texmath-0.13.2: test/writer/starmath/001_dot_text_subscript.test
<<< tex
\dot{Q}_{\text{dem}}(t)=\dot{Q}_{\text{eb}}(t)+\dot{Q}_{\text{dis}}(t)+\dot{Q}_{\text{boil}}(t),
>>> starmath
{dot Q}_"dem"(t) = {dot Q}_"eb"(t) + {dot Q}_"dis"(t) + {dot Q}_"boil"(t),