element coordinate

diagram
properties	content  complex
used by	element  entities
attributes	Name   Type   Use   Default   Fixed   annotation m11 xs:float optional   1      m12 xs:float optional   0      m21 xs:float optional   0      m22 xs:float optional   1      dx xs:float optional   0      dy xs:float optional   0      layer xs:int optional   0      documentation The layer the coordinate in on. at point required         documentation The location of the coordinate.
annotation	documentation A graphical coordinate. This is a point that shows it's location on the page.

attribute coordinate/@layer

type	xs:int
properties	isRef  0 default  0 use  optional
annotation	documentation The layer the coordinate in on.

attribute coordinate/@at

type	point
properties	isRef  0 use  required
facets	pattern  [-]*[0-9.]+,[-]*[0-9.]+
annotation	documentation The location of the coordinate.