one can easily miss the linked examples, here are the links from the GTFL page: http://www.martin-loetzsch.de/gtfl/application-example-1/ http://www.martin-loe

one can easily miss the linked examples, here are the links from the GTFL page: http://www.martin-loetzsch.de/gtfl/application-example-1/ http://www.martin-loetzsch.de/gtfl/application-example-1/ http://www.martin-loetzsch.de/gtfl/application-example-2/ http://www.martin-loetzsch.de/gtfl/application-example-2/