FacsimileMarkup

Introduction
The Facsimile task force / SIG is about markup of facsimile images with correspondence to parts of the text.

Conal is going to produce some quick samples.

Tasks

 * 1) collate existing markup, including simple pb/@url style markup at one extreme and METS at the other
 * 2) develop straw man facsimile modules:
 * 3) a high-end markup:
 * 4) list of facsimile images,
 * 5) each image linked to a locations in the text by a typed link (e.g. thumbnail, display...)
 * 6) see METS structure map
 * 7) link between text and fragments within an image? (e.g. svg region) Requires another indirection
 * 8) a low-end markup: 
 * 9) other widely-used style of markup?
 * 10) use ODD filter system to map low-end to the high-end markup?