Hi John. "Markers" has own font settings, and I think that it is independent of setting the whole drawing. For me "Markers" remember the last font modification . After restarting the program, I see that font in the "Markers" is so, like it remained at the closing of the program.
TC Pro 2016, TC Pro 2018, TC Plat 2019
Laptop Asus i7 6500U, dual-core 2,50GHz, NVIDIA GeForce GTX 950M, RAM 12 GB, SSD 480GB
Windows 10 64 bit