collapseos/blk/295

        ( DE contains prev offset )
        HL POP, ( <-- lvl 2 )
        ( HL is prev field's addr. Is offset zero? )
        DEZ,
        IFNZ,
            ( get absolute addr from offset )
            ( carry cleared from "or e" )
            DE SBCHLd,
            EXDEHL, ( result in DE )
        THEN,
        HL POP, ( <-- lvl 1 )
    JRNZ, AGAIN, ( inner-B292, try to match again )
    ( Z set? end of dict, unset Z )


                                                      ( cont. )