in Calc, select Format/Page. When either Header or Footer/Edit is selected, cannot type into the boxes, or delete the existing content. Occurs with new spreadsheet or one containing data.
Withdrawn - working in version 7.1.2.2
I change the status of the bug report, because the user Graeme Gemmill wrote an additional comment that the tank is removed and is not reproduced in in version 7.1.2.2