6. The process of claim 1 , wherein the second filter divides the normalized text into a plurality of pieces and selects one anchoring point per piece.
6. The process of claim 1 , wherein the second filter divides the normalized text into a plurality of pieces and selects one anchoring point per piece. 8. The process of claim 6 , wherein if there are multiple candidate anchoring points in a single piece, then the candidate anchoring point closest to the centre of that piece is chosen to be the anchoring point for that piece.