The people at Sams Publishing have spent many years developing and publishing computer books designed for ease of use and containing the most up-to-date information available. With that experience, we've learned what features help you the most. Look for these features throughout the book to help enhance your learning experience and get the most out of HTML.
Screen messages, code listings, and command samples appear in monospace type.
Uniform Resource Locators (URLs) used to identify pages on the Web and values for HTML attributes also appear in monospace type.
Terms that are defined in the text appear in italics.
Italics are sometimes used for emphasis, too.
In code lines, placeholders for variables are indicated by using
italic monospace type .
TIP
Tips give you advice on quick or overlooked procedures, including shortcuts.
NOTE
Notes present useful or interesting information that isn't necessarily essential to the current discussion, but might augment your understanding with background material or advice relating to the topic.
CAUTION
Cautions warn you about potential problems a procedure might cause, unexpected results, or mistakes that could prove costly.