23. mekso selma'o summary

   BOI elidable terminator for numerals
        and lerfu strings
    BY  lerfu for variables and functions
        (see Chapter 17)
    FUhA    reverse-Polish flag
    GOhA    includes ``du'' (mathematical equality)
        and other non-mekso cmavo
    JOhI    array flag
    KUhE    elidable terminator for forethought mekso
    LI  mekso articles (li and me'o)
    MAhO    make operand into operator
    MOI creates mekso selbri
        (moi, mei, si'e, and cu'o, see Section 11)
    MOhE    make sumti into operand
    NAhU    make selbri into operator
    NIhE    make selbri into operand
    NUhA    make operator into selbri
    PA  numbers (see Section 25)
    PEhO    optional forethought mekso marker
    TEhU    elidable terminator for
        NAhU, NIhE, MOhE, MAhO, and JOhI
    VEI left parenthesis
    VEhO    right parenthesis
    VUhU    operators (see Section 24)
    XI  subscript flag