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Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
<chapter id="documentation">
<title>Documenting Wine</title>
<para>How to help out with the Wine documentation effort...</para>
<sect1 id="api-docs">
<title>Writing Wine API Documentation</title>
<para>
Documentation update.
2000-12-13 22:52:37 +01:00
Written by &name-douglas-ridgway; <email>&email-douglas-ridgway;</email>
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
</para>
<para>
(Extracted from <filename>wine/documentation/README.documentation</filename>)
</para>
<para>
To improve the documentation of the Wine API, just add
comments to the existing source. For example,
</para>
<screen>
/******************************************************************
Documentation update.
2000-12-13 22:52:37 +01:00
* CopyMetaFileA (GDI32.23)
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
*
* Copies the metafile corresponding to hSrcMetaFile to either
* a disk file, if a filename is given, or to a new memory based
* metafile, if lpFileName is NULL.
*
* RETURNS
*
* Handle to metafile copy on success, NULL on failure.
*
* BUGS
*
* Copying to disk returns NULL even if successful.
*/
Documentation update.
2000-12-13 22:52:37 +01:00
HMETAFILE WINAPI CopyMetaFileA(
HMETAFILE hSrcMetaFile, /* handle of metafile to copy */
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
LPCSTR lpFilename /* filename if copying to a file */
) { ... }
</screen>
<para>
becomes, after processing with <command>c2man</command> and
<command>nroff -man</command>,
</para>
<screen>
CopyMetaFileA(3w) CopyMetaFileA(3w)
NAME
Documentation update.
2000-12-13 22:52:37 +01:00
CopyMetaFileA (GDI32.23)
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
SYNOPSIS
Documentation update.
2000-12-13 22:52:37 +01:00
HMETAFILE CopyMetaFileA
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
(
Documentation update.
2000-12-13 22:52:37 +01:00
HMETAFILE hSrcMetaFile,
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
LPCSTR lpFilename
);
PARAMETERS
Documentation update.
2000-12-13 22:52:37 +01:00
HMETAFILE hSrcMetaFile
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
Handle of metafile to copy.
LPCSTR lpFilename
Filename if copying to a file.
DESCRIPTION
Copies the metafile corresponding to hSrcMetaFile to
either a disk file, if a filename is given, or to a new
memory based metafile, if lpFileName is NULL.
RETURNS
Handle to metafile copy on success, NULL on failure.
BUGS
Copying to disk returns NULL even if successful.
SEE ALSO
GetMetaFileA(3w), GetMetaFileW(3w), CopyMetaFileW(3w),
PlayMetaFile(3w), SetMetaFileBitsEx(3w), GetMetaFileBit-
sEx(3w)
</screen>
</sect1>
New section about writing docs in DocBook and dealing with the Wine SGML build system; half done, but a good start.
2001-02-12 02:14:34 +01:00
<sect1 id="wine-docbook">
<title>The Wine DocBook System</title>
<para>
Written by &name-john-sheets; <email>&email-john-sheets;</email>
</para>
<sect2 id="writing-docbook">
<title>Writing Documentation with DocBook</title>
<para>
DocBook is a flavor of <acronym>SGML</acronym>
(<firstterm>Standard Generalized Markup
Language</firstterm>), a syntax for marking up the contents
of documents. HTML is another very common flavor of SGML;
DocBook markup looks very similar to HTML markup, although
the names of the markup tags differ.
</para>
<sect3>
<title>Terminology</title>
<para>
SGML markup contains a number of syntactical elements that
serve different purposes in the markup. We'll run through
the basics here to make sure we're on the same page when
we refer to SGML semantics.
</para>
<para>
The basic currency of SGML is the
<firstterm>tag</firstterm>. A simple tag consists of a
pair of angle brackets and the name of the tag. For
example, the <sgmltag>para</sgmltag> tag would appear in
an SGML document as <sgmltag
class="starttag">para</sgmltag>. This start tag indicates
that the immediately following text should be classified
according to the tag. In regular SGML, each opening tag
must have a matching end tag to show where the start tag's
contents end. End tags begin with
<quote><literal>&lt;/</literal></quote> markup, e.g.,
<sgmltag class="endtag">para</sgmltag>.
</para>
<para>
The combination of a start tag, contents, and an end tag
is called an <firstterm>element</firstterm>. SGML
elements can be nested inside of each other, or contain
only text, or may be a combination of both text and other
elements, although in most cases it is better to limit
your elements to one or the other.
