="CITETITLE"
>INSTALL</I
>,
<I
CLASS="CITETITLE"
>privoxy.8</I
> (man page), and
<I
CLASS="CITETITLE"
>config</I
> files are also now maintained as Docbook
SGML. These files, when built, in the top-level source directory are
generated files! Also, the <SPAN
CLASS="APPLICATION"
>Privoxy</SPAN
> <TT
CLASS="FILENAME"
>index.html</TT
> (and a
variation on this file, <TT
CLASS="FILENAME"
>privoxy-index.html</TT
>,
meant for inclusion with doc packages), are maintained as SGML as well.
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>DO NOT edit these directly</I
></SPAN
>. Edit the SGML source, or
contact someone involved in the documentation.
</P
><P
> <TT
CLASS="FILENAME"
>config</TT
> requires some special handling. The reason it
is maintained this way is so that the extensive comments in the file
mirror those in <I
CLASS="CITETITLE"
>user-manual</I
>. But the conversion
process requires going from SGML to HTML to text to special formatting
required for the embedded comments. Some of this does not survive so
well. Especially some of the examples that are longer than 80 characters.
</P
><P
> Other, less formal documents (e.g. <TT
CLASS="FILENAME"
>LICENSE</TT
>) are
maintained as plain text files in the top-level source directory.
</P
><P
> Packagers are encouraged to include this documentation. For those without
the ability to build the docs locally, text versions of each are kept in
Git. HTML versions are also being kept in Git under
<TT
CLASS="FILENAME"
>doc/webserver/*</TT
>.
</P
><P
> Formal documents are built with the Makefile targets of
<SAMP
CLASS="COMPUTEROUTPUT"
>make dok</SAMP
>.
The build process uses the document SGML sources in
<SAMP
CLASS="COMPUTEROUTPUT"
>doc/source/*/*</SAMP
> to update all text files in
<SAMP
CLASS="COMPUTEROUTPUT"
>doc/text/</SAMP
> and to update all HTML
documents in <SAMP
CLASS="COMPUTEROUTPUT"
>doc/webserver/</SAMP
>.
</P
><P
> Documentation writers should please make sure documents build
successfully before committing to Git, if possible.
</P
><P
> How do you update the webserver (i.e. the pages on privoxy.org)?
</P
><P
></P
><OL
TYPE="1"
><LI
><P
> First, build the docs by running <SAMP
CLASS="COMPUTEROUTPUT"
>make
dok dok-tidy</SAMP
>.
</P
></LI
><LI
><P
> Run <SAMP
CLASS="COMPUTEROUTPUT"
>make webserver</SAMP
> which copies all
files from <SAMP
CLASS="COMPUTEROUTPUT"
>doc/webserver</SAMP
> to the
sourceforge webserver via ssh.
</P
></LI
></OL
><P
> Finished docs should be occasionally submitted to Git
(<TT
CLASS="FILENAME"
>doc/webserver/*/*.html</TT
>) so that those without
the ability to build them locally, have access to them if needed.
This is especially important just prior to a new release! Please
do this <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>after</I
></SPAN
> the <TT
CLASS="LITERAL"
>$VERSION</TT
> and
other release specific data in <TT
CLASS="FILENAME"
>configure.in</TT
> has been
updated (this is done just prior to a new release).
</P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="SGML"
>3.1. Quickstart to Docbook and SGML</A
></H2
><P
> If you are not familiar with SGML, it is a markup language similar to HTML.
Actually, not a mark up language per se, but a language used to define
markup languages. In fact, HTML is an SGML application. Both will use
<SPAN
CLASS="QUOTE"
>"tags"</SPAN
> to format text and other content. SGML tags can be much
more varied, and flexible, but do much of the same kinds of things. The tags,
or <SPAN
CLASS="QUOTE"
>"elements"</SPAN
>, are definable in SGML. There is no set
<SPAN
CLASS="QUOTE"
>"standards"</SPAN
>. Since we are using
<SPAN
CLASS="APPLICATION"
>Docbook</SPAN
>, our tags are those that are defined by
<SPAN
CLASS="APPLICATION"
>Docbook</SPAN
>. Much of how the finish document is
rendered is determined by the <SPAN
CLASS="QUOTE"
>"stylesheets"</SPAN
>.
