texmath-0.13.3.4: test/writer/starmath/028_nested_function_with_left_delimiter_spacing.test
<<< tex
P_{\text{ch}, k}=\max\!\left(0,\min\!\left(P'_{\text{pv}, k},\,P^{\text{cap}}_{\text{ch}},\,P_{\text{ch,head}, k}\right)\right).
>>> starmath
P_{"ch", k} = func max left ( 0, func min left ( P_{"pv", k}', P_"ch"^"cap", P_{"ch,head", k} right ) right ).