</para>
<para>
The <acronym>XML</acronym> (<firstterm>eXtensible Markup
Language</firstterm>) specification, a modern subset of
the SGML specification, adds a so-called <firstterm>empty
tag</firstterm>, for elements that contain no text
content. The entire element is a single tag, ending with
<quote><literal>/&gt;</literal></quote>, e.g.,
<sgmltag>&lt;xref/&gt;</sgmltag>. However, use of this
tag style restricts you to XML DocBook processing, and
your document may no longer compile with SGML-only
processing systems.
</para>
<!-- *** Note: We could normally use the "emptytag"
attribute for XML empty tags, but that's only a recent
addition, and we don't want to screw up documents
generated against older stylesheets.
*** -->
<para>
Often a processing system will need more information about
an element than you can provide with just tags. SGML
allows you to add extra <quote>hints</quote> in the form
of SGML <firstterm>attributes</firstterm> to pass along
this information. The most common use of attributes in
DocBook is giving specific elements a name, or an ID, so
you can refer to it from elsewhere. This ID can be used
for many things, including file-naming for HTML output,
hyper-linking to specific parts of the document, and even
pulling text from that element (see the <sgmltag
class="starttag">xref</sgmltag> tag).
</para>
<para>
An SGML attribute appears inside the start tag, between
the &lt; and &gt; brackets. For example, if you wanted to
set the <sgmltag class="attribute">id</sgmltag> attribute
of the <sgmltag class="starttag">book</sgmltag> element to
<quote>mybook</quote>, you would create a start tag like
this: <programlisting>&lt;book id="mybook"></programlisting>
</para>
<para>
Notice that the contents of the attribute are enclosed in
quote marks. These quotes are optional in SGML, but
mandatory in XML. It's a good habit to use quotes, as it
will make it much easier to migrate your documents to an
XML processing system later on.
</para>
<para>
You can also specify more than one attribute in a single
tag: <programlisting>&lt;book id="mybook" status="draft"></programlisting>
</para>
<para>
Another commonly used type of SGML markup is the
<firstterm>entity</firstterm>. An entity lets you
associate a block of text with a name. You declare the
entity once, at the beginning of your document, and can
invoke it as many times as you like throughout the
document. You can use entities as shorthand, or to make
it easier to maintain certain phrases in a central
location, or even to insert the contents of an entire file
into your document.
</para>
<para>
An entity in your document is always surrounded by the
<quote>&amp;</quote> and <quote>;</quote> characters. One
entity you'll need sooner or later is the one for the
<quote>&lt;</quote> character. Since SGML expects all
tags to begin with a <quote>&lt;</quote>, the
<quote>&lt;</quote> is a reserved character. To use it in
your document (as I am doing here), you must insert it
with the <literal>&amp;lt;</literal> entity. Each time
the SGML processor encounters <literal>&amp;lt;</literal>,
it will place a literal <quote>&lt;</quote> in the output
document.
</para>
<para>
The final term you'll need to know when writing simple
DocBook documents is the <acronym>DTD</acronym>
(<firstterm>Document Type Declaration</firstterm>). The
DTD defines the flavor of SGML a given document is written
in. It lists all the legal tag names, like <sgmltag
class="starttag">book</sgmltag>, <sgmltag
class="starttag">para</sgmltag>, and so on, and declares
how those tags are allowed to be used together. For
example, it doesn't make sense to put a <sgmltag
class="starttag">book</sgmltag> element inside a <sgmltag
class="starttag">para</sgmltag> paragraph element -- only
the reverse.
</para>
<para>
The DTD thus defines the legal structure of the document.
It also declares which attributes can be used with which
tags. The SGML processing system can use the DTD to make
sure the document is laid out properly before attempting
to process it. SGML-aware text editors like <link
linkend="emacs-psgml">Emacs</link> can also use the DTD to
guide you while you write, offering you choices about
which tags you can add in different places in the
document, and beeping at you when you try to add a tag
where it doesn't belong.
</para>
<para>
Generally, you will declare which DTD you want to use as
the first line of your SGML document. In the case of
DocBook, you will use something like this:
<programlisting>&lt!doctype book PUBLIC "-//OASIS//DTD
DocBook V3.1//EN" []> &lt;book> ...
