waggly-uml supports linking

You're now able to define links within your UML definition. So when you have a class-definition like

[Person||+getName():String {bg:cornsilk}]

which contains an additional background-color definition you're able to include a link within the additions block i.e.:

[Person||+getName():String {bg:cornsilk;link:http://www.wuml.it/class/[Address]}]

Self-contained SVG output

Now as all bugs seem to be fixed with xml-parsing and -creating I finally can issue release 0.1.2 which produces self contained SVG graphics