The stylesheets determine how each tag gets translated to HTML, or other
formats.</P
><P
> Tags in Docbook SGML need to be always <SPAN
CLASS="QUOTE"
>"closed"</SPAN
>. If not, you
will likely generate errors. Example: <TT
CLASS="LITERAL"
><title>My
Title</title></TT
>. They are also case-insensitive, but we
strongly suggest using all lower case. This keeps compatibility with
[Docbook] <SPAN
CLASS="APPLICATION"
>XML</SPAN
>.</P
><P
> Our documents use <SPAN
CLASS="QUOTE"
>"sections"</SPAN
> for the most part. Sections
will be processed into HTML headers (e.g. <TT
CLASS="LITERAL"
>h1</TT
> for
<TT
CLASS="LITERAL"
>sect1</TT
>). The <SPAN
CLASS="APPLICATION"
>Docbook</SPAN
> stylesheets
will use these to also generate the Table of Contents for each doc. Our
TOC's are set to a depth of three. Meaning <TT
CLASS="LITERAL"
>sect1</TT
>,
<TT
CLASS="LITERAL"
>sect2</TT
>, and <TT
CLASS="LITERAL"
>sect3</TT
> will have TOC
entries, but <TT
CLASS="LITERAL"
>sect4</TT
> will not. Each section requires
a <TT
CLASS="LITERAL"
><title></TT
> element, and at least one
<TT
CLASS="LITERAL"
><para></TT
>. There is a limit of five section
levels in Docbook, but generally three should be sufficient for our
purposes.</P
><P
> Some common elements that you likely will use:</P
><P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><para></para></I
></SPAN
>, paragraph delimiter. Most
text needs to be within paragraph elements (there are some exceptions).
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><emphasis></emphasis></I
></SPAN
>, the stylesheets
make this italics.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><filename></filename></I
></SPAN
>, files and directories.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><command></command></I
></SPAN
>, command examples.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><literallayout></literallayout></I
></SPAN
>, like
<TT
CLASS="LITERAL"
><pre></TT
>, more or less.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><itemizedlist></itemizedlist></I
></SPAN
>, list with bullets.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><listitem></listitem></I
></SPAN
>, member of the above.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><screen></screen></I
></SPAN
>, screen output, implies
<TT
CLASS="LITERAL"
><literallayout></TT
>.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><ulink url="example.com"></ulink></I
></SPAN
>, like
HTML <TT
CLASS="LITERAL"
><a></TT
> tag.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
><quote></quote></I
></SPAN
>, for, doh, quoting text.
</TD
></TR
></TBODY
></TABLE
><P
></P
><P
> Look at any of the existing docs for examples of all these and more.</P
><P
> You might also find
<SPAN
CLASS="QUOTE"
>"<A
HREF="https://web.archive.org/web/20160315230758/http://opensource.bureau-cornavin.com/crash-course/index.html"
TARGET="_top"
> Writing Documentation Using DocBook - A Crash Course</A
>"</SPAN
> useful.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="DOCSTYLE"
>3.2. <SPAN
CLASS="APPLICATION"
>Privoxy</SPAN
> Documentation Style</A
></H2
><P
> It will be easier if everyone follows a similar writing style. This
just makes it easier to read what someone else has written if it
is all done in a similar fashion.
</P
><P
> Here it is:
</P
><P
></P
><UL
><LI
><P
> All tags should be lower case.
</P
></LI
><LI
><P
> Tags delimiting a <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>block</I
></SPAN
> of text (even small
blocks) should be on their own line. Like:
</P
><P
CLASS="LITERALLAYOUT"
> <para><br>
Some text goes here.<br>
</para></P
><P
> Tags marking individual words, or few words, should be in-line:
</P
><P
CLASS="LITERALLAYOUT"
> Just to <emphasis>emphasize</emphasis>, some text goes here.</P
></LI
><LI
><P
> Tags should be nested and step indented for block text like: (except
in-line tags)
</P
><P
CLASS="LITERALLAYOUT"
> <para><br>
<itemizedlist><br>
<para><br>
<listitem><br>
Some text goes here in our list example.<br>
</listitem><br>
</para><br>
</itemizedlist><br>
</para></P
><P
> This makes it easier to find the text amongst the tags ;-)
</P
></LI
><LI
><P
> Use white space to separate logical divisions within a document,
like between sections. Running everything together consistently
makes it harder to read and work on.
</P
></LI
><LI
><P
> Do not hesitate to make comments. Comments can either use the
<comment> element, or the <!-- --> style comment
familiar from HTML. (Note in Docbook v4.x <comment> is
replaced by <remark>.)