&lt;/book></programlisting>
</para>
<para>
Note that you must specify your toplevel element inside
the doctype declaration. If you were writing an article
rather than a book, you might use this declaration instead:
<programlisting>&lt!doctype article PUBLIC "-//OASIS//DTD DocBook V3.1//EN" []>
&lt;article>
...
&lt;/article></programlisting>
</para>
</sect3>
<sect3 id="sgml-document">
<title>The Document</title>
<para>
Once you're comfortable with SGML, creating a DocBook
document is quite simple and straightforward. Even
though DocBook contains over 300 different tags, you can
usually get by with only a small subset of those tags.
Most of them are for inline formatting, rather than for
document structuring. Furthermore, the common tags have
short, intuitive names.
</para>
<para>
Below is a (completely nonsensical) example to illustrate
how a simple document might be laid out. Notice that all
<sgmltag class="starttag">chapter</sgmltag> and <sgmltag
class="starttag">sect1</sgmltag> elements have <sgmltag
class="attribute">id</sgmltag> attributes. This is not
mandatory, but is a good habit to get into, as DocBook is
commonly converted into HTML, with a separate generated
file for each <sgmltag class="starttag">book</sgmltag>,
<sgmltag class="starttag">chapter</sgmltag>, and/or <sgmltag
class="starttag">sect1</sgmltag> element. If the given
element has an <sgmltag class="attribute">id</sgmltag>
attribute, the processor will typically name the file
accordingly. Thus, the below document might result in
<filename>index.html</filename>,
<filename>chapter-one.html</filename>,
<filename>blobs.html</filename>, and so on.
</para>
<para>
Also notice the text marked off with <quote>&lt;!--
</quote> and <quote> --&gt;</quote> characters. These
denote SGML comments. SGML processors will completely
ignore anything between these markers, similar to
<quote>/*</quote> and <quote>*/</quote> comments in C
source code.
</para>
<!-- Encase the following SGML excerpt inside a CDATA
block so we don't have to bother converting all
brackets to entities
-->
<programlisting>
<![CDATA[
<!doctype book PUBLIC "-//OASIS//DTD DocBook V3.1//EN" []>
<book id="index">
<bookinfo>
<title>A Poet's Guide to Nonsense</title>
</bookinfo>
<chapter id="chapter-one">
<title>Blobs and Gribbles</title>
<!-- This section contains only one major topic -->
<sect1 id="blobs">
<title>The Story Behind Blobs</title>
<para>
Blobs are often mistaken for ice cubes and rain
puddles...
</para>
</sect1>
<!-- This section contains embedded sub-sections -->
<sect1 id="gribbles">
<title>Your Friend the Gribble</title>
<para>
A Gribble is a cute, unassuming little fellow...
</para>
<sect2 id="gribble-temperament">
<title>Gribble Temperament</title>
<para>
When left without food for several days...
</para>
</sect2>
<sect2 id="gribble-appearance">
<title>Gribble Appearance</title>
<para>
Most Gribbles have a shock of white fur running from...
</para>
</sect2>
</sect1>
</chapter>
<chapter id="chapter-two">
<title>Phantasmagoria</title>
<sect1 id="dretch-pools">
<title>Dretch Pools</title>
<para>
When most poets think of Dretch Pools, they tend to...
</para>
</sect>
</chapter>
</book>
]]>
</programlisting>
</sect3>
<sect3>
<title>Common Elements</title>
<para>
Once you get used to the syntax of SGML, the next hurdle
in writing DocBook documentation is to learn the many
DocBook-specific tag names, and when to use them. DocBook
was created for technical documentation, and as such, the
tag names and document structure are slanted towards the
needs of such documentation.
</para>
<para>
To cover its target audience, DocBook declares a wide
variety of specialized tags, including tags for formatting
source code (with somewhat of a C/C++ bias), computer
prompts, GUI application features, keystrokes, and so on.
DocBook also includes tags for universal formatting needs,
like headers, footnotes, tables, and graphics.
</para>
<para>
We won't cover all of these elements here (over 300
DocBook tags exist!), but we will cover the basics. To
learn more about the other tags, check out the official
DocBook guide, at <ulink
url="http://docbook.org">http://docbook.org</ulink>. To
see how they are used in practice, download the SGML
source for this manual (the Wine Developer Guide) and
browse through it, comparing it to the generated HTML (or
PostScript or PDF).
