// st.df // S B structure SB: [ cch byte ch↑0,255 byte ] manifest [ cchmaxsb = 256; cwmaxsb = cchmaxsb / 2 + 1; ] // S T structure ST: [ blank word cch word pp word sb word last word ] manifest [ lnst = (offset ST.last) / 16; ] // S L structure SL: [ cch word ch↑0,10000 byte ] manifest [ sbnil = 0; asbnil = 0; cpnil = -1; ]