Solution : https://service.sap.com/sap/support/notes/584754 (SAP Service marketplace login required)
Key words :
edit -> modification operations -> deactivate assistant, 1c import bw support package 22, 0b import bw support package 09, 1 content import bw support package 03, standard abap editor se38, transaction adds additional comments, modification assistant inserts comments, import bw support package 30, 1c support package 22, 0b support package 30
Related Notes :
| 571720 | SAPBWNews BW 3.1 Content Support Package 09 |