XML For Dummies, 2nd Edition Glossary: G-L

GUI (Graphical User Interface)
A computer interface in which windows, graphics, and a mouse (or trackball) are used to interact with information instead of plain text at a command line.

hexadecimal identifier
A symbolic or numeric code that is followed by a hash mark and a lowercase x ("&#x" and "#x" are equivalent hexadecimal identifiers; one is symbolic, the other numeric).

HTML (HyperText Markup Language)
One of the document description markup languages used to create Web pages.

HTML syntax
The rules that govern the construction of intelligible HTML documents or markup fragments.

A way of linking document locations together so that when a particular element is clicked, the user is taken to another location within the same document or to another Web document.

An ISO standard that develops its own set of useful linking concepts and mechanisms.

ICO format
A format used by Internet Explorer 4 to define icon-sized logos, for example, logo.ico.

Users can define a particular element type as legal within a content model, thereby including it in the set of usable types.

inline styles
A style that applies to an element within the XML document itself.

InnerHTML property
Defines a text or other display property of an HTML element that itself includes HTML tags; when changes or replacements are made, the content changes, but the outer HTML tags remain unaltered. This terminology reflects the capabilities of the Document Object Model to dynamically update text and markup in an HTML document; here, the innerHTML represents that portion of the markup that does change dynamically.

A network within a company or organization that uses the same protocols as the Internet.

ISO (International Standards Organization)
The most popular computing and communication standards organization. It is comprised of standards bodies from all over the world.

ISO/IEC 10646-1
One of the many ISO standards. It contains a list of the Unicode ranges and characters.

Also known as ISO 8859-1 (the numeric equivalent). It is the default character set used by XML and HTML. The ISO part means that it's taken from the International Standards Organization's body of official international standards. The Latin part means that it's derived from the Roman alphabet (commonly used worldwide to represent text in many different languages). The number 1 refers to the version number for this standard. In other words, this is the first version of this character set definition.

An object-oriented programming language that is used for Web application development. It was created by Sun Microsystems.

Java Archive (JAR) file
A special Java container file that acts like a callable program library for Java code elements (so that a single compilation link provides access to multiple elements, rather than requiring bindings for each element individually).

Java runtime
The Java Virtual Machine that provides support for the interpretation and execution of Java bytecodes as a Java application or applet is being executed. The JVM basically provides an extension to the underlying operating system that supports Java objects, classes, and methods.

JPEG (Joint Photographic Experts Group)
A standard method of compressing still images, such as photographs. Files of this type that are stored on Windows or DOS machines have the extension .jpg.

Language Technology Group
The organization that created LT XML -- a C++ and Java-based XML processing tool.

Layman-Bray proposal
A proposal for XML namespaces that allows anyone to combine vocabulary from different DTDs in a single XML document without naming conflicts.

link feature
An SGML feature that lets users add formatting instructions -- or other associations for some element -- without altering the document's content.

A UNIX original, Lynx is a text (character)-mode Web browser that remains widely used today on many platforms, despite the popularity of graphical-mode browsers.

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Revised -- February 7, 2000