Context menu on the entries (correction by groups)

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

Agregar línea	Adds a new row at end of the table.
Eliminar líneas	Deletes the selected rows.
Transferir corrección	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).
Copiar	Copies the selected rows.
Pegar contenido	Pastes the copied content.
Pegar como nueva línea	Pastes the copied content as new rows.