Hauptstimme line

I cannot find the (Viennese) H symbol for a Hauptstimme line (e.g. to denote the most prominent instrument in an orchestral passage). Maybe I don’t know where to look?

I asked the same question some time ago and Daniel replied. You can find the thread here

Oh Tks, that’s very good!!
Meanwhile, I’ll raise some incantations for the “conductor” panel…