Solution : https://service.sap.com/sap/support/notes/628346 (SAP Service marketplace login required)
Key words :
basis -> basis-services / communications interface, enable additional formatting types, text objects ekko, bc-srv-scr, important formatting options, line break reason, standard form system, print form defining, formatting types, font types
Related Notes :
| 448814 | FAQ: Texts in purchasing |
| 372606 | ME21N: Text formatting |