</P
></LI
><LI
><P
> We have an international audience. Refrain from slang, or English
idiosyncrasies (too many to list :). Humor also does not translate
well sometimes.
</P
></LI
><LI
><P
> Try to keep overall line lengths in source files to 80 characters or less
for obvious reasons. This is not always possible, with lengthy URLs for
instance.
</P
></LI
><LI
><P
> Our documents are available in differing formats. Right now, they
are just plain text and/or HTML, but others are always a
future possibility. Be careful with URLs (<ulink>), and avoid
this mistake:
</P
><P
> My favorite site is <ulink url="http://example.com">here</ulink>.
</P
><P
> This will render as <SPAN
CLASS="QUOTE"
>"My favorite site is here"</SPAN
>, which is
not real helpful in a text doc. Better like this:
</P
><P
> My favorite site is <ulink url="http://example.com">example.com</ulink>.
</P
></LI
><LI
><P
> All documents should be spell checked occasionally.
<SPAN
CLASS="APPLICATION"
>aspell</SPAN
> can check SGML with the
<TT
CLASS="LITERAL"
>-H</TT
> option. (<SPAN
CLASS="APPLICATION"
>ispell</SPAN
> I think
too.)
</P
></LI
></UL
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="CUSTOM-ENTITIES"
>3.3. Privoxy Custom Entities</A
></H2
><P
> <SPAN
CLASS="APPLICATION"
>Privoxy</SPAN
> documentation is using
a number of customized <SPAN
CLASS="QUOTE"
>"entities"</SPAN
> to facilitate
documentation maintenance.
</P
><P
> We are using a set of <SPAN
CLASS="QUOTE"
>"boilerplate"</SPAN
> files with generic text,
that is used by multiple docs. This way we can write something once, and use
it repeatedly without having to re-write the same content over and over again.
If editing such a file, keep in mind that it should be
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>generic</I
></SPAN
>. That is the purpose; so it can be used in varying
contexts without additional modifications.
</P
><P
> We are also using what <SPAN
CLASS="APPLICATION"
>Docbook</SPAN
> calls
<SPAN
CLASS="QUOTE"
>"internal entities"</SPAN
>. These are like variables in
programming. Well, sort of. For instance, we have the
<TT
CLASS="LITERAL"
>p-version</TT
> entity that contains the current
<SPAN
CLASS="APPLICATION"
>Privoxy</SPAN
> version string. You are strongly
encouraged to use these where possible. Some of these obviously
require re-setting with each release (done by the Makefile). A sampling of
custom entities are listed below. See any of the main docs for examples.
</P
><P
></P
><UL
><LI
><P
> Re- <SPAN
CLASS="QUOTE"
>"boilerplate"</SPAN
> text entities are defined like:
</P
><P
> <TT
CLASS="LITERAL"
><!entity supported SYSTEM "supported.sgml"></TT
>
</P
><P
> In this example, the contents of the file,
<TT
CLASS="FILENAME"
>supported.sgml</TT
> is available for inclusion anywhere
in the doc. To make this happen, just reference the now defined
entity: <TT
CLASS="LITERAL"
>&supported;</TT
> (starts with an ampersand
and ends with a semi-colon), and the contents will be dumped into
the finished doc at that point.
</P
></LI
><LI
><P
> Commonly used <SPAN
CLASS="QUOTE"
>"internal entities"</SPAN
>:
</P
><P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>p-version</I
></SPAN
>: the <SPAN
CLASS="APPLICATION"
>Privoxy</SPAN
>
version string, e.g. <SPAN
CLASS="QUOTE"
>"3.0.32"</SPAN
>.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>p-status</I
></SPAN
>: the project status, either
<SPAN
CLASS="QUOTE"
>"alpha"</SPAN
>, <SPAN
CLASS="QUOTE"
>"beta"</SPAN
>, or <SPAN
CLASS="QUOTE"
>"stable"</SPAN
>.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>p-not-stable</I
></SPAN
>: use to conditionally include
text in <SPAN
CLASS="QUOTE"
>"not stable"</SPAN
> releases (e.g. <SPAN
CLASS="QUOTE"
>"beta"</SPAN
>).
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>p-stable</I
></SPAN
>: just the opposite.
</TD
></TR
><TR
><TD
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>p-text</I
></SPAN
>: this doc is only generated as text.
</TD
></TR
></TBODY
></TABLE
><P
></P
></LI
></UL
><P
> There are others in various places that are defined for a specific
purpose. Read the source!
</P
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