Wireless Markup Language (WML) Tutorial

Introduction

The Wireless Markup Language (WML) is the markup language used to make sites suitable for viewing using a WAP (Wireless Application Protocol) device. If you don't have a WAP device to view the pages, you can get a simulator by downloading the Wireless Companion from YourWAP. The Wireless Markup Language (WML) documents are based on the Extensible Markup Language (XML), and as such need to be well-formed.

  • WML is case sensitive. Elements and attributes are all in lowercase.
  • All tags must have closing tags.
  • Tags must be nested correctly.
  • All attribute values must be enclosed in either single or double quotes.

A WML document must correspond to a valid Document Type Definition (DTD). The DTD used throughout this tutorial is wml_1.1.xml. The DTD should be specified at the top of the document following an xml declaration, as in the following example.

<?xml version="1.0" encoding="iso-8859-1" ?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
    "http://www.wapforum.org/DTD/wml_1.1.xml">

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Gez Lemon United Kingdom

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