command = subst(command, "$$i", quoteName(from.toFilesystemEncoding()));
command = subst(command, "$$o", quoteName(to.toFilesystemEncoding()));
command = subst(command, "$$l", quoteName(latex));
command = subst(command, "$$i", quoteName(from.toFilesystemEncoding()));
command = subst(command, "$$o", quoteName(to.toFilesystemEncoding()));
command = subst(command, "$$l", quoteName(latex));