\enabletrackers[math.openedup]

\starttext

    \dorecurse{10}{\dorecurse{#1}{whatever }}

    \startitemize[packed]
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
    \stopitemize
    \startitemize[packed,columns]
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
    \stopitemize

    \dorecurse{5}{\dorecurse{#1}{whatever }\openedupimath{\frac{1}{2}} }

    \startitemize[packed,columns]
        \startitem whatever \openedupimath{1+2} whatever
        \startitem whatever \openedupimath{1+2} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{1+2} whatever
        \startitem whatever \openedupimath{1+2} whatever
    \stopitemize

    \dorecurse{5}{\dorecurse{#1}{whatever }\openedupimath{1+2} }

    \startitemize[packed]
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
        \startitem whatever \openedupimath{\frac{1}{2}} whatever
    \stopitemize

    \dorecurse{10}{whatever }
    \dorecurse {5}{\dorecurse{#1}{whatever }\openedupimath{\frac{1}{2}} }
    \dorecurse{10}{whatever }

\stoptext
