-- Return any intersection of the region from State.selection1 to State.cursor1 (or
-- current mouse, if mouse is pressed; or recent mouse if mouse is pressed and
-- currently over a drawing) with the region between {line=line_index, pos=apos}
-- and {line=line_index, pos=bpos}.

-- Return any intersection of the region from State.selection1 to
-- State.cursor1 (or current mouse, if mouse is pressed) with the region
-- between {line=line_index, pos=apos} and {line=line_index, pos=bpos}.

-- Creates text objects every time, so use this sparingly.