/**

 \page preface Preface

<P>This manual describes the Fast Light Tool Kit ("FLTK")
version 1.3.0, a C++ Graphical User Interface
("GUI") toolkit for UNIX, Microsoft Windows and MacOS. Each
of the chapters in this manual is designed as a tutorial for
using FLTK, while the appendices provide a convenient reference
for all FLTK widgets, functions, and operating system
interfaces.</P>

<P><B>This manual may be printed, modified, and/or used under
the terms of the FLTK license provided in <A
HREF="license.html">Appendix H</A>.</B>

<H2>Organization</H2>

<P>This manual is organized into the following chapters and appendices:</P>

<UL>

	<LI><A HREF="intro.html#intro">Chapter 1 - Introduction to FLTK</A></LI>

	<LI><A HREF="basics.html#basics">Chapter 2 - FLTK Basics</A></LI>

	<LI><A HREF="common.html#common">Chapter 3 - Common Widgets and Attributes</A></LI>

	<LI><A HREF="editor.html#editor">Chapter 4 - Designing a Simple Text Editor</A></LI>

	<LI><A HREF="drawing.html#drawing">Chapter 5 - Drawing Things in FLTK</A></LI>

	<LI><A HREF="events.html#events">Chapter 6 - Handling Events</A></LI>

	<LI><A HREF="subclassing.html#subclassing">Chapter 7 - Adding and Extending Widgets</A></LI>

	<LI><A HREF="opengl.html#opengl">Chapter 8 - Using OpenGL</A></LI>

	<LI><A HREF="fluid.html#FLUID">Chapter 9 - Programming With FLUID</A></LI>

	<LI><A HREF="advanced.html">Chapter 10 - Advanced FLTK</A></LI>

	<LI><A HREF="classes.html">Appendix A - Class Reference</A></LI>

	<LI><A HREF="functions.html#functions">Appendix B - Function Reference</A></LI>

	<LI><A HREF="enumerations.html#Enumerations">Appendix C - FLTK Enumerations</A></LI>

	<LI><A HREF="glut.html#glut">Appendix D - GLUT Compatibility</A></LI>

	<LI><A HREF="forms.html#forms">Appendix E - Forms Compatibility</A></LI>

	<LI><A HREF="osissues.html#osissues">Appendix F - Operating System Issues</A></LI>

	<LI><A HREF="migration_1_1.html">Appendix G - Migrating from FLTK 1.0 to FLTK 1.1</A></LI>

	<LI><A HREF="migration_1_3.html">Appendix H - Migrating from FLTK 1.1 to FLTK 1.3</A></LI>

	<LI><A HREF="development.html">Appendix I - Developer Information</A></LI>

	<LI><A HREF="license.html#license">Appendix J - Software License</A></LI>

	<LI><A HREF="examples.html#examples">Appendix K - Example Source Code</A></LI>

</UL>

<H2>Conventions</H2>

<P>The following typeface conventions are used in this manual:</P>

<UL>
	<LI>Function and constant names are shown in <B><TT>bold courier type</TT></B></LI>

	<LI>Code samples and commands are shown in <TT>regular courier type</TT></LI>

</UL>

<H2>Abbreviations</H2>

<P>The following abbreviations are used in this manual:</P>

<DL>

	<DT>X11</DT>
	<DD>The X Window System version 11.</DD>

	<DT>Xlib</DT>
	<DD>The X Window System interface library.</DD>

	<DT>WIN32</DT>
	<DD>The Microsoft Windows 32-bit Application Programmer's Interface.</DD>

	<DT>MacOS</DT>
	<DD>The Apple Macintosh OS 8.6 and later, including OS X.</DD>

</DL>

<H2>Copyrights and Trademarks</H2>

<P>FLTK is Copyright 1998-2006 by Bill Spitzak and others.  Use and
distribution of FLTK is governed by the GNU Library General Public
License, located in <A HREF="license.html#license">Appendix H</A>.</P>

<P>UNIX is a registered trademark of the X Open Group, Inc. 
Microsoft and Windows are registered trademarks of Microsoft
Corporation. OpenGL is a registered trademark of Silicon
Graphics, Inc. Apple, Macintosh, MacOS, and Mac OS X are
registered trademarks of Apple Computer, Inc.</P>

*/