%% plain pTeX
\tracingonline1
\showboxdepth10000
\showboxbreadth10000

\def\ADJUST{\ybaselineshift3pt\relax}

% disp_node should not create JFM glue
\setbox0=\vbox{%
\ADJUST
\noindent 「あA\par
\noindent 「あA」\par
\noindent 「あA\par
\noindent いEお（）\par
\noindent ・えE\par
\noindent ・うE}\showbox0 \box0

% disp_node should not create JFM glue
\ybaselineshift2pt
\xkanjiskip2pt
\setbox6=\vbox{あA\hbox{（あ）}A\par}\showbox6 \box6

\end
