[jQuery] New Plugin: jQEm - Interact with the base 'em' unit.

[jQuery] New Plugin: jQEm - Interact with the base 'em' unit.

Hello there, folks.
While working on the next release of jQMinMax[1] (coming soon) it became
apparent that I'd need to be notified when the user increased or
decreased the font size. I can imagine there are a number of situations
where this might come in handy, thus I give you jQEM.
The short version: it creates a 'jqem' event that is triggered globally
whenever a change in the value of 1em in the <body> is detected. This
way, you can use jQuery's built in event (bind/unbind) functions.
There are a few more features than that, so you may want to read the
rather hideous docs at the url below.
[1] http://davecardwell.co.uk/geekery/javascript/jquery/jqminmax/
[2] http://davecardwell.co.uk/geekery/javascript/jquery/jqem/0.1/
Any feedback, requests or suggestions would be fantastic.
Best wishes,
Dave Cardwell ~ http://davecardwell.co.uk/
P.S. Mr Edwards - I know you read this list, and just wanted to say a
quick thank you for 'packer'. It's a fantastic little tool.
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