</para>
<para>
There are often many correct ways to mark up a given piece
of text, and you may have to make guesses about which tag
to use. Sometimes you'll have to make compromises.
However, remember that it is possible to further <link
linkend="docbook-tweaking">customize the output</link> of
the SGML processors. If you don't like the way a certain
tag looks in HTML, that doesn't mean you should choose a
different tag based on its output formatting. The
processing stylesheets can be altered to fix the
formatting of that same tag everywhere in the document
(not just in the place you're working on). For example,
if you're frustrated that the <sgmltag
class="starttag">systemitem</sgmltag> tag doesn't produce
any formatting by default, you should fix the stylesheets,
not change the valid <sgmltag
class="starttag">systemitem</sgmltag> tag to, for example,
an <sgmltag class="starttag">emphasis</sgmltag> tag.
</para>
<para>
Here are the common SGML elements:
</para>
<variablelist>
<title>Structural Elements</title>
<varlistentry>
<term><sgmltag class="starttag">book</sgmltag></term>
<listitem>
<para>
The book is the most common toplevel element, and is
probably the one you should use for your document.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">set</sgmltag></term>
<listitem>
<para>
If you want to group more than one book into a
single unit, you can place them all inside a set.
This is useful when you want to bundle up
documentation in alternate ways. We do this with
the Wine documentation, using a <sgmltag
class="starttag">set</sgmltag> to put everything
into a single directory (see
<filename>documentation/wine-doc.sgml</filename>),
and a <sgmltag class="starttag">book</sgmltag> to
put each Wine guide into a separate directory (see
<filename>documentation/wine-devel.sgml</filename>,
etc.).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">chapter</sgmltag></term>
<listitem>
<para>
A <sgmltag class="starttag">chapter</sgmltag>
element includes a single entire chapter of the
book.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">part</sgmltag></term>
<listitem>
<para>
If the chapters in your book fall into major
categories or groupings (as in the Wine Developer
Guide), you can place each collection of chapters
into a <sgmltag class="starttag">part</sgmltag>
element.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">sect?</sgmltag></term>
<listitem>
<para>
DocBook has many section elements to divide the
contents of a chapter into smaller chunks. The
encouraged approach is to use the numbered section
tags, <sgmltag class="starttag">sect1</sgmltag>,
<sgmltag class="starttag">sect2</sgmltag>, <sgmltag
class="starttag">sect3</sgmltag>, <sgmltag
class="starttag">sect4</sgmltag>, and <sgmltag
class="starttag">sect5</sgmltag> (if necessary).
These tags must be nested in order: you can't place
a <sgmltag class="starttag">sect3</sgmltag> directly
inside a <sgmltag class="starttag">sect1</sgmltag>.
You have to nest the <sgmltag
class="starttag">sect3</sgmltag> inside a <sgmltag
class="starttag">sect2</sgmltag>, and so forth.
Documents with these explicit section groupings are
easier for SGML processors to deal with, and lead to
better organized documents. DocBook also supplies a
<sgmltag class="starttag">section</sgmltag> element
which you can nest inside itself, but its use is
discouraged in favor of the numbered section tags.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">title</sgmltag></term>
<listitem>
<para>
The title of a book, chapter, part, section, etc.
In most of the major structural elements, like
<sgmltag class="starttag">chapter</sgmltag>,
<sgmltag class="starttag">part</sgmltag>, and the
various section tags, <sgmltag
class="starttag">title</sgmltag> is mandatory. In
other elements like <sgmltag
class="starttag">book</sgmltag> and <sgmltag
class="starttag">note</sgmltag>, it's optional.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">para</sgmltag></term>
<listitem>
<para>
The basic unit of text is the paragraph, represented
by the <sgmltag class="starttag">para</sgmltag> tag.
This is probably the tag you'll use most often. In
fact, in a simple document, you can probably get
away with using only <sgmltag
class="starttag">book</sgmltag>, <sgmltag
class="starttag">chapter</sgmltag>, <sgmltag
class="starttag">title</sgmltag>, and <sgmltag
class="starttag">para</sgmltag>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">article</sgmltag></term>
<listitem>
<para>
For shorter, more targeted documents, like topic
pieces and whitepapers, you can use <sgmltag
class="starttag">article</sgmltag> as your toplevel
element.
