calculation of tab controls not possible if name is already given
Operating system version
OS X 10.9
Description of the issue
If you have a tab control with some tabs with a given name,
it is not possible to change a tab with a given name into a calculated name.
Steps to reproduce the problem
double-click on a tab-control in layout mode. - Editor window opens.
Enter a calculation for a tab-control that has already a given name.
close tab control editor window.
open the editor window again:
the calculation is gone and the previous name is back.
the name of the tab-control should be calculated by now
calculation is gone and name is coming back.
This did never word since the beginning of FMP 13.
create a new tab control and enter the calculation.
move the objects from the named tab to the new tab.
delete old tab control.
enter object name of old tab to new calculated tab.