Oh, while I'm here: some special characters. The \\, \{ and \}
characters, to be precise. And their code equivalents, \c{\\},
-\i\c{\{}, \c{\}}.
+\i\c{\{}, \c{\}}. The ` and ' characters (grave and apostrophe)
+are special in some output formats.
\S{subhead} First subheading