To build, run ./build.sh or:

    ../../builder/build.py Widgets.py

and then open output/Widgets.html in a web browser.

The Analog Clock PNG comes from the Superkaramba KClock theme, by linuxbob,
and is GPL'd.  http://kde-look.org/content/show.php/KClock?content=66205

... so that makes this example licensed under the GPL.

