Yeah, I don’t think the \\ell thing is supposed to work in PDFs unfortunately, see the latest replies at \ell symbol in PDF and \ell symbol in TH1 axis.
For the PNG, try replacing all # with \\.
Yeah, I don’t think the \\ell thing is supposed to work in PDFs unfortunately, see the latest replies at \ell symbol in PDF and \ell symbol in TH1 axis.
For the PNG, try replacing all # with \\.