1 Introduction

2 Variables and kinematics

3 The Experimental Situation

4 Data comparison

5 The proton data

6 The data for positive pions

7 The data for negative pions

8 The π+/π- ratio

9 Data sets not used in the global interpolation

10 The separation of target fragmentation and intra-nuclear component for pion production at SPS energy

11 Conclusion