Though this issue has appeared periodically over the years, this minimal example still does not work. Compiled with ConTeXt version: 2017.12.20 10:48. 

Any suggestions?

Cheers,

Michael

\starttext

\setuptabulate[split=yes,header=repeat]

\starttabulatehead

  \HL

  \NC {\bf format char} \NC {\bf meaning} \NC \AR

  \HL

\stoptabulatehead

\starttabulate[|r|l|]

        \dorecurse{50}

    {\NC c \NC centered      \NC \AR

    \NC l \NC left aligned  \NC \AR

    \NC r \NC right aligned \NC \AR}

\stoptabulate

\stoptext