\long\def\symbolfootnote[#1]#2{\begingroup%
\def\thefootnote{\fnsymbol{footnote}}\footnote[#1]{#2}\endgroup}
+% put a period after the section numbers
+\setsecnumformat{\csname the#1\endcsname.\enspace}
+
% >> article-1 <<
\makechapterstyle{article-1}{
\renewcommand{\rmdefault}{ugm}
% (a) comment out the above stanza; (b) uncomment the one below
% \maxsecnumdepth{subsection}
% \setsecnumdepth{subsection}
- % \setsecnumformat{\csname the#1\endcsname. }
% reduce skip after section heading
\setaftersecskip{1.7ex}