XML and HTML: So many tags, so little time.

11/5/98


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Table of Contents

XML and HTML: So many tags, so little time.

Goals

Markup

Markup Language

Markup Example

On the Web - HTML

A Basic “Idealized” Web Page

Would be rendered as ...

Basic Elements

Attributes

Authoring Tools

The Big Picture for MLs

Problem: HTML is really HTFL

Problem: HTFL is a blunt tool

Solution: More Markup Languages!

Why XML is great.

A Weather Example

The ML world now.

The Evolving Web

Separates Content from Formatting

Elements and Tags

Example: … six tags, three elements.

XML Rules for “well-formedness”

XML Rules for “well-formedness”

Well-Formed Example

Not Well-Formed Example

Scenario: Comparison Shopping

Scenario: Company Merger

Document Type Definition

DTDs are “a good thing”

Well-Formed vs. Valid

Hello in XML

Writing Valid XML

Exercise: Informal DTD for a newspaper story.

What about

Where we are now ...

Author: Charlie Viles

Email: viles@ils.unc.edu

Home Page: http://ils.unc.edu/viles/181/