(Optionally) show parameter index number in plugin parameter lists

When using ReaScript to manipulate plugin parameters, it would be useful to see in the Reaper plugin parameters lists the index number of the plugin parameters so that one doesn't need to manually count in the lists etc... I mean for example this parameter list :

The attached .eel script is based on one that someone put together for me (sorry I cannot recall who). I added to it to try and make sense of the data available from interrogating a plug-in but as you can see some of it seems unused / mysterious. It reports on the first FX on the selected track. Remove the .txt extension first. And don't run it on FX with hundreds of parameters ;) --------------- Ah ha - it was spk77 (who else ;))

There is also this: