# Introduction to XSL

## Overview

- 1.Intro
- 2.History
- 3.XSL Basics
- Lunch
- 4.An XML Data Model
- 5.XSL Patterns
- 6.XSL Templates
- 7.XSL Formatting Model

## Intro

- Who am I?
- Who are you?
- Why are we here?

## History: XML and SGML

- XML is a subset of SGML.
- SGML allows the separation of abstract content from formatting.
- Also one of XML's primary virtues (in the doc publishing domain).

## History: What are stylesheets?

- Stylesheets specify the formatting of SGML/XML documents.
- Stylesheets put the "style" back into documents.
- New York Times content+NYT Stylesheet = NYT paper

## History: FOSI

- FOSI: "Formatted Output Specification Instance"
  - MIL-STD-28001
  - FOSI's are SGML documents
  - A stylesheet for another document
- Obsolete but implemented...