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These examples work flawlessly in the Opera web browser. They also work to some extent in Opera Mobile 11 and WebKit browsers (Safari and Chrome) and recent versions of Gecko browers (Firefox). A hardcoded call stack size limit still causes some problems.

How it works: a JavaScript translation of the Haskell PGF run-time library is downloaded and run in the browser. The binary PGF files are downloaded from the server, parsed and used in the normal way by functions in the PGF library. The brower is directed to keep a local copy of everything, so that you can have access to the minibar even when you are offline.