Solution : https://service.sap.com/sap/support/notes/30157 (SAP Service marketplace login required)
Key words :
configuration menu 'purchasing - functions - output - texts', check table t165p 'copying options, additional key words omft, t165k 'copying options, table t165p/t165k, respective tables t166p, save long text, text overview screen, respective text type, 'copy text' button
Related Notes :
| 448814 | FAQ: Texts in purchasing |