Context menu on the entries (correction by groups)

Make the following settings in the context menu of the entries:

Aggiungi riga	Adds a new row at end of the table.
Elimina righe	Deletes the selected rows.
Trasferisci correzione	Applies the set correction value to the NP values to which this correction entry is assigned to. With it, the correction value will be set to 0 (zero).
Copia	Copies the selected rows.
Incolla contenuti	Pastes the copied content.
Incolla come nuova riga	Pastes the copied content as new rows.