2.1.994 Section Appendix E.1, Title, Description and Caption of Graphical Elements
a.
The <svg:title> element is not supported.
The draw:caption-id attribute is not supported since Word 2007 does not treat "caption text" differently from other paragraph text via any special association.
The <svg:desc> element is supported and holds the alternative text for the image.
This is supported for the following elements:
<draw:rect>
<draw:line>
<draw:polyline>
<draw:polygon>
<draw:regular-polygon>
<draw:path>
<draw:circle>
<draw:ellipse>
<draw:connector>
<draw:caption>
<draw:measure>
<draw:g>
<draw:frame>
<draw:custom-shape>
b. This is supported for the following elements:
<draw:rect>
<draw:line>
<draw:polyline>
<draw:polygon>
<draw:regular-polygon>
<draw:path>
<draw:circle>
<draw:ellipse>
<draw:connector>
<draw:caption>
<draw:measure>
<draw:g>
<draw:frame>
<draw:custom-shape>
c. This is supported for any of the following elements:
<draw:rect>
<draw:line>
<draw:polyline>
<draw:polygon>
<draw:regular-polygon>
<draw:path>
<draw:circle>
<draw:ellipse>
<draw:connector>
<draw:caption>
<draw:measure>
<draw:g>
<draw:frame>
<draw:custom-shape>