viii Preface
example, the section on graphics inclusion and color was originally
treated as an exotic freak, relegated to an appendix on extensions;
in the third edition, it moved up to be included in a front chapter
along with the picture environment and floats; now it dominates
Chapter 6 all on its own, the floats come in the following Chapter 7,
and picture is banished to the later Chapter 13. This is not to say
that the picture features are no good, but only that they are very
specialized. We add descriptions of additional drawing possibilities
there too.
2. It is stressed as much as possible that L
A
T
E
X is a markup language,
with separation of content and form. Typographical settings should
be placed in the preamble, while the body contains only logical
markup. This is in keeping with the modern ideas of XML, where
form and content are radically segregated.
3. Throughout this edition, contributed packages are explained at that
point in the text where they are most relevant. The fancyhdr
package comes in the section on page styles, natbib where literature
citations are explained. This stresses that these ‘extensions’ are part
of the L
A
T
E
X system as a whole. However, to remind the user that
they must still be explicitly loaded, a marginal note is placed at the
start of their descriptions.
4. PDF output is taken for granted throughout the book, in addition
to the classical DVI format. This means that the added possibilities
of pdfT
E
X and dvipdfm are explained where they are relevant. A
separate Chapte r 10 on PostScript and PDF is still necessary, and the
best interface to PDF output, the hyperref package by Sebastian
Rahtz, is explained in detail. PDF is also included in Chapter 15 on
presentation material.
On the other hand, the other Web output formats, HTML and XML,
are only dealt with briefly in Appendix E, since these are large topics
treated in other books, most noticeably the L
A
T
E
X Web Companion.
5. This book is being distributed with the T
E
XLive CD, with the kind
permission of Sebastian Rahtz who maintains it for the T
E
X Users
Group. It contains a full T
E
X and L
A
T
E
X installation for Windows,
Macintosh, and Linux, plus many of the myriad extensions that
exist.
We once again express our hope that this Guide will prove more than
useful to all those who wish to find their way through the intricate world
of L
A
T
E
X. And with the addition of the T
E
XLive CD, that world is brought
even closer to their doorsteps.
Helmut Kopka and Patrick W. Daly
June, 2003
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