What do we Need?

Vector graphics

Resolution independent

Keeps "content" information

In line with earlier developments (GKS, PHIGS, PostScript, ...)

Textual encoding (too)

Let the client side interpret the content

Searchable

Easy to edit, add links, etc

Based on XML

Use a well-understood syntax

Can “inherit” functionalities from elsewhere

Can make use of XML aware software (implementations, editing, ...)

Integrates well with the rest of the Web