1. Have a global macro "{$A}", but don't have a global macro "{$B}";
1. create host or edit existing;
2. navigate to Macros tab;
4. type a macros "{$A}" and "{$B}" notice the indicator now changed to "2";
5. click "Inherited and host macros";
6. press the small "Add" button and notice that indicator now changed to "1";

It only counts the "{$B}" macro. Indicator should display the amount of macros made on host.