</para>
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<title>Inline Formatting Elements</title>
<varlistentry>
<term><sgmltag class="starttag">filename</sgmltag></term>
<listitem>
<para>
The name of a file. You can optionally set the
<sgmltag class="attribute">class</sgmltag> attribute
to <literal>Directory</literal>,
<literal>HeaderFile</literal>, and
<literal>SymLink</literal> to further classify the
filename.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">userinput</sgmltag></term>
<listitem>
<para>
Literal text entered by the user.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">computeroutput</sgmltag></term>
<listitem>
<para>
Literal text output by the computer.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">literal</sgmltag></term>
<listitem>
<para>
A catch-all element for literal computer data. Its
use is somewhat vague; try to use a more specific
tag if possible, like <sgmltag
class="starttag">userinput</sgmltag> or <sgmltag
class="starttag">computeroutput</sgmltag>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">quote</sgmltag></term>
<listitem>
<para>
An inline quotation. This tag typically inserts
quotation marks for you, so you would write <sgmltag
class="starttag">quote</sgmltag>This is a
quote<sgmltag class="endtag">quote</sgmltag> rather
than "This is a quote". This usage may be a little
bulkier, but it does allow for automated formatting
of all quoted material in the document. Thus, if
you wanted all quotations to appear in italic, you
could make the change once in your stylesheet,
rather than doing a search and replace throughout
the document. For larger chunks of quoted text, you
can use <sgmltag
class="starttag">blockquote</sgmltag>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">note</sgmltag></term>
<listitem>
<para>
Insert a side note for the reader. By default, the
SGML processor usually prefixes the content with
"Note:". You can change this text by adding a
<sgmltag class="starttag">title</sgmltag> element.
Thus, to add a visible FIXME comment to the
documentation, you might write:
</para>
<programlisting>
<![CDATA[
<note>
<title>FIXME</title>
<para>This section needs more info about...</para>
</note>
]]></programlisting>
<para>
The results will look something like this:
</para>
<note>
<title>FIXME</title>
<para>This section needs more info about...</para>
</note>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">sgmltag</sgmltag></term>
<listitem>
<para>
Used for inserting SGML tags, etc., into a SGML
document without resorting to a lot of entity
quoting, e.g., &amp;lt;. You can change the
appearance of the text with the <sgmltag
class="attribute">class</sgmltag> attribute. Some
common values of this are
<literal>starttag</literal>,
<literal>endtag</literal>,
<literal>attribute</literal>,
<literal>attvalue</literal>, and even
<literal>sgmlcomment</literal>. See this SGML file,
<filename>documentation/documentation.sgml</filename>,
for examples.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">prompt</sgmltag></term>
<listitem>
<para>
The text used for a computer prompt, for example a
shell prompt, or command-line application prompt.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">replaceable</sgmltag></term>
<listitem>
<para>
Meta-text that should be replaced by the user, not
typed in literally, e.g., in command descriptions
and <parameter>--help</parameter> outputs.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">constant</sgmltag></term>
<listitem>
<para>
A programming constant, e.g.,
<constant>MAX_PATH</constant>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">symbol</sgmltag></term>
<listitem>
<para>
A symbolic value replaced, for example, by a
pre-processor. This applies primarily to C macros,
but may have other uses. Use the <sgmltag
class="starttag">constant</sgmltag> tag instead of
<sgmltag class="starttag">symbol</sgmltag> where
appropriate.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">function</sgmltag></term>
<listitem>
<para>
A programming function name.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">parameter</sgmltag></term>
<listitem>
<para>
Programming language parameters you pass with a
function.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">option</sgmltag></term>
<listitem>
<para>
Parameters you pass to a command-line executable.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">varname</sgmltag></term>
<listitem>
<para>
Variable name, typically in a programming language.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">type</sgmltag></term>
<listitem>
<para>
Programming language types, e.g., from a typedef
definition. May have other uses, too.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">structname</sgmltag></term>
<listitem>
<para>
The name of a C-language <type>struct</type>
declaration, e.g., <structname>sockaddr</structname>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">structfield</sgmltag></term>
<listitem>
<para>
A field inside a C <type>struct</type>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">command</sgmltag></term>
<listitem>
<para>
An executable binary, e.g., <command>wine</command>
or <command>ls</command>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">envar</sgmltag></term>
<listitem>
<para>
An environment variable, e.g, <envar>$PATH</envar>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">systemitem</sgmltag></term>
<listitem>
<para>
A generic catch-all for system-related things, like
OS names, computer names, system resources, etc.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">email</sgmltag></term>
<listitem>
<para>
An email address. The SGML processor will typically
add extra formatting characters, and even a
<literal>mailto:</literal> link for HTML pages.
