using Plots
plot(1,1, title="ρ")
gives
It turns out to be a problem with unicode, and can be worked around with LaTeX input.
plot(1,1, title="\\rho")
using Plots
plot(1,1, title="ρ")
gives
It turns out to be a problem with unicode, and can be worked around with LaTeX input.
plot(1,1, title="\\rho")