In article <[🔎] patrik-990829142109.A0128697@pedgr634.sn.umu.se>,
patrik@pedgr634.sn.umu.se (Patrik Magnusson) writes:
> ! LaTeX Error: Command \Diamond not provided in base LaTeX2e.
Hmm, there is something annoyingly magical about this list:
Whenever I write to it the answer sits staring in my face
ten seconds later.
All I needed was \usepackage{latexsym}.
/Patrik