Usage: <sgmltag
class="starttag">email</sgmltag>user@host.com<sgmltag
class="endtag">email</sgmltag>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">firstterm</sgmltag></term>
<listitem>
<para>
Special emphasis for introducing a new term. Can
also be linked to a <sgmltag
class="starttag">glossary</sgmltag> entry, if
desired.
</para>
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<title>Item Listing Elements</title>
<varlistentry>
<term><sgmltag class="starttag">itemizedlist</sgmltag></term>
<listitem>
<para>
For bulleted lists, no numbering. You can tweak the
layout with SGML attributes.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">orderedlist</sgmltag></term>
<listitem>
<para>
A numbered list; the SGML processor will insert the
numbers for you. You can suggest numbering styles
with the <sgmltag
class="attribute">numeration</sgmltag> attribute.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">simplelist</sgmltag></term>
<listitem>
<para>
A very simple list of items, often inlined. Control
the layout with the <sgmltag
class="attribute">type</sgmltag> attribute.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">variablelist</sgmltag></term>
<listitem>
<para>
A list of terms with definitions or descriptions,
like this very list!
</para>
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<title>Block Text Quoting Elements</title>
<varlistentry>
<term><sgmltag class="starttag">programlisting</sgmltag></term>
<listitem>
<para>
Quote a block of source code. Typically highlighted
in the output and set off from normal text.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">screen</sgmltag></term>
<listitem>
<para>
Quote a block of visible computer output, like the
output of a command or chunks of debug logs.
</para>
</listitem>
</varlistentry>
</variablelist>
<variablelist>
<title>Hyperlink Elements</title>
<varlistentry>
<term><sgmltag class="starttag">link</sgmltag></term>
<listitem>
<para>
Generic hypertext link, used for pointing to other
sections within the current document. You supply
the visible text for the link, plus the name of the <sgmltag
class="attribute">id</sgmltag> attribute of the
element that you want to link to. For example:
<programlisting>&lt;link linkend="configuring-wine">the section on configuring wine&lt;/link>
...
&lt;sect2 id="configuring-wine">
...</programlisting>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">xref</sgmltag></term>
<listitem>
<para>
In-document hyperlink that can generate its own
text. Similar to the <sgmltag
class="starttag">link</sgmltag> tag, you use the
<sgmltag class="attribute">linkend</sgmltag>
attribute to specify which target element you want
to jump to:
</para>
<para>
<programlisting>&lt;xref linkend="configuring-wine">
...
&lt;sect2 id="configuring-wine">
...</programlisting>
</para>
<para>
By default, most SGML processors will autogenerate
some generic text for the <sgmltag
class="starttag">xref</sgmltag> link, like
<quote>Section 2.3.1</quote>. You can use the
<sgmltag class="attribute">endterm</sgmltag>
attribute to grab the visible text content of the
hyperlink from another element:
</para>
<para>
<programlisting>&lt;xref linkend="configuring-wine" endterm="config-title">
...
&lt;sect2 id="configuring-wine">
&lt;title id="config-title">Configuring Wine&lt;/title>
...</programlisting>
</para>
<para>
This would create a link to the
<symbol>configuring-wine</symbol> element,
displaying the text of the
<symbol>config-title</symbol> element for the
hyperlink. Most often, you'll add an <sgmltag
class="attribute">id</sgmltag> attribute to the
<sgmltag class="starttag">title</sgmltag> of the
section you're linking to, as above, in which case
the SGML processor will use the target's title text
for the link text.
</para>
<para>
Alternatively, you can use an <sgmltag
class="attribute">xreflabel</sgmltag> attribute in
the target element tag to specify the link text:
</para>
<programlisting>&lt;sect1 id="configuring-wine" xreflabel="Configuring Wine"></programlisting>
<note>
<para>
<sgmltag class="starttag">xref</sgmltag> is an
empty element. You don't need a closing tag for
it (this is defined in the DTD). In SGML
documents, you should use the form <sgmltag
class="starttag">xref</sgmltag>, while in XML
documents you should use
<sgmltag>&lt;xref/></sgmltag>.
