How to have favicon / icon set when bookmarklet dragged to toolbar?

Question

I\'ve made myself a bookmarklet, and it functions just fine, but when added to a toolbar in Opera or Firefox, it just takes on the default bookmark icon for the browser (a g

Answer 1

So, this is not a full solution yet, but may be a step to a working direction.

data: encoding of an icon in a data:-uri encoded html works, to my surprise.

data:text/html;charset=utf-8,  Separator Tab

Since this is , we can run