* technology issues
- dia can export to svg, and it looks ok in inkscape
- docbook figures in svg export to pdf
- svg export html seems to just use the text alternative. Investigating...
- http://book.huihoo.com/docbook-xsl-the-complete-guide/SVGimages.html
  this link shows how to give alternate formats for html
- the following dtrt with dblatex and dia/install.svg existing
      <figure id="blargh" float="1">
	<title>install maintscript.</title>
	<mediaobject>
	  <imageobject><imagedata fileref="dia/install"/></imageobject>
	</mediaobject>
      </figure>