</para>
</note>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">anchor</sgmltag></term>
<listitem>
<para>
An invisible tag, used for inserting <sgmltag
class="attribute">id</sgmltag> attributes into a
document to link to arbitrary places (i.e., when
it's not close enough to link to the top of an
element).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">ulink</sgmltag></term>
<listitem>
<para>
Hyperlink in URL form, e.g., <ulink
url="http://www.winehq.com">http://www.winehq.com</ulink>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><sgmltag class="starttag">olink</sgmltag></term>
<listitem>
<para>
Indirect hyperlink; can be used for linking to
external documents. Not often used in practice.
</para>
</listitem>
</varlistentry>
</variablelist>
</sect3>
<sect3>
<title>Multiple SGML files</title>
<para>
How to split an SGML document into multiple files...
</para>
</sect3>
</sect2>
<sect2 id="sgml-environment">
<title>The SGML Environment</title>
<para>
You can write SGML/DocBook documents in any text editor you
might find (although as we'll find in <xref
linkend="emacs-psgml">, some editors are more friendly for
this task than others). However, if you want to convert
those documents into a more friendly form for reading, such
as HTML, PostScript, or PDF, you will need a working SGML
environment. This section attempts to lay out the various
SGML rendering systems, and how they are set up on the
popular Linux distributions.
</para>
<sect3>
<title>DSSSL Environment</title>
<para>
Explain tools and methodologies..
</para>
</sect3>
<sect3>
<title>XSLT Environment</title>
<para>
Explain tools and methodologies...
</para>
</sect3>
<sect3>
<title>SGML on Redhat</title>
<para>
Most Linux distributions have everything you need already
bundled up in package form. Unfortunately, each
distribution seems to handle its SGML environment
differently, installing it into different paths, and
naming its packages according to its own whims.
</para>
</sect3>
<sect3>
<title>SGML on Debian</title>
<para>
List package names and install locations...
</para>
</sect3>
<sect3>
<title>SGML on Other Distributions</title>
<para>
List package names and install locations...
</para>
</sect3>
</sect2>
<sect2 id="emacs-psgml">
<title>PSGML Mode in Emacs</title>
<para>
Although you can write SGML documentation in any simple text
editor, some editors provide extra support for entering SGML
tags, and for verifying that the SGML you create is valid.
SGML has been around for a long time, and many commercial
editors exist for it; however, until recently open source
SGML editors have been scarce.
</para>
<note>
<title>FIXME</title>
<para>
List the available commercial and open source SGML
editors.
</para>
</note>
<para>
The most commonly used open source SGML editor is Emacs,
with the PSGML <firstterm>mode</firstterm>, or extension.
Emacs does not supply a GUI or WYSIWYG (What You See Is What
You Get) interface, but it does provide many helpful
shortcuts for creating SGML, as well as automatic
formatting, validity checking, and the ability to create
your own macros to simplify complex, repetitive actions.
We'll touch briefly on each of these points.
</para>
<para>
The first thing you need is a working installation of Emacs
(or XEmacs), with the PSGML package. Most Linux
distributions provide both as easy-to-install packages.
</para>
<para>
Next, you'll need a working SGML environment. See <xref
linkend="sgml-environment"> for more info on setting that
up.
</para>
</sect2>
<sect2 id="docbook-build">
<title>The DocBook Build System</title>
<sect3 id="docbook-infrastructure">
<title>Basic Infrastructure</title>
<para>
How the build/make system works (makefiles, db2html,
db2html-winehq, jade, stylesheets).
</para>
</sect3>
<sect3 id="docbook-tweaking">
<title>Tweaking the DSSSL stylesheets</title>
<para>
Things you can tweak, and how to do it (examples from
default.dsl and winehq.dsl).
</para>
</sect3>
<sect3 id="docbook-generating">
<title>Generating docs for Wine web sites</title>
<para>
Explain make_winehq, rsync, etc.
</para>
</sect3>
</sect2>
</sect1>
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
</chapter>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
Documentation update.
2000-12-13 22:52:37 +01:00
sgml-parent-document:("wine-doc.sgml" "set" "book" "part" "chapter" "")
Converted Wine documentation to SGML format.
2000-08-08 03:24:00 +02:00
End:
-->