Route ONE chunk against ONE (ROUTE-matched) article's sections. Runs the M×N
grid's N binary calls for this article; if every section says no and the chunk
is substantive, runs the CREATE-NEW-SECTION sub-task. Returns the matched
existing anchors and/or a named new section. Pure w.r.t. disk.
Route ONE chunk against ONE (ROUTE-matched) article's sections. Runs the M×N grid's N binary calls for this article; if every section says no and the chunk is substantive, runs the CREATE-NEW-SECTION sub-task. Returns the matched existing anchors and/or a named new section. Pure w.r.t. disk.