Change of documents as change of screens

If we want, that slave table B (available via virtual column of table A) appears in separate browser window not single, but together with some other tables C and D, which are master for it, than we must construct html-document with three elements dialogue for tables B, C and D, and specify document name as name of property of virtual column (value of property - is names of previous documents, and can absent).

dialogue[roll=A] a§20::after {
 "K.htm":   "G.htm" "H.htm";
 "L.htm":   "G.htm" "N.htm";
 "M.htm":   "P.htm";
  cultivate: B;
  to:        b5
}

Dmitry Turin