Hallo,
the following was ok with mkII:
% coding: utf-8
\def\B{\vphantom{\bigg)}}
\setupbodyfont[11pt,sans]
\starttext
\startitemize[a,columns,three,joinedup][grid=no,width=8mm,right=)]
\item $\B 5b\cdot (3a+4b-5c)$
\item $\B 3xy\cdot (2x-6y-xy)$
\item $\B (-0{,}5x)\cdot (3y-5x)$
\item $\B (2z-3x+5)\cdot (0{,}5z+x)$
\item $\B 8ac\cdot 3\frac{1}{4}ax$
\item $\B 2\frac{1}{2}ab\cdot 6ax$
\item $\B \frac{2}{3}ax\cdot 1\frac{1}{2}by$
\item $\B 7\frac{1}{2}ay\cdot 1\frac{3}{5}ax$
\item $\B (+4ab)\cdot (-15xy)$
\stopitemize
\stoptext
now with LuaTeX I get very large vertical distances. Much more then
\bigg(. Why is this?
Wolfgang
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