digraph princip {+− rankdir=LR+− +− gen [label="Generátor" shape="box" labelURL="xxxxxxxx"]+− xml [label="Texty v XML"]+− xhtml [label="XHTML web"]+− xslt [label="XSLT šablona"]+− +− xml -> gen -> xhtml;+− xslt -> gen;+− }+−