This question led to a new package: spath3 (Technically, this question led to a subpackage of the spath3 package; the spath3 package provides some foundations on which a TikZ library ...
Books often have a special letter (often spanning two lines) at the beginning of chapters. How can I create this in LaTeX?
I want to write the power set of a set S as 2^S. But the 2 should be kind of calligraphic. I tried cal and mathcal but they do not work with numbers. Has anybody an idea?
I'm currently using the rsfs letters for caligriphic symbols. However, there is no corresponding lowercase alphabet, so I have begun to experiment with others. Is there a way that I can make it so ...